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https://issues.apache.org/jira/browse/KAFKA-5592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16101565#comment-16101565
]
Marcin Łuczyński commented on KAFKA-5592:
-----------------------------------------
It's very likely.
> Connection with plain client to SSL-secured broker causes OOM
> -------------------------------------------------------------
>
> Key: KAFKA-5592
> URL: https://issues.apache.org/jira/browse/KAFKA-5592
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 0.11.0.0
> Environment: Linux x86_64 x86_64 x86_64 GNU/Linux
> Reporter: Marcin Łuczyński
> Attachments: heapdump.20170713.100129.14207.0002.phd, Heap.PNG,
> javacore.20170713.100129.14207.0003.txt, Snap.20170713.100129.14207.0004.trc,
> Stack.PNG
>
>
> While testing connection with client app that does not have configured
> truststore with a Kafka broker secured by SSL, my JVM crashes with
> OutOfMemoryError. I saw it mixed with StackOverfowError. I attach dump files.
> The stack trace to start with is here:
> {quote}at java/nio/HeapByteBuffer. (HeapByteBuffer.java:57)
> at java/nio/ByteBuffer.allocate(ByteBuffer.java:331)
> at
> org/apache/kafka/common/network/NetworkReceive.readFromReadableChannel(NetworkReceive.java:93)
>
> at
> org/apache/kafka/common/network/NetworkReceive.readFrom(NetworkReceive.java:71)
>
> at
> org/apache/kafka/common/network/KafkaChannel.receive(KafkaChannel.java:169)
> at org/apache/kafka/common/network/KafkaChannel.read(KafkaChannel.java:150)
> at
> org/apache/kafka/common/network/Selector.pollSelectionKeys(Selector.java:355)
> at org/apache/kafka/common/network/Selector.poll(Selector.java:303)
> at org/apache/kafka/clients/NetworkClient.poll(NetworkClient.java:349)
> at
> org/apache/kafka/clients/consumer/internals/ConsumerNetworkClient.poll(ConsumerNetworkClient.java:226)
>
> at
> org/apache/kafka/clients/consumer/internals/ConsumerNetworkClient.poll(ConsumerNetworkClient.java:188)
>
> at
> org/apache/kafka/clients/consumer/internals/AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:207)
>
> at
> org/apache/kafka/clients/consumer/internals/AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:193)
>
> at
> org/apache/kafka/clients/consumer/internals/ConsumerCoordinator.poll(ConsumerCoordinator.java:279)
>
> at
> org/apache/kafka/clients/consumer/KafkaConsumer.pollOnce(KafkaConsumer.java:1029)
>
> at
> org/apache/kafka/clients/consumer/KafkaConsumer.poll(KafkaConsumer.java:995)
> at
> com/ibm/is/cc/kafka/runtime/KafkaConsumerProcessor.process(KafkaConsumerProcessor.java:237)
>
> at
> com/ibm/is/cc/kafka/runtime/KafkaProcessor.process(KafkaProcessor.java:173)
> at
> com/ibm/is/cc/javastage/connector/CC_JavaAdapter.run(CC_JavaAdapter.java:443){quote}
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