Hi, I'm running a 4 member riak cluster that failed today for unknown reasons. At a particular point in time, I noticed that the HTTP riak connector began refusing connections to my client
java.lang.RuntimeException: com.basho.riak.client.RiakRetryFailedException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: *Connection to http://localhost:XXXX refused* I initiated a start command on all clusters just in case some of them were down. Cluster 1 (main) and cluster 4 accepted the start command. The others maintained that they were already running. After the system was back up I began my hunt for error / crash reports and found nothing substantial. The error.log file on cluster 1 contained this 2012-12-06 08:44:35.322 [error] <0.15539.62> gen_fsm <0.15539.62> in state wait_pipeline_shutdown terminated with reason: *{sink_died,normal}* 2012-12-06 08:44:35.423 [error] <0.15539.62> CRASH REPORT Process <0.15539.62> with 0 neighbours crashed with reason: {sink_died,normal} 2012-12-06 08:44:35.428 [error] <0.164.0> Supervisor riak_pipe_builder_sup had child undefined started with {riak_pipe_builder,start_link,undefined} at <0.15539.62> exit with reason {sink_died,normal} in context child_terminated However I believe this error is normal, as mentioned here - http://riak-users.197444.n3.nabble.com/Safe-to-ignore-a-sink-died-normal-error-td3824989.html I ran riaknostic on the failed cluster through the 'riak-admin diag' command and it did not find any crash reports either. I'm running riak-1.1.4. Do you have any pointers / advise that I could use ? Any help is appreciated. Thank you -Deepak
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