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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/11/10 00:26:32 UTC
[jira] Created: (HBASE-1965) On restart of branch, master complains
about not being able to set safe mode
On restart of branch, master complains about not being able to set safe mode
----------------------------------------------------------------------------
Key: HBASE-1965
URL: https://issues.apache.org/jira/browse/HBASE-1965
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
A few fellows have reported this issue. I see it myself if I restart the cluster. You'll see:
{code}
ZooKeeperWrapper: Failed to create out of safe mode in ZooKeeper: org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/safe-mode
{code}
... over and over again in master log.
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[jira] Commented: (HBASE-1965) On restart of branch, master
complains about not being able to set safe mode
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12775187#action_12775187 ]
stack commented on HBASE-1965:
------------------------------
Here's a hack patch:
{code}
Index: src/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWrapper.java
===================================================================
--- src/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWrapper.java (revision 833622)
+++ src/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWrapper.java (working copy)
@@ -501,6 +501,11 @@
LOG.warn("Failed to create out of safe mode in ZooKeeper: " + e);
} catch (KeeperException e) {
LOG.warn("Failed to create out of safe mode in ZooKeeper: " + e);
+ if (e.getMessage().contains("KeeperErrorCode = NodeExists")) {
+ LOG.info("Node exists; just move on");
+ return true;
+ }
+
}
{code}
It does this:
{code}
2009-11-09 23:23:37,868 [IPC Server handler 8 on 60001] WARN org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to create out of safe mode in ZooKeeper: org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/safe-mode
2009-11-09 23:23:37,868 [IPC Server handler 8 on 60001] INFO org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Node exists; just move on
{code}
Seems to work.
This is for branch only. Safe-mode is gone in TRUNK
> On restart of branch, master complains about not being able to set safe mode
> ----------------------------------------------------------------------------
>
> Key: HBASE-1965
> URL: https://issues.apache.org/jira/browse/HBASE-1965
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
>
> A few fellows have reported this issue. I see it myself if I restart the cluster. You'll see:
> {code}
> ZooKeeperWrapper: Failed to create out of safe mode in ZooKeeper: org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/safe-mode
> {code}
> ... over and over again in master log.
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[jira] Resolved: (HBASE-1965) On restart of branch, master
complains about not being able to set safe mode
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HBASE-1965.
--------------------------
Resolution: Fixed
Fix Version/s: 0.20.2
Assignee: stack
Applied to branch. Thanks for review Andrew.
> On restart of branch, master complains about not being able to set safe mode
> ----------------------------------------------------------------------------
>
> Key: HBASE-1965
> URL: https://issues.apache.org/jira/browse/HBASE-1965
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.20.2
>
>
> A few fellows have reported this issue. I see it myself if I restart the cluster. You'll see:
> {code}
> ZooKeeperWrapper: Failed to create out of safe mode in ZooKeeper: org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/safe-mode
> {code}
> ... over and over again in master log.
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[jira] Commented: (HBASE-1965) On restart of branch, master
complains about not being able to set safe mode
Posted by "Andrew Purtell (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12775436#action_12775436 ]
Andrew Purtell commented on HBASE-1965:
---------------------------------------
+1
seems reasonable
> On restart of branch, master complains about not being able to set safe mode
> ----------------------------------------------------------------------------
>
> Key: HBASE-1965
> URL: https://issues.apache.org/jira/browse/HBASE-1965
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
>
> A few fellows have reported this issue. I see it myself if I restart the cluster. You'll see:
> {code}
> ZooKeeperWrapper: Failed to create out of safe mode in ZooKeeper: org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /hbase/safe-mode
> {code}
> ... over and over again in master log.
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