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https://issues.apache.org/jira/browse/HBASE-5351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215887#comment-13215887
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Hadoop QA commented on HBASE-5351:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12515962/HBASE-5351-v1.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 javadoc. The javadoc tool appears to have generated -131 warning
messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
-1 findbugs. The patch appears to introduce 155 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:
org.apache.hadoop.hbase.replication.TestReplication
org.apache.hadoop.hbase.mapreduce.TestImportTsv
org.apache.hadoop.hbase.mapred.TestTableMapReduce
org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/1044//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/1044//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/1044//console
This message is automatically generated.
> hbase completebulkload to a new table fails in a race
> -----------------------------------------------------
>
> Key: HBASE-5351
> URL: https://issues.apache.org/jira/browse/HBASE-5351
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Gregory Chanan
> Assignee: Gregory Chanan
> Attachments: HBASE-5351-v1.patch, HBASE-5351.patch
>
>
> I have a test that tests vanilla use of importtsv with importtsv.bulk.output
> option followed by completebulkload to a new table.
> This sometimes fails as follows:
> 11/12/19 15:02:39 WARN client.HConnectionManager$HConnectionImplementation:
> Encountered problems when prefetch META table:
> org.apache.hadoop.hbase.TableNotFoundException: Cannot find row in .META. for
> table: ml_items_copy, row=ml_items_copy,,99999999999999
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:157)
> at org.apache.hadoop.hbase.client.MetaScanner.access$000(MetaScanner.java:52)
> at org.apache.hadoop.hbase.client.MetaScanner$1.connect(MetaScanner.java:130)
> at org.apache.hadoop.hbase.client.MetaScanner$1.connect(MetaScanner.java:127)
> at
> org.apache.hadoop.hbase.client.HConnectionManager.execute(HConnectionManager.java:359)
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:127)
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:103)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.prefetchRegionCache(HConnectionManager.java:875)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:929)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:817)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:781)
> at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:247)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:211)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.createTable(LoadIncrementalHFiles.java:673)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.run(LoadIncrementalHFiles.java:697)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:83)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.main(LoadIncrementalHFiles.java:707)
> The race appears to be calling HbAdmin.createTableAsync(htd, keys) and then
> creating an HTable object before that call has actually completed.
> The following change to
> /src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java
> appears to fix the problem, but I have not been able to reproduce the race
> reliably, in order to write a test.
> {code}
> - HTable table = new HTable(this.cfg, tableName);
> -
> - HConnection conn = table.getConnection();
> int ctr = 0;
> - while (!conn.isTableAvailable(table.getTableName()) &&
> (ctr<TABLE_CREATE_MA
> + while (!this.hbAdmin.isTableAvailable(tableName) &&
> (ctr<TABLE_CREATE_MAX_R
> {code}
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