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} -- This message was sent by Atlassian JIRA (v6.4.14#64029)