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https://issues.apache.org/jira/browse/KAFKA-3145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15147971#comment-15147971
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Dong Lin commented on KAFKA-3145:
---------------------------------
[~zhiwei] Can you want to try to reproduce it using trunk? It is probably
already fixed.
> CPU Usage Spike to 100% when network connection is to error port
> ----------------------------------------------------------------
>
> Key: KAFKA-3145
> URL: https://issues.apache.org/jira/browse/KAFKA-3145
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.2.1, 0.9.0.0
> Reporter: zhiwei
> Assignee: Dong Lin
> Fix For: 0.9.1.0
>
>
> CPU spike to 100% when network connection is to error port.
> It seems network IO thread are very busy logging following error message.
> [2016-01-25 14:09:12,476] ERROR Uncaught error in kafka producer I/O thread:
> (org.apache.kafka.clients.producer.internals.Sender)
> java.lang.IllegalStateException: Invalid request (size = -1241382912)
> at
> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:68)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:248)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> at java.lang.Thread.run(Thread.java:745)
> [2016-01-25 14:09:12,479] ERROR Uncaught error in kafka producer I/O thread:
> (org.apache.kafka.clients.producer.internals.Sender)
> java.lang.NullPointerException
> at
> org.apache.kafka.common.network.NetworkReceive.complete(NetworkReceive.java:48)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:249)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> at java.lang.Thread.run(Thread.java:745)
> [2016-01-25 14:09:12,480] ERROR Uncaught error in kafka producer I/O thread:
> (org.apache.kafka.clients.producer.internals.Sender)
> java.lang.NullPointerException
> at
> org.apache.kafka.common.network.NetworkReceive.complete(NetworkReceive.java:48)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:249)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> at java.lang.Thread.run(Thread.java:745)
> [2016-01-25 14:09:12,480] ERROR Uncaught error in kafka producer I/O thread:
> (org.apache.kafka.clients.producer.internals.Sender)
> java.lang.NullPointerException
> at
> org.apache.kafka.common.network.NetworkReceive.complete(NetworkReceive.java:48)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:249)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> at java.lang.Thread.run(Thread.java:745)
> [2016-01-25 14:09:12,481] ERROR Uncaught error in kafka producer I/O thread:
> (org.apache.kafka.clients.producer.internals.Sender)
> java.lang.NullPointerException
> at
> org.apache.kafka.common.network.NetworkReceive.complete(NetworkReceive.java:48)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:249)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> at java.lang.Thread.run(Thread.java:745)
> Thanks,
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