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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2011/04/26 21:55:03 UTC
[jira] [Commented] (HBASE-3823) NPE in ZKAssign.transitionNode
[ https://issues.apache.org/jira/browse/HBASE-3823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025399#comment-13025399 ]
stack commented on HBASE-3823:
------------------------------
Is this HBASE-3627 (fixed in 0.90.2)?
> NPE in ZKAssign.transitionNode
> ------------------------------
>
> Key: HBASE-3823
> URL: https://issues.apache.org/jira/browse/HBASE-3823
> Project: HBase
> Issue Type: Bug
> Reporter: Prakash Khemani
>
> This issue led to a region being multiply assigned.
> hbck output
> ERROR: Region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. is listed in META on region server pumahbase107.snc5.facebook.com:60020 but is multiply assigned to region servers pumahbase150.snc5.facebook.com:60020, pumahbase107.snc5.facebook.com:60020
> ===
> 2011-04-25 09:11:36,844 ERROR org.apache.hadoop.hbase.executor.EventHandler: Caught throwable while processing event M_RS_OPEN_REGION
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:75)
> at org.apache.hadoop.hbase.executor.RegionTransitionData.fromBytes(RegionTransitionData.java:198)
> at org.apache.hadoop.hbase.zookeeper.ZKAssign.transitionNode(ZKAssign.java:672)
> at org.apache.hadoop.hbase.zookeeper.ZKAssign.transitionNodeOpened(ZKAssign.java:621)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:168)
> at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:151)
> 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:619)
> byte [] existingBytes =
> ZKUtil.getDataNoWatch(zkw, node, stat);
> RegionTransitionData existingData =
> RegionTransitionData.fromBytes(existingBytes);
> existingBytes can be null. have to return -1 if null.
> ===
> master logs
> 2011-04-25 05:24:03,250 DEBUG org.apache.hadoop.hbase.regionserver.wal.HLogSplitter: Creating writer path=hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/recovered.edits/0000000057528037047 region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:09:19,246 INFO org.apache.hadoop.hbase.regionserver.wal.HLogSplitter: Closed path hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/recovered.edits/0000000057528037047 (wrote 4342690 edits in 46904ms)
> 2011-04-25 09:09:26,134 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x32f7bb74e8a0000 Creating (or updating) unassigned node for e7a478b4bd164525052f1dedb832de0a with OFFLINE state
> 2011-04-25 09:09:26,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: No previous transition plan was found (or we are ignoring an existing plan) for realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. so generated a random one; hri=realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a., src=, dest=pumahbase107.snc5.facebook.com,60020,1303450731227; 70 (online=70, exclude=null) available servers
> 2011-04-25 09:09:26,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Assigning region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. to pumahbase107.snc5.facebook.com,60020,1303450731227
> 2011-04-25 09:09:26,139 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:09:44,045 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:09:59,050 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:10:14,054 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:10:29,055 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:10:44,060 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:10:59,062 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:10:59,388 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase107.snc5.facebook.com,60020,1303450731227, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:11:33,411 INFO org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition timed out: realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. state=OPENING, ts=1303747859386
> 2011-04-25 09:11:33,411 INFO org.apache.hadoop.hbase.master.AssignmentManager: Region has been OPENING for too long, reassigning region=realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.
> 2011-04-25 09:11:33,412 INFO org.apache.hadoop.hbase.master.AssignmentManager: Successfully transitioned region=realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. into OFFLINE and forcing a new assignment
> 2011-04-25 09:11:33,412 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: No previous transition plan was found (or we are ignoring an existing plan) for realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. so generated a random one; hri=realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a., src=, dest=pumahbase150.snc5.facebook.com,60020,1303450731207; 70 (online=70, exclude=null) available servers
> 2011-04-25 09:11:33,413 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Assigning region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. to pumahbase150.snc5.facebook.com,60020,1303450731207
> 2011-04-25 09:11:33,414 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=M_ZK_REGION_OFFLINE, server=pumahbase162.snc5.facebook.com:60000, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:11:33,416 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase150.snc5.facebook.com,60020,1303450731207, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:11:33,825 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENING, server=pumahbase150.snc5.facebook.com,60020,1303450731207, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:11:36,804 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_OPENED, server=pumahbase150.snc5.facebook.com,60020,1303450731207, region=e7a478b4bd164525052f1dedb832de0a
> 2011-04-25 09:11:36,804 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED event for e7a478b4bd164525052f1dedb832de0a; deleting unassigned node
> 2011-04-25 09:11:36,804 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x32f7bb74e8a0000 Deleting existing unassigned node for e7a478b4bd164525052f1dedb832de0a that is in expected state RS_ZK_REGION_OPENED
> 2011-04-25 09:11:36,805 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: master:60000-0x32f7bb74e8a0000 Successfully deleted unassigned node for region e7a478b4bd164525052f1dedb832de0a in expected state RS_ZK_REGION_OPENED
> 2011-04-25 09:11:36,805 DEBUG org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Opened region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. on pumahbase150.snc5.facebook.com,60020,1303450731207
> ===
> region server log
> 2011-04-25 09:09:26,136 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Received request to open region: realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.
> 2011-04-25 09:09:26,136 DEBUG org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Processing open of realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.
> 2011-04-25 09:09:26,136 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from M_ZK_REGION_OFFLINE to RS_ZK_REGION_OPENING
> 2011-04-25 09:09:26,138 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from M_ZK_REGION_OFFLINE to RS_ZK_REGION_OPENING
> 2011-04-25 09:09:26,139 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Opening region: REGION => {NAME => 'realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.', STARTKEY => 'afffffbe', ENDKEY => 'b040ebdbf81a3750f0eaa71842ff09dagr.insomnia li 294576344998', ENCODED => e7a478b4bd164525052f1dedb832de0a, TABLE => {{NAME => 'realtime_domain_imps_urls', FAMILIES => [{NAME => 'COUNTERS_0', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'LZO', VERSIONS => '1', TTL => '2147483647', BLOCKSIZE => '16384', IN_MEMORY => 'false', BLOCKCACHE => 'true'}, {NAME => 'COUNTERS_3600', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'LZO', VERSIONS => '1', TTL => '172800', BLOCKSIZE => '16384', IN_MEMORY => 'false', BLOCKCACHE => 'true'}, {NAME => 'COUNTERS_86400', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'LZO', VERSIONS => '1', TTL => '2592000', BLOCKSIZE => '16384', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]}}
> 2011-04-25 09:09:26,140 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Instantiated realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.
> 2011-04-25 09:09:26,140 INFO org.apache.hadoop.hbase.regionserver.logger.HRegionLogger: HRegionLogger for region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a., category nectar_titan_hbase_updates
> 2011-04-25 09:09:26,190 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_0/87cf11f68701404b862d631ba3d20213, isReference=false, isBulkLoadResult=false, seqid=58137870275, majorCompaction=false
> 2011-04-25 09:09:28,572 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_0/c58d9a33653a4e5e966c426b33a57598, isReference=false, isBulkLoadResult=false, seqid=57847795298, majorCompaction=true
> 2011-04-25 09:09:28,796 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_3600/1bc513e915b741d59d4f113c273e67d4, isReference=false, isBulkLoadResult=false, seqid=58137870275, majorCompaction=false
> 2011-04-25 09:09:28,826 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_3600/5a50b17f3ad045368229680414987ae7, isReference=false, isBulkLoadResult=false, seqid=57847795298, majorCompaction=true
> 2011-04-25 09:09:28,850 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_86400/23648dce8d4243c5b804c0e766f5a235, isReference=false, isBulkLoadResult=false, seqid=58137870275, majorCompaction=false
> 2011-04-25 09:09:29,016 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_86400/d6820d86715049c087fa5c3f4355f2fc, isReference=false, isBulkLoadResult=false, seqid=57847795298, majorCompaction=true
> 2011-04-25 09:09:29,017 INFO org.apache.hadoop.hbase.regionserver.HRegion: Replaying edits from hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/recovered.edits/0000000057528037047; minSequenceid=58137870275
> 2011-04-25 09:09:44,041 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:09:44,044 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:09:59,046 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:09:59,050 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:14,050 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:29,055 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:44,056 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:44,059 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:59,057 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:59,062 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:59,154 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Started memstore flush for realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a., current region memstore size 18.9m; wal is null, using passed sequenceid=58140219688
> 2011-04-25 09:10:59,277 INFO org.apache.hadoop.hbase.regionserver.Store: Flushed , sequenceid=58140219688, memsize=12.4m, into tmp file hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/a1df4f1ac37a4c7fbf4067f3bcff49a5
> 2011-04-25 09:10:59,312 INFO org.apache.hadoop.hbase.regionserver.Store: Flushed , sequenceid=58140219688, memsize=3.2m, into tmp file hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/eefd1540ca644f06b251201894ef5dd8
> 2011-04-25 09:10:59,357 INFO org.apache.hadoop.hbase.regionserver.Store: Flushed , sequenceid=58140219688, memsize=3.2m, into tmp file hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/83c87fcdbf7147ceac873a1e97e2990f
> 2011-04-25 09:10:59,357 INFO org.apache.hadoop.hbase.regionserver.Store: Renaming flushed file at hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/a1df4f1ac37a4c7fbf4067f3bcff49a5 to hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_0/a1df4f1ac37a4c7fbf4067f3bcff49a5
> 2011-04-25 09:10:59,372 INFO org.apache.hadoop.hbase.regionserver.Store: Added hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_0/a1df4f1ac37a4c7fbf4067f3bcff49a5, entries=45626, sequenceid=58140219688, filesize=549.1k
> 2011-04-25 09:10:59,372 INFO org.apache.hadoop.hbase.regionserver.Store: Renaming flushed file at hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/eefd1540ca644f06b251201894ef5dd8 to hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_3600/eefd1540ca644f06b251201894ef5dd8
> 2011-04-25 09:10:59,375 INFO org.apache.hadoop.hbase.regionserver.Store: Added hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_3600/eefd1540ca644f06b251201894ef5dd8, entries=11411, sequenceid=58140219688, filesize=167.9k
> 2011-04-25 09:10:59,375 INFO org.apache.hadoop.hbase.regionserver.Store: Renaming flushed file at hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/.tmp/83c87fcdbf7147ceac873a1e97e2990f to hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_86400/83c87fcdbf7147ceac873a1e97e2990f
> 2011-04-25 09:10:59,378 INFO org.apache.hadoop.hbase.regionserver.Store: Added hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/COUNTERS_86400/83c87fcdbf7147ceac873a1e97e2990f, entries=11404, sequenceid=58140219688, filesize=161.5k
> 2011-04-25 09:10:59,378 INFO org.apache.hadoop.hbase.regionserver.HRegion: Finished memstore flush of ~18.9m for region realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. in 224ms, sequenceid=58140219688, compaction requested=true; wal=null
> 2011-04-25 09:10:59,385 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Deleted recovered.edits file=hdfs://pumahbase002-snc5-dfs.data.facebook.com:9000/PUMAHBASE002-SNC5-HBASE/realtime_domain_imps_urls/e7a478b4bd164525052f1dedb832de0a/recovered.edits/0000000057528037047
> 2011-04-25 09:10:59,385 INFO org.apache.hadoop.hbase.regionserver.HRegion: Onlined realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a.; next sequenceid=58140219689
> 2011-04-25 09:10:59,385 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:10:59,388 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Successfully transitioned node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENING
> 2011-04-25 09:11:36,843 INFO org.apache.hadoop.hbase.catalog.MetaEditor: Updated row realtime_domain_imps_urls,afffffbe,1295556905482.e7a478b4bd164525052f1dedb832de0a. in region .META.,,1 with server=pumahbase107.snc5.facebook.com:60020, startcode=1303450731227
> 2011-04-25 09:11:36,843 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: regionserver:60020-0x22f7bb74e8e000a Attempting to transition node e7a478b4bd164525052f1dedb832de0a from RS_ZK_REGION_OPENING to RS_ZK_REGION_OPENED
> java.lang.NullPointerException
> ===
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