Hongyuan Li created KAFKA-5444: ---------------------------------- Summary: Producer.send() will hang 8 hours, Key: KAFKA-5444 URL: https://issues.apache.org/jira/browse/KAFKA-5444 Project: Kafka Issue Type: Bug Reporter: Hongyuan Li
Frequent kafka old Producer open and close with cause the server hang with lots of error messages logged in the server.log .In my occasion,we may frequent open and close kafka producer,the procedure just like the code below: {code} Producer producer = …… producer.send(List<KeyedMessage> lists); producer.close(); {code} the error is below: {code} 2017-06-13 00:00:00,084] ERROR Processor got uncaught exception. (kafka.network.Processor) java.lang.OutOfMemoryError: Direct buffer memory at java.nio.Bits.reserveMemory(Bits.java:658) at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123) at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306) 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:379) 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:343) at org.apache.kafka.common.network.Selector.poll(Selector.java:291) at kafka.network.Processor.poll(SocketServer.scala:476) at kafka.network.Processor.run(SocketServer.scala:416) at java.lang.Thread.run(Thread.java:745) {code} the detailed error logs lists will be added in the attachment. Any good idea to solve this? -- This message was sent by Atlassian JIRA (v6.4.14#64029)