[HDFS-4902] DFSClient.getSnapshotDiffReport should use string path rather than o.a.h.fs.Path

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0-beta
• Fix Version/s: 2.1.0-beta
• Component/s: snapshots
• Hadoop Flags: Reviewed
• Assignee: Binglin Chang
• Reporter: Binglin Chang
• Created: 13/Jun/13 05:08
• Updated: 27/Aug/13 22:07
• Resolved: 13/Jun/13 18:31

Description

org.apache.hadoop.ipc.RemoteException(java.lang.AssertionError): Absolute path required
	at org.apache.hadoop.hdfs.server.namenode.INode.getPathNames(INode.java:641)
	at org.apache.hadoop.hdfs.server.namenode.INode.getPathComponents(INode.java:619)
	at org.apache.hadoop.hdfs.server.namenode.INodeDirectory.getINodesInPath4Write(INodeDirectory.java:362)
	at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getINodesInPath4Write(FSDirectory.java:1648)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager.diff(SnapshotManager.java:354)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getSnapshotDiffReport(FSNamesystem.java:6035)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getSnapshotDiffReport(NameNodeRpcServer.java:1172)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getSnapshotDiffReport(ClientNamenodeProtocolTranslatorPB.java:975)
	at org.apache.hadoop.hdfs.DFSClient.getSnapshotDiffReport(DFSClient.java:2158)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getSnapshotDiffReport(DistributedFileSystem.java:990)

DistributedFileSystem.getSnapshotDiffReport use Path with scheme, so toString will return path with scheme, e.g. hdfs://xxxx:8020/abc/
But FSNamesystem only accept simple path, not whole URI.