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https://issues.apache.org/jira/browse/HBASE-3251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Purtell resolved HBASE-3251.
-----------------------------------
Resolution: Not a Problem
No progress on issue
> HConnectionManager.listTables() doesn't return broken tables
> ------------------------------------------------------------
>
> Key: HBASE-3251
> URL: https://issues.apache.org/jira/browse/HBASE-3251
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.20.6
> Reporter: Ted Yu
>
> We saw this in our integration test log - packageindex table was 'broekn':
> {code}
> 2010-11-19 05:12:42,216 Thread-20 ERROR [StripedHBaseTable] Could not create
> packageindex
> org.apache.hadoop.hbase.TableExistsException:
> org.apache.hadoop.hbase.TableExistsException: packageindex
> at org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:799)
> at org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:763)
> at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
> ...
> 2010-11-19 05:12:42,218 Thread-20 INFO [HBasePackageIndexTableMapperNew]
> Creating table packageindex - Done
> 2010-11-19 05:12:42,235 Thread-20 INFO [CodecPool] Got brand-new decompressor
> 2010-11-19 05:12:42,262 Thread-20 INFO [HBasePackageIndexTableMapperNew]
> OnClose called
> 2010-11-19 05:12:42,263 Thread-20 WARN [LocalJobRunner] job_local_0001
> org.apache.hadoop.hbase.TableNotFoundException: packageindex
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:698)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:634)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:601)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:134)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:112)
> {code}
> In HConnectionManager.listTables():
> {code}
> byte[] value = result.getValue(CATALOG_FAMILY,
> REGIONINFO_QUALIFIER);
> HRegionInfo info = null;
> if (value != null) {
> info = Writables.getHRegionInfo(value);
> }
> // Only examine the rows where the startKey is zero length
> if (info != null && info.getStartKey().length == 0) {
> uniqueTables.add(info.getTableDesc());
> }
> {code}
> For a broken table, there would be a row in .META (see below). but the table
> wouldn't be included in uniqueTables.
> We need a way for listTables() to mark the broken table and return it so that
> master.jsp can show the table in prominent way.
> {code}
> packageindex,E70888DD48276D column=info:regioninfo, timestamp=1290188566363,
> value=REGION => {NAME => 'packag
> FAD4D26FEB08DC7045,12901630
> eindex,E70888DD48276DFAD4D26FEB08DC7045,1290163034864', STARTKEY =>
> 'E70888DD4827
> 34864 6DFAD4D26FEB08DC7045', ENDKEY =>
> 'E83A8362462AF0D097810F96ED7103C2', ENCODED => 2
> 080544777, OFFLINE => true, TABLE => {{NAME =>
> 'packageindex', FAMILIES => [{NAME
> => 'i', COMPRESSION => 'GZ', VERSIONS => '1',
> TTL => '31536000', BLOCKSIZE => '6
> 5536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME => 'u', COMPRESSION =>
> 'GZ', VERSIONS => '1', TTL => '31536000',
> BLOCKSIZE => '65536', IN_MEMORY => 'fal
> se', BLOCKCACHE => 'true'}]}}
> {code}
> Here is what led to broken table in our cluster.
> 2010-11-19 12:49:23,067 main INFO [PackageIndexTableTest]
> [10:57am] tyu: Deleting packageindex content ...
> From hbase-hadoop-regionserver-us01-ciqps1-grid05.ciq.com.log:
> {code}
> 2010-11-19 12:49:41,119 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Caches flushed, doing commit now (which includes update scanners)
> 2010-11-19 12:49:41,121 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Finished memstore flush of ~16.0k for region .META.,,1 in 83ms, sequence
> id=48465684, compaction requested=true
> 2010-11-19 12:49:41,121 DEBUG
> org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction requested
> for region .META.,,1/1028785192 because:
> regionserver/10.202.50.105:60020.cacheFlusher
> 2010-11-19 12:54:11,353 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner
> 6416258050001207387 lease expired
> 2010-11-19 12:54:11,353 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
> Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB
> (168881432), Max=794.60004MB (833198528), Counts: Blocks=75276,
> Access=90464772, Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113,
> Ratios: Hit Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
> Evicted/Run=9554.5634765625
> 2010-11-19 12:54:11,353 WARN org.apache.hadoop.hbase.util.Sleeper: We slept
> 269945ms, ten times longer than scheduled: 10000
> 2010-11-19 12:54:11,353 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
> Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB
> (168881432), Max=794.60004MB (833198528), Counts: Blocks=75276,
> Access=90464772, Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113,
> Ratios: Hit Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
> Evicted/Run=9554.5634765625
> 2010-11-19 12:54:11,353 INFO
> org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner
> -1270857692790249130 lease expired
> 2010-11-19 12:54:11,354 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
> Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB
> (168881432), Max=794.60004MB (833198528), Counts: Blocks=75276,
> Access=90464772, Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113,
> Ratios: Hit Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
> Evicted/Run=9554.5634765625
> ...
> 2010-11-19 12:54:11,354 WARN org.apache.zookeeper.ClientCnxn: Exception
> closing session 0x12c520945433100 to sun.nio.ch.SelectionKeyImpl@78317d11
> java.io.IOException: TIMED OUT
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
> 2010-11-19 12:54:11,391 WARN org.apache.zookeeper.ClientCnxn: Exception
> closing session 0x12c520945432f46 to sun.nio.ch.SelectionKeyImpl@727d3468
> java.io.IOException: TIMED OUT
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
> 2010-11-19 12:54:11,354 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer:
> org.apache.hadoop.hbase.UnknownScannerException: Name: 6416258050001207387 on
> us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
> at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
> 2010-11-19 12:54:11,354 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer:
> org.apache.hadoop.hbase.UnknownScannerException: Name: -1270857692790249130
> on us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1873)
> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
> 2010-11-19 12:54:11,354 WARN
> org.apache.hadoop.hbase.regionserver.HRegionServer: unable to report to
> master for 270306 milliseconds - retrying
> 2010-11-19 12:54:11,415 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server
> handler 16 on 60020, call next(6416258050001207387, 100) from
> 10.202.36.42:37477: error: org.apache.hadoop.hbase.UnknownScannerException:
> Name: 6416258050001207387 on
> us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
> org.apache.hadoop.hbase.UnknownScannerException: Name: 6416258050001207387 on
> us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
> at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
> ...
> {code}
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