Evgenii Zhuravlev created IGNITE-12032: ------------------------------------------
Summary: Server node prints exception when ODBC driver disconnects Key: IGNITE-12032 URL: https://issues.apache.org/jira/browse/IGNITE-12032 Project: Ignite Issue Type: Bug Components: odbc Affects Versions: 2.7.5 Reporter: Evgenii Zhuravlev Whenever a process using ODBC clients is finished, it's printing in the node logs this exception: {code:java} *[07:45:19,559][SEVERE][grid-nio-worker-client-listener-1-#30][ClientListenerProcessor] Failed to process selector key [s es=GridSelectorNioSessionImpl [worker=ByteBufferNioClientWorker [readBuf=java.nio.HeapByteBuffer[pos=0 lim=8192 cap=8192 ], super=AbstractNioClientWorker [idx=1, bytesRcvd=0, bytesSent=0, bytesRcvd0=0, bytesSent0=0, select=true, super=GridWo rker [name=grid-nio-worker-client-listener-1, igniteInstanceName=null, finished=false, heartbeatTs=1564289118230, hashCo de=1829856117, interrupted=false, runner=grid-nio-worker-client-listener-1-#30]]], writeBuf=null, readBuf=null, inRecove ry=null, outRecovery=null, super=GridNioSessionImpl [locAddr=/0:0:0:0:0:0:0:1:10800, rmtAddr=/0:0:0:0:0:0:0:1:63697, cre ateTime=1564289116225, closeTime=0, bytesSent=1346, bytesRcvd=588, bytesSent0=0, bytesRcvd0=0, sndSchedTime=156428911623 5, lastSndTime=1564289116235, lastRcvTime=1564289116235, readsPaused=false, filterChain=FilterChain[filters=[GridNioAsyn cNotifyFilter, GridNioCodecFilter [parser=ClientListenerBufferedParser, directMode=false]], accepted=true, markedForClos e=false]]] java.io.IOException: An existing connection was forcibly closed by the remote host at sun.nio.ch.SocketDispatcher.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:197) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at org.apache.ignite.internal.util.nio.GridNioServer$ByteBufferNioClientWorker.processRead(GridNioServer.java:11 04) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.processSelectedKeysOptimized(GridNi oServer.java:2389) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.bodyInternal(GridNioServer.java:215 6) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.body(GridNioServer.java:1797) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at java.lang.Thread.run(Thread.java:748)* {code} It's absolutely normal behavior when ODBC client disconnects from the node, so, we shouldn't print exception in the log. We should replace it with something like INFO message about ODBC client disconnection. Thread from user list: http://apache-ignite-users.70518.x6.nabble.com/exceptions-in-Ignite-node-when-a-thin-client-process-ends-td28970.html -- This message was sent by Atlassian JIRA (v7.6.14#76016)