[jira] [Reopened] (HBASE-26898) Cannot rebuild a cluster from an existing root directory

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-26898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang reopened HBASE-26898:
-------------------------------

> 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
>             Fix For: 3.0.0-alpha-2
>
>
> 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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