[ https://issues.apache.org/jira/browse/HDFS-14148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Siyao Meng updated HDFS-14148: ------------------------------ Description: The current HDFS OIV tool doesn't seem to support snapshot when reversing XML back to binary. {code:bash} $ hdfs oiv -i fsimage_0000000000000026542.xml -o reverse.bin -p ReverseXML OfflineImageReconstructor failed: Found unknown XML keys in <dir>: dir java.io.IOException: Found unknown XML keys in <dir>: dir at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$Node.verifyNoRemainingKeys(OfflineImageReconstructor.java:324) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$SnapshotSectionProcessor.process(OfflineImageReconstructor.java:1357) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1785) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1840) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:193) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:136) $ grep -n "<dir>" fsimage_0000000000000026542.xml 228:<INodeReferenceSection></INodeReferenceSection><SnapshotSection><snapshotCounter>2</snapshotCounter><numSnapshots>2</numSnapshots><snapshottableDir><dir>20492</dir><dir>20495</dir></snapshottableDir> {code} was: The current HDFS OIV tool doesn't seem to support snapshot when reversing XML back to binary. {code:bash} $ hdfs oiv -i fsimage_0000000000000026542.xml -o reverse.bin -p ReverseXML OfflineImageReconstructor failed: Found unknown XML keys in <dir>: dir java.io.IOException: Found unknown XML keys in <dir>: dir at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$Node.verifyNoRemainingKeys(OfflineImageReconstructor.java:324) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$SnapshotSectionProcessor.process(OfflineImageReconstructor.java:1357) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1785) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1840) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:193) at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:136) {code} > HDFS OIV ReverseXML: Support Snapshot > ------------------------------------- > > Key: HDFS-14148 > URL: https://issues.apache.org/jira/browse/HDFS-14148 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs > Affects Versions: 3.0.0 > Reporter: Siyao Meng > Priority: Major > > The current HDFS OIV tool doesn't seem to support snapshot when reversing XML > back to binary. > {code:bash} > $ hdfs oiv -i fsimage_0000000000000026542.xml -o reverse.bin -p ReverseXML > OfflineImageReconstructor failed: Found unknown XML keys in <dir>: dir > java.io.IOException: Found unknown XML keys in <dir>: dir > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$Node.verifyNoRemainingKeys(OfflineImageReconstructor.java:324) > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor$SnapshotSectionProcessor.process(OfflineImageReconstructor.java:1357) > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1785) > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1840) > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:193) > at > org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:136) > $ grep -n "<dir>" fsimage_0000000000000026542.xml > 228:<INodeReferenceSection></INodeReferenceSection><SnapshotSection><snapshotCounter>2</snapshotCounter><numSnapshots>2</numSnapshots><snapshottableDir><dir>20492</dir><dir>20495</dir></snapshottableDir> > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org