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https://issues.apache.org/jira/browse/HBASE-26898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Duo Zhang resolved HBASE-26898.
-------------------------------
Fix Version/s: (was: 3.0.0-alpha-2)
Resolution: Duplicate
> Cannot rebuild a cluster from an existing root directory
> --------------------------------------------------------
>
> Key: HBASE-26898
> URL: https://issues.apache.org/jira/browse/HBASE-26898
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 3.0.0-alpha-2
> Reporter: Liangjun He
> Assignee: Liangjun He
> Priority: Major
>
> When I tested to rebuild an HBase cluster, and the rootdir was configured as
> a existed directory (the directory was generated by another HBase cluster of
> the same version), I found the following error message：
> {code:java}
> java.net.UnknownHostException: Call to address=worker-1.cluster-xxx:16020
> failed on local exception: java.net.UnknownHostException:
> worker-1.cluster-xxx:16020 could not be resolved
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:234)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:387)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:93)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:424)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:419)
> at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:119)
> at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:134)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection.lambda$sendRequest$4(NettyRpcConnection.java:351)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
> at
> org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
> at
> org.apache.hbase.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> at
> org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.net.UnknownHostException: worker-1.cluster-xxx:16020 could
> not be resolved
> at
> org.apache.hadoop.hbase.ipc.RpcConnection.getRemoteInetAddress(RpcConnection.java:192)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection.connect(NettyRpcConnection.java:275)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection.access$800(NettyRpcConnection.java:78)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection$4.run(NettyRpcConnection.java:325)
> at
> org.apache.hadoop.hbase.ipc.HBaseRpcControllerImpl.notifyOnCancel(HBaseRpcControllerImpl.java:262)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection.sendRequest0(NettyRpcConnection.java:308)
> at
> org.apache.hadoop.hbase.ipc.NettyRpcConnection.lambda$sendRequest$4(NettyRpcConnection.java:349)
> {code}
> Eventually, I fail to create the cluster.
> But for cloud environments, this operation is a common scenario（Rebuild a
> cluster from an existing rootdir directory）
>
>
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