Erik Krogen created HDFS-12828:
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Summary: OIV ReverseXML Processor Fails With Escaped Characters
Key: HDFS-12828
URL: https://issues.apache.org/jira/browse/HDFS-12828
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs
Affects Versions: 2.8.0
Reporter: Erik Krogen
The HDFS OIV ReverseXML processor fails if the XML file contains escaped
characters:
{code}
ekrogen at ekrogen-ld1 in
~/dev/hadoop/trunk/hadoop-dist/target/hadoop-3.0.0-beta1-SNAPSHOT on trunk!
± $HADOOP_HOME/bin/hdfs dfs -fs hdfs://localhost:9000/ -ls /
Found 4 items
drwxr-xr-x - ekrogen supergroup 0 2017-11-16 14:48 /foo
drwxr-xr-x - ekrogen supergroup 0 2017-11-16 14:49 /foo"
drwxr-xr-x - ekrogen supergroup 0 2017-11-16 14:50 /foo`
drwxr-xr-x - ekrogen supergroup 0 2017-11-16 14:49 /foo&
{code}
Then after doing {{saveNamespace}} on that NameNode...
{code}
ekrogen at ekrogen-ld1 in
~/dev/hadoop/trunk/hadoop-dist/target/hadoop-3.0.0-beta1-SNAPSHOT on trunk!
± $HADOOP_HOME/bin/hdfs oiv -i
/tmp/hadoop-ekrogen/dfs/name/current/fsimage_0000000000000000008 -o
/tmp/hadoop-ekrogen/dfs/name/current/fsimage_0000000000000000008.xml -p XML
ekrogen at ekrogen-ld1 in
~/dev/hadoop/trunk/hadoop-dist/target/hadoop-3.0.0-beta1-SNAPSHOT on trunk!
± $HADOOP_HOME/bin/hdfs oiv -i
/tmp/hadoop-ekrogen/dfs/name/current/fsimage_0000000000000000008.xml -o
/tmp/hadoop-ekrogen/dfs/name/current/fsimage_0000000000000000008.xml.rev -p
ReverseXML
OfflineImageReconstructor failed: unterminated entity ref starting with &
org.apache.hadoop.hdfs.util.XMLUtils$UnmanglingError: unterminated entity ref
starting with &
at
org.apache.hadoop.hdfs.util.XMLUtils.unmangleXmlString(XMLUtils.java:232)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.loadNodeChildrenHelper(OfflineImageReconstructor.java:383)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.loadNodeChildrenHelper(OfflineImageReconstructor.java:379)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.loadNodeChildren(OfflineImageReconstructor.java:418)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.access$1000(OfflineImageReconstructor.java:95)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$INodeSectionProcessor.process(OfflineImageReconstructor.java:524)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1710)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1765)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:191)
at
org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:134)
{code}
See attachments for relevant fsimage XML file.
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