ddupg opened a new pull request #3806:
URL: https://github.com/apache/hbase/pull/3806
Failed to add a peer replicating to non-HBase(like MQ) by implementing
custom ReplicationEndpoint, got exception like this in my UT:
```
2021-10-29T15:14:47,632 INFO [RPCClient-NioEventLoopGroup-5-3]
client.RawAsyncHBaseAdmin$ReplicationProcedureBiConsumer(2761): Operation:
ADD_REPLICATION_PEER, peerId: 1 failed with Invalid cluster key: , should not
replicate to itself for
HBaseInterClusterReplicationEndpoint2021-10-29T15:14:47,632 INFO
[RPCClient-NioEventLoopGroup-5-3]
client.RawAsyncHBaseAdmin$ReplicationProcedureBiConsumer(2761): Operation:
ADD_REPLICATION_PEER, peerId: 1 failed with Invalid cluster key: , should not
replicate to itself for HBaseInterClusterReplicationEndpoint
org.apache.hadoop.hbase.DoNotRetryIOException: Invalid cluster key: , should
not replicate to itself for HBaseInterClusterReplicationEndpoint
at java.lang.Thread.getStackTrace(Thread.java:1559)
at
org.apache.hadoop.hbase.util.FutureUtils.setStackTrace(FutureUtils.java:130)
at org.apache.hadoop.hbase.util.FutureUtils.rethrow(FutureUtils.java:149)
at org.apache.hadoop.hbase.util.FutureUtils.get(FutureUtils.java:186)
at org.apache.hadoop.hbase.client.Admin.addReplicationPeer(Admin.java:1948)
at org.apache.hadoop.hbase.client.Admin.addReplicationPeer(Admin.java:1936)
at
org.apache.hadoop.hbase.replication.TestNonHBaseReplicationEndpoint.test(TestNonHBaseReplicationEndpoint.java:97)
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:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.apache.hadoop.hbase.SystemExitRule$1.evaluate(SystemExitRule.java:38)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
at --------Future.get--------(Unknown Source)
at
org.apache.hadoop.hbase.master.replication.ReplicationPeerManager.checkClusterId(ReplicationPeerManager.java:527)
at
org.apache.hadoop.hbase.master.replication.ReplicationPeerManager.checkPeerConfig(ReplicationPeerManager.java:367)
at
org.apache.hadoop.hbase.master.replication.ReplicationPeerManager.preAddPeer(ReplicationPeerManager.java:123)
at
org.apache.hadoop.hbase.master.replication.AddPeerProcedure.prePeerModification(AddPeerProcedure.java:101)
at
org.apache.hadoop.hbase.master.replication.ModifyPeerProcedure.executeFromState(ModifyPeerProcedure.java:162)
at
org.apache.hadoop.hbase.master.replication.ModifyPeerProcedure.executeFromState(ModifyPeerProcedure.java:43)
at
org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:190)
at
org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:953)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1667)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1414)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$1100(ProcedureExecutor.java:78)
at
org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1981)
```
HBASE-24743 ignored this situation and introduced this bug.
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