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https://issues.apache.org/jira/browse/HBASE-8944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Williams updated HBASE-8944:
----------------------------------
Description:
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
Steps to reproduce:
1. Download a copy of CentOS
2. Install Java
3. Fire up a minicluster as part of the HBaseTestingUtility
was:
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
> 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
> Steps to reproduce:
> 1. Download a copy of CentOS
> 2. Install Java
> 3. Fire up a minicluster as part of the HBaseTestingUtility
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