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Posted to hdfs-dev@hadoop.apache.org by "Stephen Chu (JIRA)" <ji...@apache.org> on 2014/04/10 23:20:21 UTC
[jira] [Created] (HDFS-6232) OfflineEditsViewer throws a NPE on
edits containing ACL modifications
Stephen Chu created HDFS-6232:
---------------------------------
Summary: OfflineEditsViewer throws a NPE on edits containing ACL modifications
Key: HDFS-6232
URL: https://issues.apache.org/jira/browse/HDFS-6232
Project: Hadoop HDFS
Issue Type: Bug
Components: tools
Affects Versions: 2.4.0, 3.0.0
Reporter: Stephen Chu
The OfflineEditsViewer using the XML parser will through a NPE when using an edit with a SET_ACL op.
{code}
[root@hdfs-nfs current]# hdfs oev -i edits_0000000000000000001-0000000000000000007 -o fsedits.out
14/04/10 14:14:18 ERROR offlineEditsViewer.OfflineEditsBinaryLoader: Got RuntimeException at position 505
Encountered exception. Exiting: null
java.lang.NullPointerException
at org.apache.hadoop.hdfs.util.XMLUtils.mangleXmlString(XMLUtils.java:122)
at org.apache.hadoop.hdfs.util.XMLUtils.addSaxString(XMLUtils.java:193)
at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.appendAclEntriesToXml(FSEditLogOp.java:4085)
at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.access$3300(FSEditLogOp.java:132)
at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$SetAclOp.toXml(FSEditLogOp.java:3528)
at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.outputToXml(FSEditLogOp.java:3928)
at org.apache.hadoop.hdfs.tools.offlineEditsViewer.XmlEditsVisitor.visitOp(XmlEditsVisitor.java:116)
at org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsBinaryLoader.loadEdits(OfflineEditsBinaryLoader.java:80)
at org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsViewer.go(OfflineEditsViewer.java:142)
at org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsViewer.run(OfflineEditsViewer.java:228)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
at org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsViewer.main(OfflineEditsViewer.java:237)
[root@hdfs-nfs current]#
{code}
This is reproducible by setting an acl on a file and then running the OEV on the editsinprogress file.
The stats and binary parsers run OK.
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