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https://issues.apache.org/jira/browse/HDFS-6232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira AJISAKA reassigned HDFS-6232:
-----------------------------------
Assignee: Akira AJISAKA
> 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: 3.0.0, 2.4.0
> Reporter: Stephen Chu
> Assignee: Akira AJISAKA
>
> 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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