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stack commented on HBASE-8944: ------------------------------ [~mobiusinversion] So a 0.94.6.1 against an hadoop 1.2? If so, you are into new territory so you very well may have uncovered an incompatibility. Lets figure it. Thanks. > Runtime NullPointerException in MiniDFSCluster on CentOS and other Linux > ------------------------------------------------------------------------ > > Key: HBASE-8944 > URL: https://issues.apache.org/jira/browse/HBASE-8944 > Project: HBase > Issue Type: Bug > Affects Versions: 0.94.6, 0.94.6.1 > Reporter: David Williams > > The HBaseTestingUtility appears to have an unhandled NullPointerException in > certain environments. It works on Apache HBase 0.94.6.1 on Mac OSX but not > in certain Linux environments such as CentOS. > In Java: > {code} > HBaseTestingUtility testingUtility = new HBaseTestingUtility(); > testingUtility.startMiniCluster(1); // blows up on CentOS Linux but not Mac > OSX > {code} > Creates this exception: > {code} > 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) > {code} > I also created a stack overflow ticket here, with more info: > http://stackoverflow.com/questions/17625938/hbase-minidfscluster-java-fails-in-certain-environments -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira