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https://issues.apache.org/jira/browse/KAFKA-7809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17476413#comment-17476413
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Patrick McEvoy commented on KAFKA-7809:
---------------------------------------
I am seeing a similar issue and stack trace with Kafka 2.0.0
```
java.lang.OutOfMemoryError: Java heap space
at sun.nio.cs.UTF_8.newEncoder(UTF_8.java:72)
at java.lang.StringCoding.encode(StringCoding.java:348)
at java.lang.String.getBytes(String.java:941)
at org.apache.kafka.common.utils.Utils.utf8(Utils.java:148)
at org.apache.kafka.common.protocol.types.Type$8.write(Type.java:377)
at org.apache.kafka.common.protocol.types.Schema.write(Schema.java:58)
at org.apache.kafka.common.protocol.types.Struct.writeTo(Struct.java:364)
at
org.apache.kafka.common.requests.AbstractRequestResponse.serialize(AbstractRequestResponse.java:29)
at
org.apache.kafka.common.requests.AbstractRequest.serialize(AbstractRequest.java:98)
at
org.apache.kafka.common.requests.AbstractRequest.toSend(AbstractRequest.java:91)
at org.apache.kafka.clients.NetworkClient.doSend(NetworkClient.java:476)
at org.apache.kafka.clients.NetworkClient.doSend(NetworkClient.java:450)
at
org.apache.kafka.clients.NetworkClient.sendInternalMetadataRequest(NetworkClient.java:417)
at org.apache.kafka.clients.NetworkClient.access$600(NetworkClient.java:64)
at
org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:1019)
at
org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:920)
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:508)
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:239)
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:163)
at java.lang.Thread.run(Thread.java:748)
```
> Getting uncaught exception in kafka-producer-network-thread | producer-7686:
> java.lang.OutOfMemoryError: Java heap space
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-7809
> URL: https://issues.apache.org/jira/browse/KAFKA-7809
> Project: Kafka
> Issue Type: Bug
> Components: log
> Environment: Performance
> Reporter: Suman Kalyan Ghosh
> Priority: Major
>
> Getting uncaught exception in kafka-producer-network-thread | producer-7686:
> java.lang.OutOfMemoryError: Java heap space
> Env: Performance environment
>
> Kafka Verison : 0.9.0.1
> Kafka Set up : it is a 3 nodes single cluster environment.
> Appserver : Weblogic
> Logs :
> <Jan 9, 2019 5:15:33 AM CST> <Error> <Server> <BEA-002608> <The ListenThread
> failed because of an error: java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> >
> Jan 09, 2019 5:09:09 AM org.apache.kafka.common.utils.KafkaThread$1
> uncaughtException
> SEVERE: Uncaught exception in kafka-producer-network-thread | producer-7686:
> java.lang.OutOfMemoryError: Java heap space
> at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:68)
> at java.lang.StringBuilder.<init>(StringBuilder.java:89)
> at java.net.InetAddress.toString(InetAddress.java:725)
> at
> org.apache.kafka.common.network.KafkaChannel.socketDescription(KafkaChannel.java:117)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:305)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:256)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:216)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:128)
> at java.lang.Thread.run(Thread.java:748)
> <Jan 9, 2019 5:09:09 AM CST> <Error>
> <org.apache.kafka.common.utils.KafkaThread> <BEA-000000> <Uncaught exception
> in kafka-producer-network-thread | producer-7686:
> java.lang.OutOfMemoryError: Java heap space
> at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:68)
> at java.lang.StringBuilder.<init>(StringBuilder.java:89)
> at java.net.InetAddress.toString(InetAddress.java:725)
> at
> org.apache.kafka.common.network.KafkaChannel.socketDescription(KafkaChannel.java:117)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:305)
> Truncated. see log file for complete stacktrace
> >
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