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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1086) hadoop commands in streaming tasks are trying to write to tasktracker's log
Date Fri, 09 Oct 2009 08:20:31 GMT
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


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:
/grid/0/hadoop/var/log/mapred/hadoop-mapred-tasktracker-gsbl60968.blue.ygrid.yahoo.com.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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