I had a problem today, when i executed the command "mapred job -list" on a slave, an error came out. show the message as below:
14/03/28 11:18:47 INFO Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id 14/03/28 11:18:47 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId= Exception in thread "main" java.lang.NullPointerException at org.apache.hadoop.mapreduce.tools.CLI.listJobs(CLI.java:504) at org.apache.hadoop.mapreduce.tools.CLI.run(CLI.java:312) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) at org.apache.hadoop.mapred.JobClient.main(JobClient.java:1237)
when i executed the same command yesterday, it was ok. Thanks for any help
Please also indicate your exact Hadoop version in use.
On Fri, Mar 28, 2014 at 9:04 AM, haihong lu <[EMAIL PROTECTED]> wrote:
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