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From "Josh Elser (JIRA)" <>
Subject [jira] [Updated] (ACCUMULO-3925) Remove unnecessary warning messages from FATE ops
Date Mon, 29 Jun 2015 17:29:05 GMT


Josh Elser updated ACCUMULO-3925:
    Status: Patch Available  (was: Open)

Patch wraps "expected" exceptions in a special exception that the Fate runnable can observe
and not log a warning. This preserves the original transition to failed semantics of the fate

Also changes the log levels on the warnings for failed validator since the exception should
be sent back to the client. It's not a system-level warning.

> Remove unnecessary warning messages from FATE ops
> -------------------------------------------------
>                 Key: ACCUMULO-3925
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: fate
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Minor
>             Fix For: 1.8.0
>         Attachments: ACCUMULO-3925.patch
> {noformat}
> Failed to execute Repo, tid=76367ba00e847e10
>     ThriftTableOperationException(tableId:null, tableName:ctt_000, op:CREATE, type:EXISTS,
>         at org.apache.accumulo.master.tableOps.Utils.checkTableDoesNotExist(
>         at
>         at
>         at
>         at org.apache.accumulo.fate.Fate$
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(
>         at java.util.concurrent.ThreadPoolExecutor$
>         at
>         at 
> {noformat}
> {noformat}
> Cannot move tables to a new namespace by renaming. The namespace for nspc_000.ctt_002
does not match ctt_001 
> {noformat}
> Lots of WARN messages seen during randomwalk that aren't system-level warning messages.
They are perfectly normal and expected. We should not be putting a warning to the monitor
for this messages. The exception thrown back to the client is sufficient.

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