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https://issues.apache.org/jira/browse/HDFS-4802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651868#comment-13651868
]
Hudson commented on HDFS-4802:
------------------------------
Integrated in Hadoop-Hdfs-Snapshots-Branch-build #177 (See
[https://builds.apache.org/job/Hadoop-Hdfs-Snapshots-Branch-build/177/])
HDFS-4802. Disallowing snapshot on / twice should throw SnapshotException
but not IllegalStateException. Contributed by Jing Zhao (Revision 1480015)
Result = FAILURE
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1480015
Files :
*
/hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-2802.txt
*
/hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
*
/hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/Diff.java
*
/hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestNestedSnapshots.java
> Disallowing snapshot on / twice throws error
> --------------------------------------------
>
> Key: HDFS-4802
> URL: https://issues.apache.org/jira/browse/HDFS-4802
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Ramya Sunil
> Assignee: Jing Zhao
> Priority: Minor
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4802.001.patch, HDFS-4802.002.patch,
> HDFS-4802.003.patch
>
>
> $ hadoop dfsadmin -allowSnapshot
> /Allowing snaphot on / succeeded
> $ hadoop dfsadmin -disallowSnapshot /
> Disallowing snaphot on / succeeded
> $ hadoop dfsadmin -disallowSnapshot /
> disallowSnapshot: java.io.IOException: java.lang.IllegalStateException: Error
> when removing a snapshottable dir: removed != to-be-removed
> From the logs:
> {noformat}
> INFO org.apache.hadoop.ipc.Server: IPC Server handler 34 on 8020, call
> disallowSnapshot(/) from * error: java.io.IOException:
> java.lang.IllegalStateException: Error when removing a snapshottable dir:
> removed != to-be-removed
> java.io.IOException: java.lang.IllegalStateException: Error when removing a
> snapshottable dir: removed != to-be-removed
> at
> org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager.removeSnapshottable(SnapshotManager.java:126)
> at
> org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager.resetSnapshottable(SnapshotManager.java:159)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.disallowSnapshot(FSNamesystem.java:6779)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.disallowSnapshot(NameNode.java:1545)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1405)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1401)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1399)
> {noformat}
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