Niranjan Nanda created KAFKA-4489: ------------------------------------- Summary: Kafka Consumer throws Java Heap Out of Space Error on failed SSL connections Key: KAFKA-4489 URL: https://issues.apache.org/jira/browse/KAFKA-4489 Project: Kafka Issue Type: Bug Components: consumer Affects Versions: 0.10.0.0 Reporter: Niranjan Nanda
Configured Kafka brokers on SSL. At consumer side, I configured following properties: kafkaProps.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "host1:9093,host2:9093,host3:9093"); kafkaProps.put(ConsumerConfig.GROUP_ID_CONFIG, "my_group1"); kafkaProps.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); kafkaProps.put(ConsumerConfig.CLIENT_ID_CONFIG, "host_name_of_machine"); On starting, I could following exceptions in the kafka log 2016-12-05 22:44:23.277 [Thread: pool-2-thread-4] DEBUG org.apache.kafka.clients.NetworkClient# - Initialize connection to node -3 for sending metadata request 2016-12-05 22:44:23.277 [Thread: pool-2-thread-4] DEBUG org.apache.kafka.clients.NetworkClient# - Initiating connection to node -3 at <host1>:9093. 2016-12-05 22:44:23.277 [Thread: pool-2-thread-10] DEBUG org.apache.kafka.clients.NetworkClient# - Node -2 disconnected. 2016-12-05 22:44:23.277 [Thread: pool-2-thread-10] WARN org.apache.kafka.clients.NetworkClient# - Bootstrap broker <host2>:9093 disconnected 2016-12-05 22:44:23.277 [Thread: pool-2-thread-6] DEBUG org.apache.kafka.clients.NetworkClient# - Node -2 disconnected. 2016-12-05 22:44:23.277 [Thread: pool-2-thread-10] DEBUG org.apache.kafka.clients.NetworkClient# - Sending metadata request {topics=[my_topic]} to node -1 2016-12-05 22:44:23.277 [Thread: pool-2-thread-6] WARN org.apache.kafka.clients.NetworkClient# - Bootstrap broker <host2>:9093 disconnected 2016-12-05 22:44:23.277 [Thread: pool-2-thread-6] DEBUG org.apache.kafka.clients.NetworkClient# - Initialize connection to node -1 for sending metadata request 2016-12-05 22:44:23.277 [Thread: pool-2-thread-6] DEBUG org.apache.kafka.clients.NetworkClient# - Initiating connection to node -1 at <host3>:9093. 2016-12-05 22:44:23.547 [Thread: pool-2-thread-12] DEBUG org.apache.kafka.clients.consumer.internals.ConsumerCoordinator# - Cannot auto-commit offsets for group my_group1 since the coordinator is unknown 2016-12-05 22:44:23.547 [Thread: pool-2-thread-14] DEBUG org.apache.kafka.clients.consumer.internals.ConsumerCoordinator# - Cannot auto-commit offsets for group my_group1 since the coordinator is unknown 2016-12-05 22:44:23.547 [Thread: pool-2-thread-12] DEBUG org.apache.kafka.common.network.Selector# - Connection with <host1>/<IP> disconnected java.io.EOFException at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:99) at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71) at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:154) at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:135) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:323) at org.apache.kafka.common.network.Selector.poll(Selector.java:283) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.awaitMetadataUpdate(ConsumerNetworkClient.java:134) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:183) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) at com.demo.consumer.Consumer.run(Consumer.java:71) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) And, following stack traces are present in my app log java.lang.OutOfMemoryError: Java heap space at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) at java.nio.ByteBuffer.allocate(ByteBuffer.java:335) 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:154) at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:135) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:323) at org.apache.kafka.common.network.Selector.poll(Selector.java:283) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:179) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) at com.demo.consumer.Consumer.run(Consumer.java:71) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) 2016-12-05 22:36:58.955 [Thread: pool-2-thread-15] DEBUG com.demo.consumer.Consumer# - Uncaught exception while consuming the message... java.lang.OutOfMemoryError: Java heap space at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) at java.nio.ByteBuffer.allocate(ByteBuffer.java:335) 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:154) at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:135) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:323) at org.apache.kafka.common.network.Selector.poll(Selector.java:283) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:179) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) at com.demo.consumer.Consumer.run(Consumer.java:71) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) 2016-12-05 22:37:03.817 [Thread: pool-2-thread-8] DEBUG com.demo.consumer.Consumer# - Uncaught exception while consuming the message... java.lang.OutOfMemoryError: Direct buffer memory at java.nio.Bits.reserveMemory(Bits.java:693) at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123) at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311) at sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:174) at sun.nio.ch.IOUtil.read(IOUtil.java:195) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at org.apache.kafka.common.network.PlaintextTransportLayer.read(PlaintextTransportLayer.java:110) at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:97) at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71) at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:154) at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:135) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:323) at org.apache.kafka.common.network.Selector.poll(Selector.java:283) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:179) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) at com.demo.consumer.Consumer.run(Consumer.java:71) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) The message consumption was not working. -- This message was sent by Atlassian JIRA (v6.3.4#6332)