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Hadoop QA commented on HADOOP-8549: ----------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12534668/HADOOP-8549.patch against trunk revision . +1 @author. The patch does not contain any @author tags. +1 tests included. The patch appears to include 1 new or modified test files. +1 javac. The applied patch does not increase the total number of javac compiler warnings. +1 javadoc. The javadoc tool did not generate any warning messages. +1 eclipse:eclipse. The patch built with eclipse:eclipse. +1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9) warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. -1 core tests. The patch failed these unit tests in hadoop-common-project/hadoop-common: org.apache.hadoop.ha.TestZKFailoverController org.apache.hadoop.io.file.tfile.TestTFileByteArrays org.apache.hadoop.io.file.tfile.TestTFileJClassComparatorByteArrays +1 contrib tests. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/1164//testReport/ Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/1164//console This message is automatically generated. > Allow other implementation's of java.util.Map in MapWritable > ------------------------------------------------------------ > > Key: HADOOP-8549 > URL: https://issues.apache.org/jira/browse/HADOOP-8549 > Project: Hadoop Common > Issue Type: Improvement > Components: io > Affects Versions: 2.0.0-alpha > Reporter: madhukara phatak > Assignee: madhukara phatak > Priority: Minor > Attachments: HADOOP-8549.patch > > > Current implementation of MapWritable uses HashMap as Map implementation. But > in some of the use cases we need other implementations of Map like > LinkedHashMap,SortedMap.This jira changes visibility of 'instance' in > MapWritable from private to protected which allows us to inject custom Map > implementation through sub classing MapWritable . -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira