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From Matan Levy <matanlev...@gmail.com>
Subject exceptions in Ignite node when a thin client process ends
Date Thu, 01 Aug 2019 06:33:21 GMT
Hi,

In my application I am using ODBC + Java thin clients to get data from the
cache(stores in Ignite nodes).
whenever a process using this thin clients is finished, I am getting in the
node logs this exception :

*[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)*



is there a soemthing I can do to avoid those exceptions?
Thanks!

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