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https://issues.apache.org/jira/browse/NIFI-6759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16947960#comment-16947960
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ASF subversion and git services commented on NIFI-6759:
-------------------------------------------------------
Commit 5414cd50163e4ae7d7b8bae8f3ecb4d00e4123ff in nifi's branch
refs/heads/master from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=5414cd5 ]
NIFI-6759: When encountering Exception during load-balanced connection
communications, after closing socket, return from method rather than continuing
loop
This closes #3800.
> If Load-Balanced Connections encounter IOException, it will loop
> indefinitely, logging errors instead of closing the connection and moving on
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-6759
> URL: https://issues.apache.org/jira/browse/NIFI-6759
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.10.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Blocker
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I encountered an Exception when communicating between two nodes using
> load-balanced connections. Within 2 minutes, I had geneated 2.5 GB of error
> logs, all of the pattern:
> {code:java}
> 2019-10-09 14:36:35,091 ERROR [Load-Balance Server Thread-17]
> o.a.n.c.q.c.s.ConnectionLoadBalanceServer Failed to communicate with Peer
> localhost/127.0.0.1:61671
> java.net.SocketException: Socket is closed
> at sun.security.ssl.SSLSocketImpl.checkEOF(SSLSocketImpl.java:1532)
> at sun.security.ssl.AppInputStream.read(AppInputStream.java:95)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
> at
> org.apache.nifi.controller.queue.clustered.server.StandardLoadBalanceProtocol.negotiateProtocolVersion(StandardLoadBalanceProtocol.java:143)
> at
> org.apache.nifi.controller.queue.clustered.server.StandardLoadBalanceProtocol.receiveFlowFiles(StandardLoadBalanceProtocol.java:122)
> at
> org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer$CommunicateAction.run(ConnectionLoadBalanceServer.java:152)
> at java.lang.Thread.run(Thread.java:745)
> 2019-10-09 14:36:35,091 ERROR [Load-Balance Server Thread-5]
> o.a.n.c.q.c.s.ConnectionLoadBalanceServer Failed to communicate with Peer
> localhost/127.0.0.1:61644
> java.net.SocketException: Socket is closed
> at sun.security.ssl.SSLSocketImpl.checkEOF(SSLSocketImpl.java:1532)
> at sun.security.ssl.AppInputStream.read(AppInputStream.java:95)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
> at
> org.apache.nifi.controller.queue.clustered.server.StandardLoadBalanceProtocol.negotiateProtocolVersion(StandardLoadBalanceProtocol.java:143)
> at
> org.apache.nifi.controller.queue.clustered.server.StandardLoadBalanceProtocol.receiveFlowFiles(StandardLoadBalanceProtocol.java:122)
> at
> org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer$CommunicateAction.run(ConnectionLoadBalanceServer.java:152)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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