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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3489) Improve error message when tserver fails to acquire zlock
Date Fri, 16 Jan 2015 18:17:34 GMT
Josh Elser created ACCUMULO-3489:
------------------------------------

             Summary: Improve error message when tserver fails to acquire zlock
                 Key: ACCUMULO-3489
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3489
             Project: Accumulo
          Issue Type: Improvement
          Components: tserver
            Reporter: Josh Elser
            Assignee: Josh Elser
            Priority: Minor
             Fix For: 1.7.0


In #accumulo on freenode, championofcyrod1 had an issue where a tabletserver failed to start
because it got a NoAuthException trying to create its znode for the zk lock.

{noformat}
org.apache.zookeeper.KeeperException$NoAuthException: KeeperErrorCode = NoAuth for /accumulo/217cf566-e487-4f48-a333-659e1634baf0/tservers/172.16.0.52:9997
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:113)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
        at org.apache.accumulo.fate.zookeeper.ZooUtil.putData(ZooUtil.java:146)
        at org.apache.accumulo.fate.zookeeper.ZooUtil.putPersistentData(ZooUtil.java:126)
        at org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putPersistentData(ZooReaderWriter.java:79)
        at org.apache.accumulo.server.tabletserver.TabletServer.announceExistence(TabletServer.java:2697)
        at org.apache.accumulo.server.tabletserver.TabletServer.run(TabletServer.java:2762)
        at org.apache.accumulo.server.tabletserver.TabletServer.main(TabletServer.java:3262)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at org.apache.accumulo.start.Main$1.run(Main.java:107)
        at java.lang.Thread.run(Thread.java:745)
2015-01-16 12:54:27,841 [tabletserver.TabletServer] ERROR: Uncaught exception in TabletServer.main,
exiting
java.lang.RuntimeException: org.apache.zookeeper.KeeperException$NoAuthException: KeeperErrorCode
= NoAuth for /accumulo/217cf566-e487-4f48-a333-659e1634baf0/tservers/172.16.0.52:9997
        at org.apache.accumulo.server.tabletserver.TabletServer.announceExistence(TabletServer.java:2743)
        at org.apache.accumulo.server.tabletserver.TabletServer.run(TabletServer.java:2762)
        at org.apache.accumulo.server.tabletserver.TabletServer.main(TabletServer.java:3262)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at org.apache.accumulo.start.Main$1.run(Main.java:107)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.zookeeper.KeeperException$NoAuthException: KeeperErrorCode = NoAuth
for /accumulo/217cf566-e487-4f48-a333-659e1634baf0/tservers/172.16.0.52:9997
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:113)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
        at org.apache.accumulo.fate.zookeeper.ZooUtil.putData(ZooUtil.java:146)
        at org.apache.accumulo.fate.zookeeper.ZooUtil.putPersistentData(ZooUtil.java:126)
        at org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putPersistentData(ZooReaderWriter.java:79)
        at org.apache.accumulo.server.tabletserver.TabletServer.announceExistence(TabletServer.java:2697)
{noformat}

If the tserver gets a NoAuthException, we can be fairly certain that there is a configuration
mismatch on this node (specifically {{instance.secret}}) and can give a better error message
as to solution.



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