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From "Steven Pine (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-601) Cannot create or delete tables via Java after upgrade to accumulo 1.4
Date Tue, 22 May 2012 22:12:40 GMT


Steven Pine commented on ACCUMULO-601:

I think I found the problem. After turning on trace level logging I found that the code (while
hanging on the create command) was repeatedly 
Indicating that "Found master at <host name only>:9999 and throwing a "
<host name only>

I don't believe my java code on the workstation is able to resolve <host name only>
to the fully qualified host name. Causing the hanging I am seeing. 

My next questions are how do I get around this: 

1. Is the entry I found in Zookeeper wrong as <host name only>:9999. Should it be <Fully
Qualified Hostname>:9999 ?
2. Is there something else I need to do? 
3. What is the best approach to work around this issue (and what are the implications if any)?
> Cannot create or delete tables via Java after upgrade to accumulo 1.4
> ---------------------------------------------------------------------
>                 Key: ACCUMULO-601
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.4.0
>         Environment: Cloud was upgraded from Cloudbase 1.3.4 to Accumulo 1.3.5 and then
upgraded to accumulo 1.4.0. Hadoop version is 0.20.2r911707
>            Reporter: Steven Pine
>            Assignee: Billie Rinaldi
> After upgrade I am unable to create or delete a table via java using either the 
> conn.tableOperations().delete(tableName); 
> and/or 
> conn.tableOperations().create(tableName);
> The error presents itself by hanging the code when it executes this line in the code.

> Important:
> Table scans via java are working fine.
> Table mutations via java also work fine. 
> The same user account can create and deleted the table via accumulo shell. 
> The cause of the code hanging cannot be determined further since there is nothing in
the Eclipse logs or Server logs that provide any more information. 
> I can verify that the connection to Zookeeper completes successfully... however there
is no indication after that on the Server side that a call is being made to Accumulo to create/delete
the table.

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