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https://issues.apache.org/jira/browse/HBASE-13945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595856#comment-14595856
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Hadoop QA commented on HBASE-13945:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12740998/HBASE-13945_0.98.patch
against 0.98 branch at commit f9b17bfd37624374904ec15b9b1300fe4ae0d8c7.
ATTACHMENT ID: 12740998
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 4 new
or modified tests.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.1 2.5.2 2.6.0)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated
24 warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) 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:green}+1 site{color}. The mvn post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.io.encoding.TestDataBlockEncoders
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/14498//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14498//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/14498//artifact/patchprocess/checkstyle-aggregate.html
Javadoc warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/14498//artifact/patchprocess/patchJavadocWarnings.txt
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/14498//console
This message is automatically generated.
> Prefix_Tree seekBefore() does not work correctly
> ------------------------------------------------
>
> Key: HBASE-13945
> URL: https://issues.apache.org/jira/browse/HBASE-13945
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.0.0, 0.98.2, 1.0.1, 1.1.0, 1.0.1.1, 1.1.0.1
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.98.14, 1.0.2, 1.2.0, 1.1.1, 1.1.2, 1.3.0, 1.2.1
>
> Attachments: HBASE-13945_0.98.patch, HBASE-13945_0.98_1.patch,
> HBASE-13945_branch-1.1.patch, HBASE-13945_trunk.patch
>
>
> This is related to the TestSeekTo test case where the seekBefore() does not
> work with Prefix_Tree because of an issue in getFirstKeyInBlock(). In the
> trunk and branch-1 changing the return type of getFirstKeyInBlock() from BB
> to Cell resolved the problem, but the same cannot be done in 0.98. Hence we
> need a change in the KvUtil.copyToNewBuffer API to handle this. Since the
> limit is made as the position - in seekBefore when we do
> {code}
> byte[] firstKeyInCurrentBlock = Bytes.getBytes(firstKey);
> {code}
> in HFileReaderV2.seekBefore() we end up in an empty byte array and it would
> not be the expected one based on which we try to seek to load a new block.
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