[
https://issues.apache.org/jira/browse/HBASE-20552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ted Yu updated HBASE-20552:
---------------------------
Priority: Critical (was: Major)
Description:
This was observed during cluster testing (source code sync'ed with hbase-2.0,
built May 2nd):
{code}
2018-05-02 05:44:10,089 ERROR
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
master.MasterRpcServices: Region server
ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 reported a
fatal error:
***** ABORTING region server
ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474:
org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN, location=ctr-e138-
1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on server=ctr-e138-
1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but state has
otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
at
org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
at
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
... 7 more
*****
Cause:
org.apache.hadoop.hbase.YouAreDeadException:
org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
at
org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
at
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
... 7 more
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
{code}
[~elserj] and I (Ted) did some initial analysis.
In the following description, M1 refers to
master-ctr-e138-1518143905142-279227-01-000005 and M2 refers to
master-ctr-e138-1518143905142-279227-01-000003.
Let's follow region 94f6ca283dbb4445b2bcdc321b734d28 .
Master 1 was moving the region to 000007:
{code}
2018-05-02 05:38:59,017 INFO
[master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1] master.HMaster:
balance hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
2018-05-02 05:38:59,126 DEBUG
[master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1]
procedure2.ProcedureExecutor: Stored pid=465,
state=RUNNABLE:MOVE_REGION_UNASSIGN; MoveRegionProcedure
hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
{code}
Region was closed on 000002:
{code}
2018-05-02 05:38:59,327 INFO
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
regionserver.HRegion: Closed
test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
2018-05-02 05:38:59,327 INFO
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
regionserver.HRegionServer: Adding 94f6ca283dbb4445b2bcdc321b734d28 move to
ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 record at
close sequenceid=13395
2018-05-02 05:38:59,329 DEBUG
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
handler.CloseRegionHandler: Closed
test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
{code}
The master saw the destination crash:
{code}
2018-05-02 05:39:44,792 INFO [main-EventThread] master.RegionServerTracker:
RegionServer ephemeral node deleted, processing expiration
[ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502]
2018-05-02 05:39:44,793 INFO [main-EventThread] master.ServerManager:
Processing expiration of
ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 on
ctr-e138-1518143905142-279227-01-000005.hwx.site,20000,1525238791399
{code}
Processed it:
{code}
2018-05-02 05:39:45,616 DEBUG [PEWorker-16] procedure.ServerCrashProcedure:
Done splitting WALs pid=471, state=RUNNABLE:SERVER_CRASH_SPLIT_LOGS;
ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=true
2018-05-02 05:39:45,620 INFO [PEWorker-16] procedure2.ProcedureExecutor:
Initialized subprocedures=[{pid=474, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=670f6b815d2acac905130e5440d59304}, {pid=475, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28}, {pid=476, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=1595f38ee901be7c67b997fe2fc95951}, {pid=477, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=a0620fc83de532a37f6a9bb8f99cc6c4}, {pid=478, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=e75a388bc2011feed75bdc1a0e99a9a9}, {pid=479, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=c963eb77dbdc6dbab886dbe4eebba5ad}, {pid=480, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=f3db9f9879ed03f488dcb89bea834237}, {pid=481, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=b5180eee96b616afdf79578309c66a11}, {pid=482, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=a6e0d7561c4f19e78f94d37462588281}, {pid=483, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=1d954f21d711345a9587d995cecea136}, {pid=484, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=c078deb2474e9c19b85b5fdb9efaa47d}, {pid=485, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=91f73e76bbe7bc8a61b1b1299d34c6ab}, {pid=486, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=ATLAS_ENTITY_AUDIT_EVENTS, region=8dc6fd2022c2fdf8c065fbd16cadaaca}]
{code}
Master 1 tried to assign the region back on the original RS (that we tried to
move it off of):
{code}
2018-05-02 05:39:46,136 INFO [PEWorker-1]
assignment.RegionTransitionProcedure: Dispatch pid=475, ppid=471,
state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
{code}
Then Master 1 went down, Master 2 picked up the region.
M2 ran a MoveProcedure where it thought region was on 007:
{code}
2018-05-02 05:43:33,876 DEBUG
[master/ctr-e138-1518143905142-279227-01-000003:20000]
procedure2.ProcedureExecutor: Completed pid=465, state=SUCCESS;
MoveRegionProcedure hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
{code}
and assigned region to 007:
{code}
2018-05-02 05:44:08,464 INFO [PEWorker-6] procedure2.ProcedureExecutor:
Initialized subprocedures=[{pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28}]
2018-05-02 05:44:08,472 INFO [PEWorker-6] procedure.MasterProcedureScheduler:
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28 checking lock on
94f6ca283dbb4445b2bcdc321b734d28
2018-05-02 05:44:08,480 INFO [PEWorker-6] assignment.AssignProcedure: Starting
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OFFLINE,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502;
forceNewPlan=false, retain=true
2018-05-02 05:44:08,646 INFO
[master/ctr-e138-1518143905142-279227-01-000003:20000]
balancer.BaseLoadBalancer: Reassigned 1 regions. 1 retained the pre-restart
assignment.
2018-05-02 05:44:08,659 INFO [PEWorker-11] assignment.RegionStateStore:
pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
regionState=OPENING,
regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:08,727 INFO [PEWorker-11]
assignment.RegionTransitionProcedure: Dispatch pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:08,768 INFO
[master/ctr-e138-1518143905142-279227-01-000003:20000] master.HMaster: Master
has completed initialization 41.430sec
2018-05-02 05:44:09,213 DEBUG
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
assignment.RegionTransitionProcedure: Received report OPENED seqId=13402,
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,213 DEBUG [PEWorker-12]
assignment.RegionTransitionProcedure: Finishing pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_FINISH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,214 INFO [PEWorker-12] assignment.RegionStateStore:
pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
regionState=OPEN, openSeqNum=13402,
regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
Finished subprocedure(s) of pid=507, state=RUNNABLE:SERVER_CRASH_HANDLE_RIT2;
ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=false; resume parent processing.
2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
Finished pid=508, ppid=507, state=SUCCESS; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28 in 764msec
2018-05-02 05:44:09,273 INFO [PEWorker-14] procedure2.ProcedureExecutor:
Finished pid=507, state=SUCCESS; ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=false in 975msec
{code}
So when 000002 reported region to master 2, we got the exception.
was:
This was observed during cluster testing (source code sync'ed with hbase-2.0,
built May 2nd):
{code}
2018-05-02 05:44:10,089 ERROR
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
master.MasterRpcServices: Region server
ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 reported a
fatal error:
***** ABORTING region server
ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474:
org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN, location=ctr-e138-
1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on server=ctr-e138-
1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but state has
otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
at
org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
at
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
... 7 more
*****
Cause:
org.apache.hadoop.hbase.YouAreDeadException:
org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
at
org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
at
org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
rit=OPEN,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but
state has otherwise.
at
org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
... 7 more
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
{code}
[~elserj] and I did some initial analysis.
In the following description, M1 refers to
master-ctr-e138-1518143905142-279227-01-000005 and M2 refers to
master-ctr-e138-1518143905142-279227-01-000003.
Let's follow region 94f6ca283dbb4445b2bcdc321b734d28 .
Master 1 was moving the region to 000007:
{code}
2018-05-02 05:38:59,017 INFO
[master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1] master.HMaster:
balance hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
2018-05-02 05:38:59,126 DEBUG
[master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1]
procedure2.ProcedureExecutor: Stored pid=465,
state=RUNNABLE:MOVE_REGION_UNASSIGN; MoveRegionProcedure
hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
{code}
Region was closed on 000002:
{code}
2018-05-02 05:38:59,327 INFO
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
regionserver.HRegion: Closed
test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
2018-05-02 05:38:59,327 INFO
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
regionserver.HRegionServer: Adding 94f6ca283dbb4445b2bcdc321b734d28 move to
ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 record at
close sequenceid=13395
2018-05-02 05:38:59,329 DEBUG
[RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
handler.CloseRegionHandler: Closed
test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
{code}
The master saw the destination crash:
{code}
2018-05-02 05:39:44,792 INFO [main-EventThread] master.RegionServerTracker:
RegionServer ephemeral node deleted, processing expiration
[ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502]
2018-05-02 05:39:44,793 INFO [main-EventThread] master.ServerManager:
Processing expiration of
ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 on
ctr-e138-1518143905142-279227-01-000005.hwx.site,20000,1525238791399
{code}
Processed it:
{code}
2018-05-02 05:39:45,616 DEBUG [PEWorker-16] procedure.ServerCrashProcedure:
Done splitting WALs pid=471, state=RUNNABLE:SERVER_CRASH_SPLIT_LOGS;
ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=true
2018-05-02 05:39:45,620 INFO [PEWorker-16] procedure2.ProcedureExecutor:
Initialized subprocedures=[{pid=474, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=670f6b815d2acac905130e5440d59304}, {pid=475, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28}, {pid=476, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=1595f38ee901be7c67b997fe2fc95951}, {pid=477, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=a0620fc83de532a37f6a9bb8f99cc6c4}, {pid=478, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=e75a388bc2011feed75bdc1a0e99a9a9}, {pid=479, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=c963eb77dbdc6dbab886dbe4eebba5ad}, {pid=480, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=f3db9f9879ed03f488dcb89bea834237}, {pid=481, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=b5180eee96b616afdf79578309c66a11}, {pid=482, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=a6e0d7561c4f19e78f94d37462588281}, {pid=483, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=1d954f21d711345a9587d995cecea136}, {pid=484, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=c078deb2474e9c19b85b5fdb9efaa47d}, {pid=485, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_namenode,
region=91f73e76bbe7bc8a61b1b1299d34c6ab}, {pid=486, ppid=471,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=ATLAS_ENTITY_AUDIT_EVENTS, region=8dc6fd2022c2fdf8c065fbd16cadaaca}]
{code}
Master 1 tried to assign the region back on the original RS (that we tried to
move it off of):
{code}
2018-05-02 05:39:46,136 INFO [PEWorker-1]
assignment.RegionTransitionProcedure: Dispatch pid=475, ppid=471,
state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
{code}
Then Master 1 went down, Master 2 picked up the region.
M2 ran a MoveProcedure where it thought region was on 007:
{code}
2018-05-02 05:43:33,876 DEBUG
[master/ctr-e138-1518143905142-279227-01-000003:20000]
procedure2.ProcedureExecutor: Completed pid=465, state=SUCCESS;
MoveRegionProcedure hri=94f6ca283dbb4445b2bcdc321b734d28,
source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
{code}
and assigned region to 007:
{code}
2018-05-02 05:44:08,464 INFO [PEWorker-6] procedure2.ProcedureExecutor:
Initialized subprocedures=[{pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28}]
2018-05-02 05:44:08,472 INFO [PEWorker-6] procedure.MasterProcedureScheduler:
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28 checking lock on
94f6ca283dbb4445b2bcdc321b734d28
2018-05-02 05:44:08,480 INFO [PEWorker-6] assignment.AssignProcedure: Starting
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OFFLINE,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502;
forceNewPlan=false, retain=true
2018-05-02 05:44:08,646 INFO
[master/ctr-e138-1518143905142-279227-01-000003:20000]
balancer.BaseLoadBalancer: Reassigned 1 regions. 1 retained the pre-restart
assignment.
2018-05-02 05:44:08,659 INFO [PEWorker-11] assignment.RegionStateStore:
pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
regionState=OPENING,
regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:08,727 INFO [PEWorker-11]
assignment.RegionTransitionProcedure: Dispatch pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:08,768 INFO
[master/ctr-e138-1518143905142-279227-01-000003:20000] master.HMaster: Master
has completed initialization 41.430sec
2018-05-02 05:44:09,213 DEBUG
[RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
assignment.RegionTransitionProcedure: Received report OPENED seqId=13402,
pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,213 DEBUG [PEWorker-12]
assignment.RegionTransitionProcedure: Finishing pid=508, ppid=507,
state=RUNNABLE:REGION_TRANSITION_FINISH; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,214 INFO [PEWorker-12] assignment.RegionStateStore:
pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
regionState=OPEN, openSeqNum=13402,
regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
Finished subprocedure(s) of pid=507, state=RUNNABLE:SERVER_CRASH_HANDLE_RIT2;
ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=false; resume parent processing.
2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
Finished pid=508, ppid=507, state=SUCCESS; AssignProcedure
table=test_hbase_ha_load_test_tool_hbase,
region=94f6ca283dbb4445b2bcdc321b734d28 in 764msec
2018-05-02 05:44:09,273 INFO [PEWorker-14] procedure2.ProcedureExecutor:
Finished pid=507, state=SUCCESS; ServerCrashProcedure
server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
splitWal=true, meta=false in 975msec
{code}
So when 000002 reported region to master 2, we got the exception.
> HBase RegionServer was shutdown due to UnexpectedStateException
> ---------------------------------------------------------------
>
> Key: HBASE-20552
> URL: https://issues.apache.org/jira/browse/HBASE-20552
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Romil Choksi
> Priority: Critical
>
> This was observed during cluster testing (source code sync'ed with hbase-2.0,
> built May 2nd):
> {code}
> 2018-05-02 05:44:10,089 ERROR
> [RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
> master.MasterRpcServices: Region server
> ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474 reported
> a fatal error:
> ***** ABORTING region server
> ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474:
> org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN, location=ctr-e138-
> 1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on server=ctr-e138-
> 1518143905142-279227-01-000002.hwx.site,16020,1525239334474 but state has
> otherwise.
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
> rit=OPEN,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
> server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
> but state has otherwise.
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
> ... 7 more
> *****
> Cause:
> org.apache.hadoop.hbase.YouAreDeadException:
> org.apache.hadoop.hbase.YouAreDeadException: rit=OPEN,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
> server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
> but state has otherwise.
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1065)
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.reportOnlineRegions(AssignmentManager.java:987)
> at
> org.apache.hadoop.hbase.master.MasterRpcServices.regionServerReport(MasterRpcServices.java:459)
> at
> org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:13118)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:409)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:131)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> Caused by: org.apache.hadoop.hbase.exceptions.UnexpectedStateException:
> rit=OPEN,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353,
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28reported OPEN on
> server=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
> but state has otherwise.
> at
> org.apache.hadoop.hbase.master.assignment.AssignmentManager.checkOnlineRegionsReport(AssignmentManager.java:1037)
> ... 7 more
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> {code}
> [~elserj] and I (Ted) did some initial analysis.
> In the following description, M1 refers to
> master-ctr-e138-1518143905142-279227-01-000005 and M2 refers to
> master-ctr-e138-1518143905142-279227-01-000003.
> Let's follow region 94f6ca283dbb4445b2bcdc321b734d28 .
> Master 1 was moving the region to 000007:
> {code}
> 2018-05-02 05:38:59,017 INFO
> [master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1]
> master.HMaster: balance hri=94f6ca283dbb4445b2bcdc321b734d28,
> source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
> destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
> 2018-05-02 05:38:59,126 DEBUG
> [master/ctr-e138-1518143905142-279227-01-000005:20000.Chore.1]
> procedure2.ProcedureExecutor: Stored pid=465,
> state=RUNNABLE:MOVE_REGION_UNASSIGN; MoveRegionProcedure
> hri=94f6ca283dbb4445b2bcdc321b734d28,
> source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
> destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
> {code}
> Region was closed on 000002:
> {code}
> 2018-05-02 05:38:59,327 INFO
> [RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
> regionserver.HRegion: Closed
> test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
> 2018-05-02 05:38:59,327 INFO
> [RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
> regionserver.HRegionServer: Adding 94f6ca283dbb4445b2bcdc321b734d28 move to
> ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 record
> at close sequenceid=13395
> 2018-05-02 05:38:59,329 DEBUG
> [RS_CLOSE_REGION-regionserver/ctr-e138-1518143905142-279227-01-000002:16020-1]
> handler.CloseRegionHandler: Closed
> test_hbase_ha_load_test_tool_hbase,1eb851e9,1525238855422.94f6ca283dbb4445b2bcdc321b734d28.
> {code}
> The master saw the destination crash:
> {code}
> 2018-05-02 05:39:44,792 INFO [main-EventThread] master.RegionServerTracker:
> RegionServer ephemeral node deleted, processing expiration
> [ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502]
> 2018-05-02 05:39:44,793 INFO [main-EventThread] master.ServerManager:
> Processing expiration of
> ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502 on
> ctr-e138-1518143905142-279227-01-000005.hwx.site,20000,1525238791399
> {code}
> Processed it:
> {code}
> 2018-05-02 05:39:45,616 DEBUG [PEWorker-16] procedure.ServerCrashProcedure:
> Done splitting WALs pid=471, state=RUNNABLE:SERVER_CRASH_SPLIT_LOGS;
> ServerCrashProcedure
> server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
> splitWal=true, meta=true
> 2018-05-02 05:39:45,620 INFO [PEWorker-16] procedure2.ProcedureExecutor:
> Initialized subprocedures=[{pid=474, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=670f6b815d2acac905130e5440d59304}, {pid=475, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28}, {pid=476, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=1595f38ee901be7c67b997fe2fc95951}, {pid=477, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=a0620fc83de532a37f6a9bb8f99cc6c4}, {pid=478, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=e75a388bc2011feed75bdc1a0e99a9a9}, {pid=479, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=c963eb77dbdc6dbab886dbe4eebba5ad}, {pid=480, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=f3db9f9879ed03f488dcb89bea834237}, {pid=481, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=b5180eee96b616afdf79578309c66a11}, {pid=482, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=a6e0d7561c4f19e78f94d37462588281}, {pid=483, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=1d954f21d711345a9587d995cecea136}, {pid=484, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=c078deb2474e9c19b85b5fdb9efaa47d}, {pid=485, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_namenode,
> region=91f73e76bbe7bc8a61b1b1299d34c6ab}, {pid=486, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=ATLAS_ENTITY_AUDIT_EVENTS, region=8dc6fd2022c2fdf8c065fbd16cadaaca}]
> {code}
> Master 1 tried to assign the region back on the original RS (that we tried to
> move it off of):
> {code}
> 2018-05-02 05:39:46,136 INFO [PEWorker-1]
> assignment.RegionTransitionProcedure: Dispatch pid=475, ppid=471,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
> location=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474
> {code}
> Then Master 1 went down, Master 2 picked up the region.
> M2 ran a MoveProcedure where it thought region was on 007:
> {code}
> 2018-05-02 05:43:33,876 DEBUG
> [master/ctr-e138-1518143905142-279227-01-000003:20000]
> procedure2.ProcedureExecutor: Completed pid=465, state=SUCCESS;
> MoveRegionProcedure hri=94f6ca283dbb4445b2bcdc321b734d28,
> source=ctr-e138-1518143905142-279227-01-000002.hwx.site,16020,1525239334474,
> destination=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502
> {code}
> and assigned region to 007:
> {code}
> 2018-05-02 05:44:08,464 INFO [PEWorker-6] procedure2.ProcedureExecutor:
> Initialized subprocedures=[{pid=508, ppid=507,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28}]
> 2018-05-02 05:44:08,472 INFO [PEWorker-6]
> procedure.MasterProcedureScheduler: pid=508, ppid=507,
> state=RUNNABLE:REGION_TRANSITION_QUEUE; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28 checking lock on
> 94f6ca283dbb4445b2bcdc321b734d28
> 2018-05-02 05:44:08,480 INFO [PEWorker-6] assignment.AssignProcedure:
> Starting pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_QUEUE;
> AssignProcedure table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28; rit=OFFLINE,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502;
> forceNewPlan=false, retain=true
> 2018-05-02 05:44:08,646 INFO
> [master/ctr-e138-1518143905142-279227-01-000003:20000]
> balancer.BaseLoadBalancer: Reassigned 1 regions. 1 retained the pre-restart
> assignment.
> 2018-05-02 05:44:08,659 INFO [PEWorker-11] assignment.RegionStateStore:
> pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
> regionState=OPENING,
> regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
> 2018-05-02 05:44:08,727 INFO [PEWorker-11]
> assignment.RegionTransitionProcedure: Dispatch pid=508, ppid=507,
> state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
> 2018-05-02 05:44:08,768 INFO
> [master/ctr-e138-1518143905142-279227-01-000003:20000] master.HMaster: Master
> has completed initialization 41.430sec
> 2018-05-02 05:44:09,213 DEBUG
> [RpcServer.default.FPBQ.Fifo.handler=28,queue=1,port=20000]
> assignment.RegionTransitionProcedure: Received report OPENED seqId=13402,
> pid=508, ppid=507, state=RUNNABLE:REGION_TRANSITION_DISPATCH; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
> 2018-05-02 05:44:09,213 DEBUG [PEWorker-12]
> assignment.RegionTransitionProcedure: Finishing pid=508, ppid=507,
> state=RUNNABLE:REGION_TRANSITION_FINISH; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28; rit=OPENING,
> location=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
> 2018-05-02 05:44:09,214 INFO [PEWorker-12] assignment.RegionStateStore:
> pid=508 updating hbase:meta row=94f6ca283dbb4445b2bcdc321b734d28,
> regionState=OPEN, openSeqNum=13402,
> regionLocation=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525239609353
> 2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
> Finished subprocedure(s) of pid=507, state=RUNNABLE:SERVER_CRASH_HANDLE_RIT2;
> ServerCrashProcedure
> server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
> splitWal=true, meta=false; resume parent processing.
> 2018-05-02 05:44:09,258 INFO [PEWorker-12] procedure2.ProcedureExecutor:
> Finished pid=508, ppid=507, state=SUCCESS; AssignProcedure
> table=test_hbase_ha_load_test_tool_hbase,
> region=94f6ca283dbb4445b2bcdc321b734d28 in 764msec
> 2018-05-02 05:44:09,273 INFO [PEWorker-14] procedure2.ProcedureExecutor:
> Finished pid=507, state=SUCCESS; ServerCrashProcedure
> server=ctr-e138-1518143905142-279227-01-000007.hwx.site,16020,1525238558502,
> splitWal=true, meta=false in 975msec
> {code}
> So when 000002 reported region to master 2, we got the exception.
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