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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1086) hadoop commands in streaming tasks are trying to write to tasktracker's log
Date Tue, 20 Oct 2009 04:27:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767683#action_12767683
] 

Hemanth Yamijala commented on MAPREDUCE-1086:
---------------------------------------------

The changes are fine. Appears my diagnosis for the test failure was not correct. Thanks for
fixing the correct bug.

+1.

> hadoop commands in streaming tasks are trying to write to tasktracker's log
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1086
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1086
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.20.1, 0.21.0, 0.22.0
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>             Fix For: 0.20.2
>
>         Attachments: MR-1086.patch, MR-1086.v1.1.patch, MR-1086.v1.2.patch, MR-1086.v1.patch
>
>
> As HADOOP_ROOT_LOGGER is not set in the environment by TT for the children, the children
of task jvm(in case of streaming) are trying to write to TT's log and getting the following
Exception. Jobs are succeeded, but the issue is to be resolved by setting the environment
variables by TT for use by children of task jvm in case of streaming job.
> When streaming calls hadoop commands, it's trying to write to TaskTracker log file.
> log4j:ERROR setFile(null,true) call failed.
> java.io.FileNotFoundException:
> /a/b/tasktracker.log (Permission denied)
>         at java.io.FileOutputStream.openAppend(Native Method)
>         at java.io.FileOutputStream.<init>(FileOutputStream.java:177)
>         at java.io.FileOutputStream.<init>(FileOutputStream.java:102)
>         at org.apache.log4j.FileAppender.setFile(FileAppender.java:290)
>         at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:164)
>         at org.apache.log4j.DailyRollingFileAppender.activateOptions(DailyRollingFileAppender.java:216)
>         at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:257)
>         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:133)
>         at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:97)
>         at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:689)
>         at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:647)
>         at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:544)
>         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:440)
>         at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:476)
>         at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471)
>         at org.apache.log4j.LogManager.<clinit>(LogManager.java:125)
>         at org.apache.log4j.Logger.getLogger(Logger.java:105)
>         at org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:229)
>         at org.apache.commons.logging.impl.Log4JLogger.<init>(Log4JLogger.java:65)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
>         at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
>         at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
>         at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
>         at org.apache.hadoop.conf.Configuration.<clinit>(Configuration.java:138)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:57)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.fs.FsShell.main(FsShell.java:1880)
> log4j:ERROR Either File or DatePattern options are not set for appender [DRFA].

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