Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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None
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None
Description
Found this NPE in a Hadoop 0.20.0 JobTracker log:
2009-03-03 23:55:22,824 ERROR org.apache.hadoop.mapred.PoolManager: Failed to reload allocations file - will use existing allocations. java.lang.NullPointerException at java.io.File.<init>(File.java:222) at org.apache.hadoop.mapred.PoolManager.reloadAllocsIfNecessary(PoolManager.java:119) at org.apache.hadoop.mapred.FairScheduler.assignTasks(FairScheduler.java:226) at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:2340) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)