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HBase >> mail # dev >> Help with HBaseTestingUtility / MiniDFSCluster

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Re: Help with HBaseTestingUtility / MiniDFSCluster
What HBase version are you using for your Closure test ?


On Jul 12, 2013, at 7:37 PM, David Williams <[EMAIL PROTECTED]> wrote:

> Hi all,
> I am having an issue starting the a mini cluster for the HBaseTestingUtility.  In short I can on Mac OSX, but cannot on Linux.   But the error is cryptic and I don't know what to do next.
> I submitted a ticket with full details on StackOverflow,
> http://stackoverflow.com/questions/17625938/hbase-minidfscluster-java-fails-in-certain-environments
> But when I call .startMiniCluster  on an instance of HBaseTestingUtility , on Linux (CentOS x86_64), I receive this error:
> ERROR in (create-table) (MiniDFSCluster.java:426)
> Uncaught exception, not in assertion.
> expected: nil
>  actual: java.lang.NullPointerException: null
> at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes (MiniDFSCluster.java:426)
>    org.apache.hadoop.hdfs.MiniDFSCluster.<init> (MiniDFSCluster.java:284)
>    org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster (HBaseTestingUtility.java:444)
>    org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster (HBaseTestingUtility.java:612)
>    org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster (HBaseTestingUtility.java:568)
>    org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster (HBaseTestingUtility.java:555)
> I would appreciate help in finding out whats going on and how to set up my ENV to use the HBaseTestingUtility.
> Thanks
> David