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PC commented on KAFKA-2078: --------------------------- Hi again, It just happened again. This time, pumped only 4 messages. Again, look at the timestamps: 15:57:20,559 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback.groovy] 15:57:20,559 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback-test.xml] 15:57:20,560 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Found resource [logback.xml] at [file:/Users/pascal/Projects/frida-core/target/scala-2.10/classes/logback.xml] 15:57:20,724 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - debug attribute not set 15:57:20,727 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - About to instantiate appender of type [ch.qos.logback.core.ConsoleAppender] 15:57:20,737 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - Naming appender as [STDOUT] 15:57:20,790 |-WARN in ch.qos.logback.core.ConsoleAppender[STDOUT] - This appender no longer admits a layout as a sub-component, set an encoder instead. 15:57:20,790 |-WARN in ch.qos.logback.core.ConsoleAppender[STDOUT] - To ensure compatibility, wrapping your layout in LayoutWrappingEncoder. 15:57:20,790 |-WARN in ch.qos.logback.core.ConsoleAppender[STDOUT] - See also http://logback.qos.ch/codes.html#layoutInsteadOfEncoder for details 15:57:20,791 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting level of logger [consumer] to DEBUG 15:57:20,791 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting level of logger [producer] to DEBUG 15:57:20,791 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT logger to WARN 15:57:20,791 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [STDOUT] to Logger[ROOT] 15:57:20,792 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration. 15:57:20,793 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@38ddb44b - Registering current configuration as safe fallback point 15:57:21.057 [kafka-producer-network-thread | producer-2] DEBUG producer - PumpSuccess topic[test] partition[0] offset[582177726] 15:57:21.057 [kafka-producer-network-thread | producer-1] DEBUG producer - PumpSuccess topic[test] partition[0] offset[582177728] 15:57:21.057 [kafka-producer-network-thread | producer-4] DEBUG producer - PumpSuccess topic[test] partition[0] offset[582177725] 15:57:21.057 [kafka-producer-network-thread | producer-3] DEBUG producer - PumpSuccess topic[test] partition[0] offset[582177727] 16:08:39.667 [kafka-producer-network-thread | producer-2] WARN o.a.kafka.common.network.Selector - Error in I/O with localhost/127.0.0.1 java.io.EOFException: null at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.common.network.Selector.poll(Selector.java:248) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) [kafka-clients-0.8.2.1.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] 16:08:39.667 [kafka-producer-network-thread | producer-4] WARN o.a.kafka.common.network.Selector - Error in I/O with localhost/127.0.0.1 java.io.EOFException: null at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.common.network.Selector.poll(Selector.java:248) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) [kafka-clients-0.8.2.1.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] 16:08:39.667 [kafka-producer-network-thread | producer-3] WARN o.a.kafka.common.network.Selector - Error in I/O with localhost/127.0.0.1 java.io.EOFException: null at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.common.network.Selector.poll(Selector.java:248) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) [kafka-clients-0.8.2.1.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] 16:08:39.667 [kafka-producer-network-thread | producer-1] WARN o.a.kafka.common.network.Selector - Error in I/O with localhost/127.0.0.1 java.io.EOFException: null at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.common.network.Selector.poll(Selector.java:248) ~[kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) [kafka-clients-0.8.2.1.jar:na] at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) [kafka-clients-0.8.2.1.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] What is this!? All my zookeeper timeouts etc are set to 30seconds. Nothing gets logged in Zookeeper and the Kafka-Server at that timestamp. What is going on!? > Getting Selector [WARN] Error in I/O with host java.io.EOFException > ------------------------------------------------------------------- > > Key: KAFKA-2078 > URL: https://issues.apache.org/jira/browse/KAFKA-2078 > Project: Kafka > Issue Type: Bug > Components: producer > Affects Versions: 0.8.2.0 > Environment: OS Version: 2.6.39-400.209.1.el5uek and Hardware: 8 x > Intel(R) Xeon(R) CPU X5660 @ 2.80GHz/44GB > Reporter: Aravind > Assignee: Jun Rao > > When trying to Produce 1000 (10 MB) messages, getting this below error some > where between 997 to 1000th message. There is no pattern but able to > reproduce. > [PDT] 2015-03-31 13:53:50 Selector [WARN] Error in I/O with "our host" > java.io.EOFException at > org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:62) > at org.apache.kafka.common.network.Selector.poll(Selector.java:248) at > org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:192) at > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191) at > org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122) at > java.lang.Thread.run(Thread.java:724) > This error I am getting some times @ 997th message or 999th message. There is > no pattern but able to reproduce. -- This message was sent by Atlassian JIRA (v6.3.4#6332)