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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1785) [HBase] TableInputFormat.TableRecordReader.next has a bug
Date Tue, 28 Aug 2007 04:07:30 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack updated HADOOP-1785:

    Attachment: TableInputFormat.take4.patch

Add in missing file.  Below is list of changes:

HADOOP-1785 TableInputFormat.TableRecordReader.next has a bug
M  src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestTableMapReduce.java
    (localTestSingleRegionTable, localTestMultiRegionTable, verify): Added.
M  src/contrib/hbase/src/test/org/apache/hadoop/hbase/HBaseTestCase.java
    Javadoc for addContents and Loader interface and implementations.
    Methods have been made static so accessible w/o subclassing.
M  src/contrib/hbase/src/test/org/apache/hadoop/hbase/MultiRegionTable.java
    Guts of TestSplit has been moved here so other tests can have
    access to a multiregion table.
M  src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestSplit.java
    Bulk moved to MultiRegionTable utility class.  Use this new class
M  src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java
    Added '@deprecated' javadoc.
M src/contrib/hbase/src/java/org/apache/hadoop/hbase/HMaster.java
    Was throwing RuntimeException when a msgQueue.put was interrupted
    but this is a likely event on shutdown.  Log a message instead.
M  src/contrib/hbase/src/java/org/apache/hadoop/hbase/mapred/TableInputFormat.java
    Actually fix for HADOOP-1785... reverse test of row comparison.

> [HBase] TableInputFormat.TableRecordReader.next has a bug
> ---------------------------------------------------------
>                 Key: HADOOP-1785
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1785
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: Ning Li
>            Assignee: Jim Kellerman
>            Priority: Minor
>         Attachments: TableInputFormat.patch, TableInputFormat.take2.patch, TableInputFormat.take3.patch,
> TableInputFormat.TableRecordReader.next has the following:
>   if (m_endRow.getLength() > 0 && (tKey.getRow().compareTo(m_endRow) <
>           hasMore = false;
> It should be:
>   if (m_endRow.getLength() > 0 && (tKey.getRow().compareTo(m_endRow) >=
>           hasMore = false;
> TestTableMapReduce test passes because it tested map-reduce on a single-region table.
> The problem only shows on a multi-region table. The patch includes changes to TestTableMapReduce
> so map-reduce is tested on a multi-region table as well. The multi-region table is created
> in a similar way as done in TestSplit.

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