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Ramya R commented on HADOOP-5924: --------------------------------- Submitted a job and restarted the JT after sometime. Below is the snapshot of the JT log: {noformat} INFO org.apache.hadoop.mapred.JobTracker: Submitting job <jobID> on behalf of user <user> in groups :<group> INFO org.apache.hadoop.mapred.JobHistory: Recovered job history filename for job <jobID> is <job history file> INFO org.apache.hadoop.mapred.JobHistory: <job history file> exists! INFO org.apache.hadoop.mapred.JobHistory: <job history file> exists! INFO org.apache.hadoop.mapred.JobQueuesManager: Job submitted to queue default WARN org.apache.hadoop.fs.FSInputChecker: Problem opening checksum file: file:<logs>history/<job history file> Ignoring exception: java.io.EOFException at java.io.DataInputStream.readFully(DataInputStream.java:180) at java.io.DataInputStream.readFully(DataInputStream.java:152) at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.<init>(ChecksumFileSystem.java:134) at org.apache.hadoop.fs.ChecksumFileSystem.open(ChecksumFileSystem.java:283) at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:351) at org.apache.hadoop.mapred.JobHistory.parseHistoryFromFS(JobHistory.java:254) at org.apache.hadoop.mapred.JobTracker$RecoveryManager.recover(JobTracker.java:1361) at org.apache.hadoop.mapred.JobTracker.offerService(JobTracker.java:1850) at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:3695) INFO org.apache.hadoop.mapred.JobHistory: Deleting job history file <job history file> INFO org.apache.hadoop.mapred.JobTracker: Restoration complete INFO org.apache.hadoop.mapred.JobInitializationPoller: Passing to Initializer Job Id :<jobID> User:<user> Queue : default INFO org.apache.hadoop.mapred.JobInitializationPoller: Initializing job : <jobID> in Queue default For user : <user> INFO org.apache.hadoop.mapred.JobInProgress: Initializing <jobID> INFO org.apache.hadoop.mapred.JobHistory: Nothing to recover for job <jobID> INFO org.apache.hadoop.mapred.JobInitializationPoller: Job initialization failed: java.lang.IllegalArgumentException: Can not create a Path from a null string at org.apache.hadoop.fs.Path.checkPathArg(Path.java:78) at org.apache.hadoop.fs.Path.<init>(Path.java:90) at org.apache.hadoop.fs.Path.<init>(Path.java:45) at org.apache.hadoop.mapred.JobHistory$JobInfo.getJobHistoryLogLocation(JobHistory.java:577) at org.apache.hadoop.mapred.JobHistory$JobInfo.logSubmitted(JobHistory.java:871) at org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:405) at org.apache.hadoop.mapred.JobInitializationPoller$JobInitializationThread.initializeJobs(JobInitializationPoller.java:143) at org.apache.hadoop.mapred.JobInitializationPoller$JobInitializationThread.run(JobInitializationPoller.java:113) INFO org.apache.hadoop.mapred.JobHistory: Nothing to recover for job <jobID> INFO org.apache.hadoop.mapred.JobInitializationPoller: Removing killed/completed job from initalized jobs list : <jobID> {noformat} The job fails to recover and is marked as failed. This happens for all the jobs(irrespective of map/reduce progress) > JT fails to recover the jobs after restart after HADOOP:4372 > ------------------------------------------------------------ > > Key: HADOOP-5924 > URL: https://issues.apache.org/jira/browse/HADOOP-5924 > Project: Hadoop Core > Issue Type: Bug > Reporter: Ramya R > -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.