Hi Dushan, Yes I set it. Reason for this issue is that producer connection was not closed properly. Now number of open file limit is enough.
Thanks, Kathees On Sun, Oct 5, 2014 at 7:43 PM, Dushan Abeyruwan <[email protected]> wrote: > ulimit ? > > have you set them in your OS > > On Sat, Oct 4, 2014 at 8:48 PM, Kathees Rajendram <[email protected]> > wrote: > >> >> Hi, >> >> I tried to send 5000 messages to Kafka broker using Jmeter ( 10 thread >> and 500 messages per a thread,one message size is 105 byes). After 2000 >> messages I am getting the following exception. >> Exception shows "Too many open files" error.So I changed to increase no. >> of open files limit on my machine. >> >> >> http://askubuntu.com/questions/162229/how-do-i-increase-the-open-files-limit-for-a-non-root-user >> >> and changed buffer size (socket.request.max.bytes) value in >> server.properties file but still I am getting same exception. >> >> What is the cause for this issue? >> >> >> [2014-10-03 12:31:07,051] ERROR - Utils$ fetching topic metadata for >> topics [Set(test1)] from broker >> [ArrayBuffer(id:0,host:localhost,port:9092)] failed >> kafka.common.KafkaException: fetching topic metadata for topics >> [Set(test1)] from broker [ArrayBuffer(id:0,host:localhost,port:9092)] failed >> at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:67) >> at >> kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82) >> at >> kafka.producer.async.DefaultEventHandler$$anonfun$handle$2.apply$mcV$sp(DefaultEventHandler.scala:78) >> at kafka.utils.Utils$.swallow(Utils.scala:167) >> at kafka.utils.Logging$class.swallowError(Logging.scala:106) >> at kafka.utils.Utils$.swallowError(Utils.scala:46) >> at >> kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:78) >> at kafka.producer.Producer.send(Producer.scala:76) >> at kafka.javaapi.producer.Producer.send(Producer.scala:33) >> at org.wso2.carbon.connector.KafkaProduce.send(KafkaProduce.java:71) >> at >> org.wso2.carbon.connector.KafkaProduce.connect(KafkaProduce.java:28) >> at >> org.wso2.carbon.connector.core.AbstractConnector.mediate(AbstractConnector.java:32) >> at >> org.apache.synapse.mediators.ext.ClassMediator.mediate(ClassMediator.java:78) >> at >> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) >> at >> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) >> at >> org.apache.synapse.mediators.template.TemplateMediator.mediate(TemplateMediator.java:77) >> at >> org.apache.synapse.mediators.template.InvokeMediator.mediate(InvokeMediator.java:129) >> at >> org.apache.synapse.mediators.template.InvokeMediator.mediate(InvokeMediator.java:78) >> at >> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) >> at >> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) >> at >> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) >> at >> org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:166) >> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) >> at >> org.apache.synapse.transport.passthru.ServerWorker.processNonEntityEnclosingRESTHandler(ServerWorker.java:344) >> at >> org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:385) >> at >> org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:183) >> at >> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> Caused by: java.net.SocketException: Too many open files >> at sun.nio.ch.Net.socket0(Native Method) >> at sun.nio.ch.Net.socket(Net.java:423) >> at sun.nio.ch.Net.socket(Net.java:416) >> at sun.nio.ch.SocketChannelImpl.<init>(SocketChannelImpl.java:104) >> at >> sun.nio.ch.SelectorProviderImpl.openSocketChannel(SelectorProviderImpl.java:60) >> at java.nio.channels.SocketChannel.open(SocketChannel.java:142) >> at kafka.network.BlockingChannel.connect(BlockingChannel.scala:48) >> at kafka.producer.SyncProducer.connect(SyncProducer.scala:141) >> at >> kafka.producer.SyncProducer.getOrMakeConnection(SyncProducer.scala:156) >> at >> kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:68) >> at kafka.producer.SyncProducer.send(SyncProducer.scala:112) >> at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:53) >> ... 29 more >> >> >> >> Thanks, >> Kathees >> >> >> -- >> Kathees >> Software Engineer, >> email: [email protected] >> mobile: +94772596173 >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > Dushan Abeyruwan | Associate Tech Lead > Integration Technologies Team > PMC Member Apache Synpase > WSO2 Inc. http://wso2.com/ > Blog:http://dushansview.blogspot.com/ > Mobile:(0094)713942042 > > -- Kathees Software Engineer, email: [email protected] mobile: +94772596173
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