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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11128) CreateEditsLog throws NullPointerException
Date Fri, 11 Nov 2016 00:25:58 GMT
Hanisha Koneru created HDFS-11128:
-------------------------------------

             Summary: CreateEditsLog throws NullPointerException
                 Key: HDFS-11128
                 URL: https://issues.apache.org/jira/browse/HDFS-11128
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
            Reporter: Hanisha Koneru
            Assignee: Hanisha Koneru


When trying to create edit logs through CreateEditsLog, the following exception is encountered.
{quote}
Exception in thread "main" java.lang.NullPointerException
	at java.io.File.<init>(File.java:415)
	at org.apache.hadoop.hdfs.server.namenode.NNStorage.getStorageDirectory(NNStorage.java:343)
	at org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil.createStandaloneEditLog(FSImageTestUtil.java:200)
	at org.apache.hadoop.hdfs.server.namenode.CreateEditsLog.main(CreateEditsLog.java:205)
	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:498)
	at org.apache.hadoop.util.RunJar.run(RunJar.java:239)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
{quote}

This happens as Mockito is unable to access package protected method _NNStorage#getStorageDirectory_
We need to change the access of this method to _public_



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