Ah I still had a bug, not pointing to the correct keytab_file. Also discussed here https://github.com/edenhill/librdkafka/issues/1630 and here https://github.com/cyrusimap/cyrus-sasl/issues/501 It now hangs at an GSSAPI step 1.
``` Using python-kafka: ('0.11.0', 720896) and librdkafka ('0.11.1-109-g6f0750', 721407) %7|1516023480.330|SASL|rdkafka#consumer-1| [thrd:app]: Selected provider Cyrus for SASL mechanism GSSAPI %7|1516023480.330|MEMBERID|rdkafka#consumer-1| [thrd:app]: Group "user-cctv_python_rhel": updating member id "(not-set)" -> "" %7|1516023480.332|BRKREASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" management reassigned from broker (none) to :0/internal %7|1516023480.332|CGRPSTATE|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" changed state init -> wait-broker (v1, join-state init) %7|1516023480.332|BRKASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" management assigned to broker :0/internal %7|1516023480.332|CGRPOP|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" received op SUBSCRIBE (v0) in state wait-broker (join state init, v1 vs 0) %7|1516023480.332|SUBSCRIBE|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": subscribe to new subscription of 1 topics (join state init) %7|1516023480.332|UNSUBSCRIBE|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": unsubscribe from current unset subscription of 0 topics (leave group=no, join state init, v1) %7|1516023480.332|GRPLEADER|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": resetting group leader info: unsubscribe %7|1516023480.332|CGRPJOINSTATE|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" changed join state init -> wait-unassign (v1, state wait-broker) %7|1516023480.332|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": unassign done in state wait-broker (join state wait-unassign): without new assignment: unassign (no previous assignment) %7|1516023480.332|CGRPJOINSTATE|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" changed join state wait-unassign -> init (v1, state wait-broker) %7|1516023480.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": no broker available for coordinator query: intervaled in state wait-broker %7|1516023480.385|CONNECTED|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Connected (#1) %7|1516023480.385|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023480.385|CONNECTED|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Connected (#1) %7|1516023480.385|FEATURE|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Updated enabled protocol features +ApiVersion to ApiVersion %3|1516023480.385|FAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: Connect to ipv4#XXX.XXX.XXX.237:9092 failed: Connection refused %3|1516023480.385|ERROR|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: Connect to ipv4#XXX.XXX.XXX.237:9092 failed: Connection refused %7|1516023480.385|FEATURE|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Updated enabled protocol features +ApiVersion to ApiVersion %7|1516023480.385|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Sent ApiVersionRequest (v0, 25 bytes @ 0, CorrId 1) %7|1516023480.385|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Sent ApiVersionRequest (v0, 25 bytes @ 0, CorrId 1) %7|1516023480.433|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Received ApiVersionResponse (v0, 132 bytes, CorrId 1, rtt 47.80ms) %7|1516023480.433|AUTH|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Auth in state APIVERSION_QUERY (handshake supported) %7|1516023480.433|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Received ApiVersionResponse (v0, 132 bytes, CorrId 1, rtt 47.92ms) %7|1516023480.433|AUTH|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Auth in state APIVERSION_QUERY (handshake supported) %7|1516023480.433|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Sent SaslHandshakeRequest (v0, 29 bytes @ 0, CorrId 2) %7|1516023480.433|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Sent SaslHandshakeRequest (v0, 29 bytes @ 0, CorrId 2) %7|1516023480.481|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Received SaslHandshakeResponse (v0, 14 bytes, CorrId 2, rtt 47.78ms) %7|1516023480.481|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Received SaslHandshakeResponse (v0, 14 bytes, CorrId 2, rtt 47.75ms) %7|1516023480.481|SASLMECHS|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Broker supported SASL mechanisms: GSSAPI %7|1516023480.481|AUTH|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Auth in state AUTH_HANDSHAKE (handshake supported) %7|1516023480.481|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Initializing SASL client: service name kafka, hostname host2, mechanisms GSSAPI, provider Cyrus %7|1516023480.481|SASLREFRESH|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: Refreshing SASL keys with command: KRB5_TRACE=/dev/stdout kinit -kt /root/user.keytab user@PRINCIPAL %7|1516023480.481|SASLMECHS|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Broker supported SASL mechanisms: GSSAPI %7|1516023480.481|AUTH|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Auth in state AUTH_HANDSHAKE (handshake supported) %7|1516023480.481|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Initializing SASL client: service name kafka, hostname host3, mechanisms GSSAPI, provider Cyrus %7|1516023480.481|SASLREFRESH|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Refreshing SASL keys with command: KRB5_TRACE=/dev/stdout kinit -kt /root/user.keytab user@PRINCIPAL [24032] 1516023480.505296: Getting initial credentials for user@PRINCIPAL [24032] 1516023480.511157: Looked up etypes in keytab: aes256-cts, rc4-hmac, des3-cbc-sha1, des-cbc-crc [24032] 1516023480.511341: Sending request (176 bytes) to PRINCIPAL [24032] 1516023480.511883: Resolving hostname XXX.XXX.XXX.168 [24032] 1516023480.512229: Sending initial UDP request to dgram XXX.XXX.XXX.168:88 [24032] 1516023480.560726: Received answer (327 bytes) from dgram XXX.XXX.XXX.168:88 [24032] 1516023480.560830: Response was not from master KDC [24032] 1516023480.560927: Received error from KDC: -1765328359/Additional pre-authentication required [24032] 1516023480.561108: Processing preauth types: 136, 19, 2, 133 [24032] 1516023480.561134: Selected etype info: etype aes256-cts, salt "PRINCIPALuser", params "" [24032] 1516023480.561145: Received cookie: MIT [24032] 1516023480.561298: Retrieving user@PRINCIPAL from FILE:/root/user.keytab (vno 0, enctype aes256-cts) with result: 0/Success [24032] 1516023480.561357: AS key obtained for encrypted timestamp: aes256-cts/114F [24032] 1516023480.561566: Encrypted timestamp (for 1516023524.856095): plain 301AA011180xxxxxxxxxx, encrypted C9AF43C25442F3xxxxxxxxxx [24032] 1516023480.561754: Preauth module encrypted_timestamp (2) (real) returned: 0/Success [24032] 1516023480.561766: Produced preauth for next request: 133, 2 [24032] 1516023480.561811: Sending request (271 bytes) to PRINCIPAL [24032] 1516023480.561861: Resolving hostname XXX.XXX.XXX.168 [24032] 1516023480.562076: Sending initial UDP request to dgram XXX.XXX.XXX.168:88 [24032] 1516023480.662874: Received answer (765 bytes) from dgram XXX.XXX.XXX.168:88 [24032] 1516023480.663083: Response was not from master KDC [24032] 1516023480.663143: Processing preauth types: 19 [24032] 1516023480.663161: Selected etype info: etype aes256-cts, salt "PRINCIPALuser", params "" [24032] 1516023480.663175: Produced preauth for next request: (empty) [24032] 1516023480.663195: AS key determined by preauth: aes256-cts/114F [24032] 1516023480.663319: Decrypted AS reply; session key is: aes256-cts/38D6 [24032] 1516023480.663361: FAST negotiation: available [24032] 1516023480.663411: Initializing FILE:/tmp/krb5cc_0 with default princ user@PRINCIPAL [24032] 1516023480.664114: Storing user@PRINCIPAL -> krbtgt/PRINCIPAL@PRINCIPAL in FILE:/tmp/krb5cc_0 [24032] 1516023480.664252: Storing config in FILE:/tmp/krb5cc_0 for krbtgt/PRINCIPAL@PRINCIPAL: fast_avail: yes [24032] 1516023480.664332: Storing user@PRINCIPAL -> krb5_ccache_conf_data/fast_avail/krbtgt\/PRINCIPAL\@PRINCIPAL@X-CACHECONF: in FILE:/tmp/krb5cc_0 [24032] 1516023480.664402: Storing config in FILE:/tmp/krb5cc_0 for krbtgt/PRINCIPAL@PRINCIPAL: pa_type: 2 [24032] 1516023480.664459: Storing user@PRINCIPAL -> krb5_ccache_conf_data/pa_type/krbtgt\/PRINCIPAL\@PRINCIPAL@X-CACHECONF: in FILE:/tmp/krb5cc_0 %7|1516023480.665|SASLREFRESH|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: SASL key refreshed %7|1516023480.666|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: My supported SASL mechanisms: GS2-IAKERB GS2-KRB5 SCRAM-SHA-1 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL OTP CRAM-MD5 PLAIN ANONYMOUS %5|1516023480.667|LIBSASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host2:9092/bootstrap]: sasl_plaintext://host2:9092/bootstrap: GSSAPI client step 1 [24033] 1516023480.682361: Getting initial credentials for user@PRINCIPAL [24033] 1516023480.687733: Looked up etypes in keytab: aes256-cts, rc4-hmac, des3-cbc-sha1, des-cbc-crc [24033] 1516023480.687910: Sending request (176 bytes) to PRINCIPAL [24033] 1516023480.688224: Resolving hostname XXX.XXX.XXX.168 [24033] 1516023480.688563: Sending initial UDP request to dgram XXX.XXX.XXX.168:88 [24033] 1516023480.737062: Received answer (326 bytes) from dgram XXX.XXX.XXX.168:88 [24033] 1516023480.737149: Response was not from master KDC [24033] 1516023480.737245: Received error from KDC: -1765328359/Additional pre-authentication required [24033] 1516023480.737326: Processing preauth types: 136, 19, 2, 133 [24033] 1516023480.737346: Selected etype info: etype aes256-cts, salt "PRINCIPALuser", params "" [24033] 1516023480.737358: Received cookie: MIT [24033] 1516023480.737471: Retrieving user@PRINCIPAL from FILE:/root/user.keytab (vno 0, enctype aes256-cts) with result: 0/Success [24033] 1516023480.737518: AS key obtained for encrypted timestamp: aes256-cts/114F [24033] 1516023480.737640: Encrypted timestamp (for 1516023525.32174): plain 3019A01118xx, encrypted 32A7BD9DDA3xxx [24033] 1516023480.737665: Preauth module encrypted_timestamp (2) (real) returned: 0/Success [24033] 1516023480.737674: Produced preauth for next request: 133, 2 [24033] 1516023480.737705: Sending request (270 bytes) to PRINCIPAL [24033] 1516023480.737736: Resolving hostname XXX.XXX.XXX.168 [24033] 1516023480.737929: Sending initial UDP request to dgram XXX.XXX.XXX.168:88 [24033] 1516023480.830272: Received answer (765 bytes) from dgram XXX.XXX.XXX.168:88 [24033] 1516023480.830434: Response was not from master KDC [24033] 1516023480.830492: Processing preauth types: 19 [24033] 1516023480.830509: Selected etype info: etype aes256-cts, salt "PRINCIPALuser", params "" [24033] 1516023480.830523: Produced preauth for next request: (empty) [24033] 1516023480.830541: AS key determined by preauth: aes256-cts/114F [24033] 1516023480.830666: Decrypted AS reply; session key is: aes256-cts/05B5 [24033] 1516023480.830711: FAST negotiation: available [24033] 1516023480.830760: Initializing FILE:/tmp/krb5cc_0 with default princ user@PRINCIPAL [24033] 1516023480.831344: Storing user@PRINCIPAL -> krbtgt/PRINCIPAL@PRINCIPAL in FILE:/tmp/krb5cc_0 [24033] 1516023480.831551: Storing config in FILE:/tmp/krb5cc_0 for krbtgt/PRINCIPAL@PRINCIPAL: fast_avail: yes [24033] 1516023480.831636: Storing user@PRINCIPAL -> krb5_ccache_conf_data/fast_avail/krbtgt\/PRINCIPAL\@PRINCIPAL@X-CACHECONF: in FILE:/tmp/krb5cc_0 [24033] 1516023480.831708: Storing config in FILE:/tmp/krb5cc_0 for krbtgt/PRINCIPAL@PRINCIPAL: pa_type: 2 [24033] 1516023480.831766: Storing user@PRINCIPAL -> krb5_ccache_conf_data/pa_type/krbtgt\/PRINCIPAL\@PRINCIPAL@X-CACHECONF: in FILE:/tmp/krb5cc_0 %7|1516023480.832|SASLREFRESH|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: SASL key refreshed %7|1516023480.832|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: My supported SASL mechanisms: GS2-IAKERB GS2-KRB5 SCRAM-SHA-1 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL OTP CRAM-MD5 PLAIN ANONYMOUS %5|1516023480.832|LIBSASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: GSSAPI client step 1 %7|1516023480.894|LIBSASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: CB_CANON: flags 0x3, "user@PRINCIPAL" @ "(null)": returning "user@PRINCIPAL" %7|1516023480.894|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Selected SASL mechanism: GSSAPI (wanted GSSAPI) %7|1516023480.894|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Send SASL frame to broker (605 bytes) %7|1516023480.943|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Received SASL frame from broker (36 bytes) %5|1516023480.943|LIBSASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: GSSAPI client step 2 %7|1516023480.943|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Send SASL frame to broker (32 bytes) %7|1516023480.944|SASL|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Authenticated as user@PRINCIPAL using GSSAPI (gssapiv2) %7|1516023480.944|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Sent MetadataRequest (v2, 25 bytes @ 0, CorrId 3) %7|1516023481.076|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/bootstrap: Received MetadataResponse (v2, 80 bytes, CorrId 3, rtt 132.29ms) %7|1516023481.076|SUBSCRIPTION|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": no topics in metadata matched subscription %7|1516023481.076|BRKREASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" management reassigned from broker :0/internal to sasl_plaintext://host3:9092/bootstrap %7|1516023481.076|BRKUNASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" management unassigned from broker handle :0/internal %7|1516023481.076|BRKASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" management assigned to broker sasl_plaintext://host3:9092/bootstrap %7|1516023481.076|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/bootstrap: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023481.077|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 4) %7|1516023481.125|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 4, rtt 48.33ms) %7|1516023481.125|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023481.125|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel" changing coordinator -1 -> 2 %7|1516023481.435|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023482.331|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023482.331|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 5) %7|1516023482.379|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 5, rtt 48.04ms) %7|1516023482.379|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023482.483|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023483.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023483.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 6) %7|1516023483.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 6, rtt 47.82ms) %7|1516023483.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023483.531|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023484.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023484.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 7) %7|1516023484.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 7, rtt 47.90ms) %7|1516023484.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023484.579|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023485.330|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit internal error: Local: No offset stored %7|1516023485.330|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit for -1 partition(s): cgrp auto commit timer: returned: Local: No offset stored %7|1516023485.330|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": unassign done in state wait-broker (join state init): without new assignment: OffsetCommit done (__NO_OFFSET) %7|1516023485.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023485.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 8) %7|1516023485.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 8, rtt 47.95ms) %7|1516023485.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023485.627|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023486.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023486.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 9) %7|1516023486.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 9, rtt 48.03ms) %7|1516023486.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023486.675|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023487.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023487.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 10) %7|1516023487.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 10, rtt 47.92ms) %7|1516023487.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023487.723|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023488.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023488.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 11) %7|1516023488.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 11, rtt 47.85ms) %7|1516023488.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023488.770|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023489.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023489.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 12) %7|1516023489.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 12, rtt 48.05ms) %7|1516023489.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023489.818|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023490.330|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit internal error: Local: No offset stored %7|1516023490.331|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit for -1 partition(s): cgrp auto commit timer: returned: Local: No offset stored %7|1516023490.331|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": unassign done in state wait-broker (join state init): without new assignment: OffsetCommit done (__NO_OFFSET) %7|1516023490.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023490.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 13) %7|1516023490.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 13, rtt 47.85ms) %7|1516023490.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023490.866|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023491.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023491.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 14) %7|1516023491.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 14, rtt 47.97ms) %7|1516023491.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023491.913|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023492.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023492.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 15) %7|1516023492.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 15, rtt 48.20ms) %7|1516023492.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023492.961|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023493.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023493.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 16) %7|1516023493.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 16, rtt 47.94ms) %7|1516023493.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023494.009|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023494.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023494.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 17) %7|1516023494.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 17, rtt 48.04ms) %7|1516023494.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023495.056|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023495.331|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit internal error: Local: No offset stored %7|1516023495.331|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit for -1 partition(s): cgrp auto commit timer: returned: Local: No offset stored %7|1516023495.331|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group "user-cctv_python_rhel": unassign done in state wait-broker (join state init): without new assignment: OffsetCommit done (__NO_OFFSET) %7|1516023495.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023495.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 18) %7|1516023495.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 18, rtt 47.87ms) %7|1516023495.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 ^C%7|1516023496.105|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) ^C^C%7|1516023496.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023496.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 19) %7|1516023496.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 19, rtt 47.91ms) %7|1516023496.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 ^C%7|1516023497.152|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) %7|1516023497.332|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel": querying for coordinator: intervaled in state wait-broker %7|1516023497.332|SEND|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Sent GroupCoordinatorRequest (v0, 46 bytes @ 0, CorrId 20) %7|1516023497.380|RECV|rdkafka#consumer-1| [thrd:sasl_plaintext://host3:9092/bootstrap]: sasl_plaintext://host3:9092/3: Received GroupCoordinatorResponse (v0, 22 bytes, CorrId 20, rtt 47.98ms) %7|1516023497.380|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: sasl_plaintext://host3:9092/3: Group "user-cctv_python_rhel" coordinator is host2:9092 id 2 %7|1516023498.200|BROKERFAIL|rdkafka#consumer-1| [thrd:sasl_plaintext://host1:9092/bootstrap]: sasl_plaintext://host1:9092/bootstrap: failed: err: Local: Broker transport failure: (errno: Connection refused) Terminated ``` 2018-01-15 11:06 GMT+01:00 Marcel Gutsche <m...@marcelgutsche.de>: > Thanks for all the suggestions. > I got rid of the "-S kafka/host" part, which also removed the credential > not found error. But I still cannot connect to the KafkaServer using the > VM. Maybe someone of you knows if the following log relates to a finally > successful authorization, or if there is still something missing. > > ``` > %7|1516010149.485|SASL|rdkafka#consumer-1| [thrd:app]: Selected provider > Cyrus for SASL mechanism GSSAPI > %7|1516010149.485|MEMBERID|rdkafka#consumer-1| [thrd:app]: Group > "user_python_rhel": updating member id "(not-set)" -> "" > %7|1516010149.485|BRKREASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" management reassigned from broker (none) to :0/internal > %7|1516010149.485|CGRPSTATE|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" changed state init -> wait-broker (v1, join-state init) > %7|1516010149.485|BRKASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" management assigned to broker :0/internal > %7|1516010149.486|CGRPOP|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" received op SUBSCRIBE (v0) in state wait-broker (join > state init, v1 vs 0) > %7|1516010149.486|SUBSCRIBE|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": subscribe to new subscription of 1 topics (join state > init) > %7|1516010149.486|UNSUBSCRIBE|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": unsubscribe from current unset subscription of 0 topics > (leave group=no, join state init, v1) > %7|1516010149.486|GRPLEADER|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": resetting group leader info: unsubscribe > %7|1516010149.486|CGRPJOINSTATE|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" changed join state init -> wait-unassign (v1, state > wait-broker) > %7|1516010149.486|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": unassign done in state wait-broker (join state > wait-unassign): without new assignment: unassign (no previous assignment) > %7|1516010149.486|CGRPJOINSTATE|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" changed join state wait-unassign -> init (v1, state > wait-broker) > %7|1516010149.486|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": no broker available for coordinator query: intervaled > in state wait-broker > %3|1516010149.537|FAIL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host1:9092/bootstrap]: > sasl_plaintext://host1:9092/bootstrap: Connect to > ipv4#XXX.XXX.XXX.XXX:PPPP failed: Connection refused > %3|1516010149.537|ERROR|rdkafka#consumer-1| > [thrd:sasl_plaintext://host1:9092/bootstrap]: > sasl_plaintext://host1:9092/bootstrap: Connect to > ipv4#XXX.XXX.XXX.XXX:PPPP failed: Connection refused > %7|1516010149.585|AUTH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Auth in state APIVERSION_QUERY > (handshake supported) > %7|1516010149.585|AUTH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: Auth in state APIVERSION_QUERY > (handshake supported) > %7|1516010149.633|SASLMECHS|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > Broker supported SASL mechanisms: GSSAPI > %7|1516010149.634|AUTH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Auth in state AUTH_HANDSHAKE > (handshake supported) > %7|1516010149.634|SASLMECHS|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: > Broker supported SASL mechanisms: GSSAPI > %7|1516010149.634|AUTH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: Auth in state AUTH_HANDSHAKE > (handshake supported) > %7|1516010149.634|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: Initializing SASL client: service > name kafka, hostname host2, mechanisms GSSAPI, provider Cyrus > %7|1516010149.634|SASLREFRESH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: > Refreshing SASL keys with command: kinit -kt {} user@PRINCIPAL > %7|1516010149.634|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Initializing SASL client: service > name kafka, hostname host3, mechanisms GSSAPI, provider Cyrus > %7|1516010149.634|SASLREFRESH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > Refreshing SASL keys with command: kinit -kt {} user@PRINCIPAL > kinit: Pre-authentication failed: Key table file '{}' not found while > getting initial credentials > %3|1516010149.700|SASLREFRESH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: > SASL key refresh failed: kinit -kt {} user@PRINCIPAL: exited with code 1 > %7|1516010149.701|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: My supported SASL mechanisms: > GS2-IAKERB GS2-KRB5 SCRAM-SHA-1 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL OTP > CRAM-MD5 PLAIN ANONYMOUS > %5|1516010149.701|LIBSASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host2:9092/bootstrap]: > sasl_plaintext://host2:9092/bootstrap: > GSSAPI client step 1 > kinit: Pre-authentication failed: Key table file '{}' not found while > getting initial credentials > %3|1516010149.764|SASLREFRESH|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > SASL key refresh failed: kinit -kt {} user@PRINCIPAL: exited with code 1 > %7|1516010149.764|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: My supported SASL mechanisms: > GS2-IAKERB GS2-KRB5 SCRAM-SHA-1 GSSAPI GSS-SPNEGO DIGEST-MD5 EXTERNAL OTP > CRAM-MD5 PLAIN ANONYMOUS > %5|1516010149.764|LIBSASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > GSSAPI client step 1 > %7|1516010149.816|LIBSASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > CB_CANON: flags 0x3, "user@PRINCIPAL" @ "(null)": returning > "user@PRINCIPAL" > %7|1516010149.816|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Selected SASL mechanism: GSSAPI > (wanted GSSAPI) > %7|1516010149.816|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Send SASL frame to broker (624 > bytes) > %7|1516010149.865|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Received SASL frame from broker > (36 bytes) > %5|1516010149.865|LIBSASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: > GSSAPI client step 2 > %7|1516010149.865|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Send SASL frame to broker (32 > bytes) > %7|1516010149.865|SASL|rdkafka#consumer-1| > [thrd:sasl_plaintext://host3:9092/bootstrap]: > sasl_plaintext://host3:9092/bootstrap: Authenticated as user@PRINCIPAL > using GSSAPI (gssapiv2) > %7|1516010149.999|SUBSCRIPTION|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": no topics in metadata matched subscription > %7|1516010149.999|BRKREASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" management reassigned from broker :0/internal to > sasl_plaintext://host3:9092/3 > %7|1516010149.999|BRKUNASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" management unassigned from broker handle :0/internal > %7|1516010149.999|BRKASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" management assigned to broker > sasl_plaintext://host3:9092/3 > %7|1516010149.999|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010150.048|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010150.048|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel" changing coordinator -1 -> 2 > %7|1516010151.484|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010151.533|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010152.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010152.533|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010153.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010153.533|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010154.485|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit > internal error: Local: No offset stored > %7|1516010154.485|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit > for -1 partition(s): cgrp auto commit timer: returned: Local: No offset > stored > %7|1516010154.485|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": unassign done in state wait-broker (join state init): > without new assignment: OffsetCommit done (__NO_OFFSET) > %7|1516010154.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010154.533|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010155.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010155.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010156.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010156.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010157.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010157.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010158.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010158.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010159.485|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit > internal error: Local: No offset stored > %7|1516010159.485|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit > for -1 partition(s): cgrp auto commit timer: returned: Local: No offset > stored > %7|1516010159.485|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": unassign done in state wait-broker (join state init): > without new assignment: OffsetCommit done (__NO_OFFSET) > %7|1516010159.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010159.533|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010160.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010160.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010161.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010161.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > %7|1516010162.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010162.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > ^C^C%7|1516010163.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010163.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > ^C^C%7|1516010164.485|COMMIT|rdkafka#consumer-1| [thrd:main]: > OffsetCommit internal error: Local: No offset stored > %7|1516010164.485|COMMIT|rdkafka#consumer-1| [thrd:main]: OffsetCommit > for -1 partition(s): cgrp auto commit timer: returned: Local: No offset > stored > %7|1516010164.485|UNASSIGN|rdkafka#consumer-1| [thrd:main]: Group > "user_python_rhel": unassign done in state wait-broker (join state init): > without new assignment: OffsetCommit done (__NO_OFFSET) > %7|1516010164.485|CGRPQUERY|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel": querying for > coordinator: intervaled in state wait-broker > %7|1516010164.534|CGRPCOORD|rdkafka#consumer-1| [thrd:main]: > sasl_plaintext://host3:9092/3: Group "user_python_rhel" coordinator is > host2:9092 id 2 > ``` > > As you can see I am still stuck and waiting for the broker, but that might > be unrelated to the kerberos authorization process. To lift the confusion > about DNS and PRINCIPAL and hosts I also add my /etc/hosts and my krb5.conf > file: > > /etc/hosts > > ``` > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > ::1 localhost localhost.localdomain localhost6 > localhost6.localdomain6 > XXX.XXX.67.237 host1 > XXX.XXX.67.168 principal host2 PRINCIPAL > XXX.XXX.67.184 host3 > ``` > krb5.conf > ``` > [libdefaults] > default_realm = PRINCIPAL > dns_lookup_kdc = false > > > [realms] > KDDLAB.KRB.GR = { > kdc = XXX.XXX.67.168 > admin_server = XXX.XXX.67.168 > } > > [domain_realm] > > [logging] > kdc = SYSLOG:INFO > admin_server = FILE=/var/log/kadm5.log > > ``` > > 2018-01-14 9:43 GMT+01:00 Fabiano Tarlao <ftar...@gmail.com>: > >> I'm a newbie and had a similar issue, in order to find out the right >> principal for a service, I executed Wireshark on client or server node in a >> test env... Wireshark kerberos dissector works quite well and tuo can see >> details of requests, principals too. Perhaps this ke obvious but.. Not for >> me :-( >> >> Il 13 gen 2018 17:46, "Greg Hudson" <ghud...@mit.edu> ha scritto: >> >>> My best guess is that there is a disagreement between the server >>> principal name passed to kinit -S ("kafka/host") and the server >>> principal name chosen by SASL GSSAPI. At least, that's the most obvious >>> way I can find to get a "Matching credential not found" error message >>> from MIT krb5's GSSAPI library. It's hard for me to be sure since I'm >>> not seeing any krb5 trace logs resulting from the SASL operation, only >>> from the kinit operation. (I would expect to see at least trace logs >>> like "Getting credentials <clientprinc> -> <serverprinc> using ccache >>> <ccache>" and "Retrieving <clientprinc> -> <serverprinc> from <ccache> >>> with result: ...") >>> >>> If you can configure rdkafka to acquire a TGT from the keytab instead of >>> directly acquiring a service ticket (by removing "-S kafka/host" from >>> the kinit command line), you could verify that this is the problem and >>> to determine (using klist) what service ticket is acquired during >>> authentication. >>> >>> ________________________________________________ >>> Kerberos mailing list Kerberos@mit.edu >>> https://mailman.mit.edu/mailman/listinfo/kerberos >>> >> > ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos