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https://issues.apache.org/jira/browse/HADOOP-2718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563619#action_12563619
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Hadoop QA commented on HADOOP-2718:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12374212/conf.patch
against trunk revision 615723.
@author +1. The patch does not contain any @author tags.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new javac compiler
warnings.
release audit +1. The applied patch does not generate any new release
audit warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
contrib tests +1. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1699/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1699/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1699/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1699/console
This message is automatically generated.
> Copy Constructor HBaseConfiguration(Configuration) will override hbase
> configurations if argumant is not an instance of HBaseConfiguration.
> -------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-2718
> URL: https://issues.apache.org/jira/browse/HADOOP-2718
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: Clint Morgan
> Priority: Blocker
> Fix For: 0.16.0
>
> Attachments: conf.patch
>
>
> Copy Constructor HBaseConfiguration(Configuration) will override hbase
> settings from the argument if the arg is not an instance of
> HBaseConfiguration.
> This was happening to me when I was passing around hbase settings as
> part of a Table Map/Reduce job configuration.
> Observer the following unexpected behavior:
> JobConf jobConf = new JobConf("job.xml");
> HBaseConfiguration hbaseConf = new HBaseConfiguration(jobConf);
> String result1 = jobConf.get("hbase.master"); // Value from job.xml loaded
> by tasktracker
> String result2 = hbaseConf.get("hbase.master"); // Value from hbase-site.xml
> Assert.assertEquals(result1, result2); // Fail
> In particular, this copy constructor is called in
> hbase.mapred.TableInputFormat.configure(JobConf).
> I have a hbase.master defined in my JobConf that gets overridden in the
> HbaseConfiguration by hbase-site.xml.
> Should the Constructor instead add new hbase-specific values if they are not
> already defined in the Configuration parameter?
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