[jira] [Created] (KAFKA-5592) Connection with plain client to SSL-secured broker causes OOM

[JIRA]

Marcin Łuczyński created KAFKA-5592:
---------------------------------------

             Summary: 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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