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Posted to notifications@accumulo.apache.org by "Tristen Georgiou (JIRA)" <ji...@apache.org> on 2014/08/02 01:11:38 UTC
[jira] [Created] (ACCUMULO-3041) Unhandled null pointer exception
in BulkImport.createNewBulkDir()
Tristen Georgiou created ACCUMULO-3041:
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Summary: Unhandled null pointer exception in BulkImport.createNewBulkDir()
Key: ACCUMULO-3041
URL: https://issues.apache.org/jira/browse/ACCUMULO-3041
Project: Accumulo
Issue Type: Bug
Components: master
Affects Versions: 1.6.0
Reporter: Tristen Georgiou
File:
org.apache.accumulo.master.tableOps.BulkImport
line 188
{code:title=BulkImport.java|borderStyle=solid}
String tableDir = fs.matchingFileSystem(new Path(sourceDir), ServerConstants.getTablesDirs()).toString();
if (tableDir == null)
throw new IllegalStateException(sourceDir + " is not in a known namespace");
Path directory = new Path(tableDir + "/" + tableId);
{code}
It is possible that fs.matchingFileSystem() can return null, so calling toString() will cause a NullPointerException. (See org.apache.accumulo.server.fs.VolumeManagerImpl on line 512)
The following lines check for a null return, but by this time its too late.
I think in my case, I've mis-configured something such that the function is unable to get a matching file system, so I will probably be able to get around this without a code update.
Perhaps the fix is as simple as this:
{code:title=BulkImport.java|borderStyle=solid}
String tableDir = fs.matchingFileSystem(new Path(sourceDir), ServerConstants.getTablesDirs());
if (tableDir == null)
throw new IllegalStateException(sourceDir + " is not in a known namespace");
Path directory = new Path(tableDir.toString() + "/" + tableId);
{code}
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