Ryan Schmitt created HTTPCLIENT-2145:
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Summary: Inactive connection validation hangs on HTTP/2
connections after server sends GOAWAY
Key: HTTPCLIENT-2145
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2145
Project: HttpComponents HttpClient
Issue Type: Bug
Components: HttpClient (async)
Affects Versions: 5.0.3
Reporter: Ryan Schmitt
I've discovered that HTTP/2 inactive connection validation hangs forever if a
GOAWAY frame has previously been received on that connection. I've captured
DEBUG logs showing the effect of validating such a connection.
Without inactive connection validation:
{noformat}
01 Apr 2021 11:17:32,251 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalAbstractHttpAsyncClient:
ex-00000002: preparing request execution
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncProtocolExec: ex-00000002: target
auth state: UNCHALLENGED
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncProtocolExec: ex-00000002: proxy
auth state: UNCHALLENGED
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncConnectExec: ex-00000002: acquiring
connection with route {}->http://localhost:8000
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalHttpAsyncClient: ex-00000002:
acquiring endpoint (2500 MILLISECONDS)
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ex-00000002: endpoint lease request (2500 MILLISECONDS) [route:
{}->http://localhost:8000][total available: 1; route allocated: 1 of
2147483647; total allocated: 1 of 2147483647]
01 Apr 2021 11:17:32,252 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ex-00000002: endpoint leased [route: {}->http://localhost:8000][total
available: 0; route allocated: 1 of 2147483647; total allocated: 1 of
2147483647]
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ex-00000002: acquired ep-00000001
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.DefaultManagedAsyncClientConnection:
c-00000000: Shutdown connection IMMEDIATE
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalHttpAsyncClient: ex-00000002:
acquired endpoint ep-00000001
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalHttpAsyncClient: ep-00000001:
connecting endpoint (2500 MILLISECONDS)
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ep-00000001: connecting endpoint to http://localhost:8000 (2500 MILLISECONDS)
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.MultihomeIOSessionRequester:
http://localhost:8000: resolving remote address
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.MultihomeIOSessionRequester:
http://localhost:8000: resolved to [localhost/127.0.0.1,
localhost/0:0:0:0:0:0:0:1]
01 Apr 2021 11:17:32,253 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.MultihomeIOSessionRequester:
http://localhost:8000: connecting null to localhost/127.0.0.1:8000 (2500
MILLISECONDS)
01 Apr 2021 11:17:32,254 [DEBUG] (httpclient-dispatch-2)
org.apache.hc.client5.http.impl.nio.MultihomeIOSessionRequester:
http://localhost:8000: connected c-00000001
/127.0.0.1:50735->localhost/127.0.0.1:8000
01 Apr 2021 11:17:32,254 [DEBUG] (httpclient-dispatch-2)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ep-00000001: connected c-00000001
01 Apr 2021 11:17:32,254 [DEBUG] (httpclient-dispatch-2)
org.apache.hc.client5.http.impl.async.InternalHttpAsyncClient: ep-00000001:
endpoint connected
01 Apr 2021 11:17:32,254 [DEBUG] (httpclient-dispatch-2)
org.apache.hc.client5.http.impl.async.AsyncConnectExec: ex-00000002: connected
to target
01 Apr 2021 11:17:32,254 [DEBUG] (httpclient-dispatch-2)
org.apache.hc.client5.http.impl.async.AsyncConnectExec: ex-00000002: route
fully established{noformat}
With inactive connection validation:
{noformat}
01 Apr 2021 11:00:19,656 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalAbstractHttpAsyncClient:
ex-00000002: preparing request execution
01 Apr 2021 11:00:19,657 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncProtocolExec: ex-00000002: target
auth state: UNCHALLENGED
01 Apr 2021 11:00:19,657 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncProtocolExec: ex-00000002: proxy
auth state: UNCHALLENGED
01 Apr 2021 11:00:19,657 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.AsyncConnectExec: ex-00000002: acquiring
connection with route {}->http://localhost:8000
01 Apr 2021 11:00:19,657 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.async.InternalHttpAsyncClient: ex-00000002:
acquiring endpoint (2500 MILLISECONDS)
01 Apr 2021 11:00:19,657 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager:
ex-00000002: endpoint lease request (2500 MILLISECONDS) [route:
{}->http://localhost:8000][total available: 1; route allocated: 1 of
2147483647; total allocated: 1 of 2147483647]
01 Apr 2021 11:00:19,658 [DEBUG] (coral-client-orchestrator-19)
org.apache.hc.client5.http.impl.nio.DefaultManagedAsyncClientConnection:
c-00000000: PingCommand with IMMEDIATE priority
[ nothing happens ]
{noformat}
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