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https://issues.apache.org/jira/browse/HBASE-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557900#comment-13557900
]
Hadoop QA commented on HBASE-3170:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12565622/3170-1.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified tests.
{color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop
2.0 profile.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 findbugs{color}. The patch appears to introduce 1 new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.TestCheckTestClasses
org.apache.hadoop.hbase.regionserver.TestScanWithBloomError
org.apache.hadoop.hbase.regionserver.TestStoreFile
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/4099//console
This message is automatically generated.
> RegionServer confused about empty row keys
> ------------------------------------------
>
> Key: HBASE-3170
> URL: https://issues.apache.org/jira/browse/HBASE-3170
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.89.20100621, 0.89.20100924, 0.90.0, 0.90.1, 0.90.2,
> 0.90.3, 0.90.4, 0.90.5, 0.90.6, 0.92.0, 0.92.1
> Reporter: Benoit Sigoure
> Assignee: Devaraj Das
> Priority: Critical
> Fix For: 0.96.0
>
> Attachments: 3170-1.patch
>
>
> I'm no longer sure about the expected behavior when using an empty row key
> (e.g. a 0-byte long byte array). I assumed that this was a legitimate row
> key, just like having an empty column qualifier is allowed. But it seems
> that the RegionServer considers the empty row key to be whatever the first
> row key is.
> {code}
> Version: 0.89.20100830, r0da2890b242584a8a5648d83532742ca7243346b, Sat Sep 18
> 15:30:09 PDT 2010
> hbase(main):001:0> scan 'tsdb-uid', {LIMIT => 1}
> ROW COLUMN+CELL
>
> \x00 column=id:metrics, timestamp=1288375187699,
> value=foo
> \x00 column=id:tagk, timestamp=1287522021046,
> value=bar
> \x00 column=id:tagv, timestamp=1288111387685,
> value=qux
> 1 row(s) in 0.4610 seconds
> hbase(main):002:0> get 'tsdb-uid', ''
> COLUMN CELL
>
> id:metrics timestamp=1288375187699, value=foo
>
> id:tagk timestamp=1287522021046, value=bar
>
> id:tagv timestamp=1288111387685, value=qux
>
> 3 row(s) in 0.0910 seconds
> hbase(main):003:0> get 'tsdb-uid', "\000"
> COLUMN CELL
>
> id:metrics timestamp=1288375187699, value=foo
>
> id:tagk timestamp=1287522021046, value=bar
>
> id:tagv timestamp=1288111387685, value=qux
>
> 3 row(s) in 0.0550 seconds
> {code}
> This isn't a parsing problem with the command-line of the shell. I can
> reproduce this behavior both with plain Java code and with my asynchbase
> client.
> Since I don't actually have a row with an empty row key, I expected that the
> first {{get}} would return nothing.
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