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https://issues.apache.org/jira/browse/HBASE-6588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437972#comment-13437972
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Zhihong Ted Yu edited comment on HBASE-6588 at 8/21/12 3:17 AM:
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For patch v5, if you look at
https://builds.apache.org/job/PreCommit-HBASE-Build/2623/console, you can see
that compilation failed for hadoop 2.0 profile.
I got the following error compiling against hadoop 2.0, locally:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:2.0.2:testCompile
(default-testCompile) on project hbase-server: Compilation failure: Compilation
failure:
[ERROR]
/home/zhihyu/trunk-hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAdmin.java:[849,16]
cannot find symbol
[ERROR] symbol : class RegionState
[ERROR] location: class org.apache.hadoop.hbase.client.TestAdmin
[ERROR]
[ERROR]
/home/zhihyu/trunk-hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAdmin.java:[854,29]
cannot find symbol
[ERROR] symbol : class RegionState
[ERROR] location: class org.apache.hadoop.hbase.client.TestAdmin
{code}
was (Author: [email protected]):
For patch v5, if you look at
https://builds.apache.org/job/PreCommit-HBASE-Build/2623/console, you can see
that compilation failed for hadoop 2.0 profile.
I got the following error compiling against hadoop 2.0, locally:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile)
on project hbase-server: Compilation failure: Compilation failure:
[ERROR]
/home/zhihyu/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java:[722,50]
cannot find symbol
[ERROR] symbol : variable COMPACTION_KV_MAX
[ERROR] location: class org.apache.hadoop.hbase.HConstants
[ERROR]
[ERROR]
/home/zhihyu/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java:[3578,36]
cannot find symbol
[ERROR] symbol : method isInternal()
[ERROR] location: class org.apache.hadoop.hbase.KeyValue
[ERROR]
[ERROR]
/home/zhihyu/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Compactor.java:[113,53]
cannot find symbol
[ERROR] symbol : variable COMPACTION_KV_MAX
[ERROR] location: class org.apache.hadoop.hbase.HConstants
{code}
> enable table throws npe and leaves trash in zk in competition with delete
> table
> -------------------------------------------------------------------------------
>
> Key: HBASE-6588
> URL: https://issues.apache.org/jira/browse/HBASE-6588
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.0
> Reporter: Zhou wenjian
> Assignee: Zhou wenjian
> Fix For: 0.94.2
>
> Attachments: HBASE-6588-trunk.patch, HBASE-6588-trunk-v2.patch,
> HBASE-6588-trunk-v3.patch, HBASE-6588-trunk-v4.patch,
> HBASE-6588-trunk-v5.patch
>
>
> 2012-08-15 19:23:36,178 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Creating scanner over .META. starting at key 'test,,'
> 2012-08-15 19:23:36,178 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Advancing internal scanner to startKey at 'test,,'
> 2012-08-15 19:24:09,180 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Creating scanner over .META. starting at key ''
> 2012-08-15 19:24:09,180 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Advancing internal scanner to startKey at ''
> 2012-08-15 19:24:09,183 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Finished with scanning at {NAME => '.META.,,1', STARTKEY => '', ENDKEY => '',
> ENCODED => 1028785192,}
> 2012-08-15 19:24:09,183 DEBUG org.apache.hadoop.hbase.master.CatalogJanitor:
> Scanned 2 catalog row(s) and gc'd 0 unreferenced parent region(s)
> 2012-08-15 19:25:12,260 DEBUG
> org.apache.hadoop.hbase.master.handler.DeleteTableHandler: Deleting region
> test,,1345029764571.d1e24b251ca6286c840a9a5f571b7db1. from META and FS
> 2012-08-15 19:25:12,263 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted region test,,1345029764571.d1e24b251ca6286c840a9a5f571b7db1. from META
> 2012-08-15 19:25:12,265 INFO
> org.apache.hadoop.hbase.master.handler.EnableTableHandler: Attemping to
> enable the table test
> 2012-08-15 19:25:12,265 WARN org.apache.hadoop.hbase.zookeeper.ZKTable:
> Moving table test state to enabling but was not first in disabled state: null
> 2012-08-15 19:25:12,267 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Creating scanner over .META. starting at key 'test,,'
> 2012-08-15 19:25:12,267 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Advancing internal scanner to startKey at 'test,,'
> 2012-08-15 19:25:12,270 DEBUG org.apache.hadoop.hbase.client.ClientScanner:
> Finished with scanning at {NAME => '.META.,,1', STARTKEY => '', ENDKEY => '',
> ENCODED => 1028785192,}
> 2012-08-15 19:25:12,270 ERROR org.apache.hadoop.hbase.executor.EventHandler:
> Caught throwable while processing event C_M_ENABLE_TABLE
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.master.handler.EnableTableHandler.handleEnableTable(EnableTableHandler.java:116)
> at
> org.apache.hadoop.hbase.master.handler.EnableTableHandler.process(EnableTableHandler.java:97)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:169)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> table is disabled now, then we enable and delete the table at the same time.
> Since the thread num of MASTER_TABLE_OPERATIONS is 1 by default. The two
> operations are serial in master.Before deletetable deletes all the regions in
> meta, CreateTableHandler ships the check of tableExists,then it will block
> until deletetable finishs, then CreateTableHandler will set zk enabling, and
> find no data in meta:
> regionsInMeta = MetaReader.getTableRegions(this.ct, tableName, true);
> int countOfRegionsInTable = regionsInMeta.size();
> npe will be throwed here. And we could not create the same table anymore.
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