[jira] [Created] (ZOOKEEPER-2019) Unhandled exception when setting invalid limits data in /zookeeper/quota/some/path/zookeeper_limits

[Raul Gutierrez Segales (JIRA)]

Raul Gutierrez Segales created ZOOKEEPER-2019:
-------------------------------------------------

             Summary: Unhandled exception when setting invalid limits data in 
/zookeeper/quota/some/path/zookeeper_limits 
                 Key: ZOOKEEPER-2019
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2019
             Project: ZooKeeper
          Issue Type: Bug
          Components: server
            Reporter: Raul Gutierrez Segales
            Assignee: Raul Gutierrez Segales
             Fix For: 3.5.0


If you have quotas properly set for a given path, i.e.:

{noformat}
create /zookeeper/quota/test/zookeeper_limits 'count=1,bytes=100'
create /zookeeper/quota/test/zookeeper_stats 'count=1,bytes=100'
{noformat}

and then you update the limits znode with bogus data, i.e.:

{noformat}
set /zookeeper/quota/test/zookeeper_limits ''
{noformat}

you'll crash the cluster because IllegalArgumentException isn't handled when 
dealing with quotas znodes:

https://github.com/apache/zookeeper/blob/ZOOKEEPER-823/src/java/main/org/apache/zookeeper/server/DataTree.java#L379
https://github.com/apache/zookeeper/blob/ZOOKEEPER-823/src/java/main/org/apache/zookeeper/server/DataTree.java#L425

We should handle IllegalArgumentException. Optionally, we should also throw 
BadArgumentsException from PrepRequestProcessor. 



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