[MAPREDUCE-939] NPE in SortValidator if input path does not exist

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 0.20.1
• Component/s: test
• Assignee: Unassigned
• Reporter: Ramya Sunil
• Created: 31/Aug/09 04:35
• Updated: 31/Aug/09 04:35

Description

If the input to SortValidator does not exist, NullPointerException is thrown. Below is the stacktrace:

java.lang.NullPointerException
        at org.apache.hadoop.mapred.SortValidator$RecordStatsChecker.checkRecords(SortValidator.java:326)
        at org.apache.hadoop.mapred.SortValidator.run(SortValidator.java:561)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.mapred.SortValidator.main(SortValidator.java:576)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
        at org.apache.hadoop.test.AllTestDriver.main(AllTestDriver.java:81)
        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.util.RunJar.main(RunJar.java:156)