[TEZ-2782] VertexInfo.getAvgExecutionTimeInterval throws NPE when task does not have any valid attempts info

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.1-alpha
• Target Version/s: 0.8.1-alpha
• Hadoop Flags: Reviewed
• Assignee: Rajesh Balamohan
• Reporter: Rajesh Balamohan
• Created: 07/Sep/15 01:15
• Updated: 12/Oct/15 20:46
• Resolved: 08/Sep/15 03:14

Description

java.lang.NullPointerException
        at org.apache.tez.history.parser.datamodel.VertexInfo.getAvgExecutionTimeInterval(VertexInfo.java:204)
        at org.apache.tez.analyzer.plugins.CriticalPathAnalyzer.analyzeCriticalPath(CriticalPathAnalyzer.java:165)
        at org.apache.tez.analyzer.plugins.CriticalPathAnalyzer.analyze(CriticalPathAnalyzer.java:134)
        at org.apache.tez.analyzer.plugins.TezAnalyzerBase.run(TezAnalyzerBase.java:113)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.tez.analyzer.plugins.CriticalPathAnalyzer.main(CriticalPathAnalyzer.java:428)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:71)
        at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144)
        at org.apache.tez.analyzer.plugins.AnalyzerDriver.main(AnalyzerDriver.java:31)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:222)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)