Duo Zhang created HBASE-22328:
---------------------------------

             Summary: NPE in RegionReplicaReplicationEndpoint
                 Key: HBASE-22328
                 URL: https://issues.apache.org/jira/browse/HBASE-22328
             Project: HBase
          Issue Type: Sub-task
            Reporter: Duo Zhang


{noformat}
2019-04-29 22:29:01,414 ERROR [Time-limited test] util.FutureUtils(72): 
Unexpected error caught when processing CompletableFuture
java.lang.NullPointerException
        at 
org.apache.hadoop.hbase.replication.regionserver.RegionReplicaReplicationEndpoint.replicate(RegionReplicaReplicationEndpoint.java:205)
        at 
org.apache.hadoop.hbase.replication.regionserver.RegionReplicaReplicationEndpoint.lambda$2(RegionReplicaReplicationEndpoint.java:247)
        at 
org.apache.hadoop.hbase.util.FutureUtils.lambda$0(FutureUtils.java:70)
        at 
java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
        at 
java.util.concurrent.CompletableFuture.uniWhenCompleteStage(CompletableFuture.java:778)
        at 
java.util.concurrent.CompletableFuture.whenComplete(CompletableFuture.java:2140)
        at 
org.apache.hadoop.hbase.util.FutureUtils.addListener(FutureUtils.java:63)
        at 
org.apache.hadoop.hbase.replication.regionserver.RegionReplicaReplicationEndpoint.replicate(RegionReplicaReplicationEndpoint.java:243)
        at 
org.apache.hadoop.hbase.replication.regionserver.RegionReplicaReplicationEndpoint.replicate(RegionReplicaReplicationEndpoint.java:301)
        at 
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpoint.testRegionReplicaReplicationIgnores(TestRegionReplicaReplicationEndpoint.java:449)
        at 
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpoint.testRegionReplicaReplicationIgnoresDisabledTables(TestRegionReplicaReplicationEndpoint.java:373)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at 
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
        at 
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.lang.Thread.run(Thread.java:748)
{noformat}



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