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Posted to dev@tinkerpop.apache.org by "David Robinson (JIRA)" <ji...@apache.org> on 2015/09/15 20:05:47 UTC

[jira] [Created] (TINKERPOP3-843) Misspecified HADOOP_GREMLIN_LIBS generates NullPointerException

David Robinson created TINKERPOP3-843:
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             Summary: Misspecified HADOOP_GREMLIN_LIBS generates NullPointerException
                 Key: TINKERPOP3-843
                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-843
             Project: TinkerPop 3
          Issue Type: Bug
          Components: hadoop
    Affects Versions: 3.0.1-incubating
         Environment: Linux, gremlin shell
            Reporter: David Robinson
            Assignee: Marko A. Rodriguez


If HADOOP_GREMLIN_LIBS is specified incorrectly, for example listing jar files and not directories, the code generates the following error:

Caused by: java.lang.NullPointerException
	at java.util.Arrays.stream(Arrays.java:5004)
	at java.util.stream.Stream.of(Stream.java:1000)
	at org.apache.tinkerpop.gremlin.hadoop.process.computer.giraph.GiraphGraphComputer.loadJars(GiraphGraphComputer.java:197)
	at org.apache.tinkerpop.gremlin.hadoop.process.computer.giraph.GiraphGraphComputer.lambda$submit$41(GiraphGraphComputer.java:101)



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