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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-4415) Tracer requires instance.secret
Date Thu, 18 Aug 2016 22:26:20 GMT
Christopher Tubbs created ACCUMULO-4415:
-------------------------------------------

             Summary: Tracer requires instance.secret
                 Key: ACCUMULO-4415
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4415
             Project: Accumulo
          Issue Type: Bug
            Reporter: Christopher Tubbs


Tracer incorrectly uses instance.secret for its /tracers area in ZooKeeper.

The tracer does not use the Accumulo system credentials, and instead uses a specific tracer
username and password. It should also not use the instance.secret (which is for the system
credentials).

A side effect of this bug is that ChangeSecret does not update the /tracers ACLs in ZooKeeper,
preventing the tracer from working entirely after the instance.secret is changed.

The following error will be seen in the monitor after the ChangeSecret tool is run.

{code}
Thread 'tracer' died.
	org.apache.zookeeper.KeeperException$NoAuthException: KeeperErrorCode = NoAuth for /tracers/trace-
		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.putEphemeralSequential(ZooUtil.java:464)
		at org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putEphemeralSequential(ZooReaderWriter.java:99)
		at org.apache.accumulo.tracer.TraceServer.registerInZooKeeper(TraceServer.java:318)
		at org.apache.accumulo.tracer.TraceServer.<init>(TraceServer.java:255)
		at org.apache.accumulo.tracer.TraceServer.main(TraceServer.java:360)
		at org.apache.accumulo.tracer.TracerExecutable.execute(TracerExecutable.java:33)
		at org.apache.accumulo.start.Main$1.run(Main.java:120)
		at java.lang.Thread.run(Thread.java:745)
{code}

This affects at least the current 1.8 branch (1.8.0-SNAPSHOT), but I haven't checked earlier
versions.



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