Colin Patrick McCabe created HDFS-4235:
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Summary: when outputting XML, OfflineEditsViewer can't handle some
edits containing non-ASCII strings
Key: HDFS-4235
URL: https://issues.apache.org/jira/browse/HDFS-4235
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Colin Patrick McCabe
Priority: Minor
It seems that when outputting XML, OfflineEditsViewer can't handle some edits
containing non-ASCII strings.
Example:
{code}
cmccabe@keter:/h> ./bin/hdfs oev -i ~/Downloads/current2/edits -o /tmp/u.xml
17:11:24,662 ERROR OfflineEditsBinaryLoader:82 - Got IOException at position
10593
Encountered exception. Exiting: SAX error: The character '�' is an invalid XML
character
java.io.IOException: SAX error: The character '�' is an invalid XML character
at
org.apache.hadoop.hdfs.tools.offlineEditsViewer.XmlEditsVisitor.visitOp(XmlEditsVisitor.java:119)
at
org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsBinaryLoader.loadEdits(OfflineEditsBinaryLoader.java:78)
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)
{code}
Probably, we forgot to properly escape and/or re-encode a filename before
putting it into the XML. The other processors (stats, binary) don't have this
problem, so it is purely an XML encoding issue.
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