[ 
https://issues.apache.org/jira/browse/CASSANDRA-13020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Stefan Podkowinski updated CASSANDRA-13020:
-------------------------------------------
       Resolution: Fixed
    Fix Version/s: 4.0
                   3.11.0
                   3.0.13
           Status: Resolved  (was: Ready to Commit)

Thanks for the ping! 
Merged as 2e36eb6ca38dd018e7ef0cda61d43ec9a7eb144c

> Hint delivery fails when prefer_local enabled
> ---------------------------------------------
>
>                 Key: CASSANDRA-13020
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13020
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Streaming and Messaging
>         Environment: v3.0.9
>            Reporter: Aleksandr Ivanov
>            Assignee: Stefan Podkowinski
>              Labels: decommission, hints
>             Fix For: 3.0.13, 3.11.0, 4.0
>
>
> I tried to decommission one node.
> Node sent all data to another node and got stuck in LEAVING state.
> Log message shows Exception in HintsDispatcher thread.
> Could it be reason of stuck in LEAVING state?
> command output:
> {noformat}
> root@cas-node6:~# time nodetool decommission
> error: null
> -- StackTrace --
> java.lang.NullPointerException
>         at 
> java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1106)
>         at 
> java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1097)
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:203)
>         at 
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
>         at 
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
>         at 
> java.util.concurrent.ConcurrentHashMap$ValueSpliterator.forEachRemaining(ConcurrentHashMap.java:3566)
>         at 
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
>         at 
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
>         at 
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
>         at 
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
>         at 
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
>         at 
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$TransferHintsTask.transfer(HintsDispatchExecutor.java:168)
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$TransferHintsTask.run(HintsDispatchExecutor.java:141)
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> real    147m7.483s
> user    0m17.388s
> sys     0m1.968s
> {noformat}
> nodetool netstats:
> {noformat}
> root@cas-node6:~# nodetool netstats
> Mode: LEAVING
> Not sending any streams.
> Read Repair Statistics:
> Attempted: 35082
> Mismatch (Blocking): 18
> Mismatch (Background): 0
> Pool Name                    Active   Pending      Completed   Dropped
> Large messages                  n/a         1              0         0
> Small messages                  n/a         0       16109860       112
> Gossip messages                 n/a         0         287074         0
> {noformat}
> Log:
> {noformat}
> INFO  [RMI TCP Connection(58)-127.0.0.1] 2016-12-07 12:52:59,467 
> StorageService.java:1170 - LEAVING: sleeping 30000 ms for batch processing 
> and pending range setup
> INFO  [RMI TCP Connection(58)-127.0.0.1] 2016-12-07 12:53:39,455 
> StorageService.java:1170 - LEAVING: replaying batch log and streaming data to 
> other nodes
> INFO  [RMI TCP Connection(58)-127.0.0.1] 2016-12-07 12:53:39,910 
> StreamResultFuture.java:87 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Executing streaming plan for Unbootstrap
> INFO  [StreamConnectionEstablisher:1] 2016-12-07 12:53:39,911 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.17
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,911 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:3] 2016-12-07 12:53:39,912 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,912 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [RMI TCP Connection(58)-127.0.0.1] 2016-12-07 12:53:39,912 
> StorageService.java:1170 - LEAVING: streaming hints to other nodes
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,912 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.10 is complete
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,912 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.11 is complete
> INFO  [StreamConnectionEstablisher:3] 2016-12-07 12:53:39,912 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.12 is complete
> INFO  [StreamConnectionEstablisher:5] 2016-12-07 12:53:39,912 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.13
> INFO  [StreamConnectionEstablisher:6] 2016-12-07 12:53:39,912 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:8] 2016-12-07 12:53:39,912 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.14
> INFO  [RMI TCP Connection(58)-127.0.0.1] 2016-12-07 12:53:39,913 
> HintsService.java:218 - Resumed hints dispatch
> INFO  [StreamConnectionEstablisher:7] 2016-12-07 12:53:39,913 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.15
> INFO  [StreamConnectionEstablisher:6] 2016-12-07 12:53:39,914 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.16 is complete
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,914 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.10
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,914 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.11
> INFO  [StreamConnectionEstablisher:3] 2016-12-07 12:53:39,914 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.12
> INFO  [StreamConnectionEstablisher:6] 2016-12-07 12:53:39,917 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.16
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,917 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,917 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:6] 2016-12-07 12:53:39,917 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.18
> INFO  [StreamConnectionEstablisher:3] 2016-12-07 12:53:39,917 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.19
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,917 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.20 is complete
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,917 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.21 is complete
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,920 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.20
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,920 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.21
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,920 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:4] 2016-12-07 12:53:39,920 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.22
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.23 is complete
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.23
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.24 is complete
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.24
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,921 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,922 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.25 is complete
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,922 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.25
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:39,922 
> StreamSession.java:239 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Starting streaming to /10.10.10.26 through /192.168.101.70
> INFO  [HintsDispatcher:1] 2016-12-07 12:53:39,926 
> HintsDispatchExecutor.java:140 - Transferring all hints to null
> ERROR [HintsDispatcher:1] 2016-12-07 12:53:39,928 CassandraDaemon.java:205 - 
> Exception in thread Thread[HintsDispatcher:1,1,main]
> java.lang.NullPointerException: null
>         at 
> java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1106)
>  ~[na:1.8.0_92]
>         at 
> java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1097) 
> ~[na:1.8.0_92]
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:203)
>  ~[apache-cassandra-3.0.9.jar:3.0.9]
>         at 
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) 
> ~[na:1.8.0_92]
>         at 
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) 
> ~[na:1.8.0_92]
>         at 
> java.util.concurrent.ConcurrentHashMap$ValueSpliterator.forEachRemaining(ConcurrentHashMap.java:3566)
>  ~[na:1.8.0_92]
>         at 
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) 
> ~[na:1.8.0_92]
>         at 
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) 
> ~[na:1.8.0_92]
>         at 
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) 
> ~[na:1.8.0_92]
>         at 
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
>  ~[na:1.8.0_92]
>         at 
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) 
> ~[na:1.8.0_92]
>         at 
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) 
> ~[na:1.8.0_92]
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$TransferHintsTask.transfer(HintsDispatchExecutor.java:168)
>  ~[apache-cassandra-3.0.9.jar:3.0.9]
>         at 
> org.apache.cassandra.hints.HintsDispatchExecutor$TransferHintsTask.run(HintsDispatchExecutor.java:141)
>  ~[apache-cassandra-3.0.9.jar:3.0.9]
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_92]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> ~[na:1.8.0_92]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  ~[na:1.8.0_92]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_92]
>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_92]
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:40,093 
> StreamResultFuture.java:169 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb 
> ID#0] Prepare completed. Receiving 0 files(0 bytes), sending 2 files(
> 133006 bytes)
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:40,097 
> StreamCoordinator.java:213 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb, 
> ID#0] Beginning stream session with /10.10.10.26
> INFO  [StreamConnectionEstablisher:2] 2016-12-07 12:53:40,097 
> StreamSession.java:232 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session does not have any tasks.
> ...
> INFO  [IndexSummaryManager:1] 2016-12-07 14:51:44,761 
> IndexSummaryRedistribution.java:74 - Redistributing index summaries
> INFO  [STREAM-IN-/10.10.10.27] 2016-12-07 15:20:06,006 
> StreamResultFuture.java:183 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> Session with /10.10.10.27 is complete
> INFO  [STREAM-IN-/10.10.10.27] 2016-12-07 15:20:06,007 
> StreamResultFuture.java:215 - [Stream #2cc874c0-bc7c-11e6-b0df-e7f1ecd3dcfb] 
> All sessions completed
> {noformat}
> all real IPs replaced with IPs from 10.10.10.x network in log



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