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From Yaqian Zhang <Yaqian_Zh...@126.com>
Subject Re: Kylin 3.0 - Need some help - Can't open the Kylin UI
Date Wed, 15 Apr 2020 07:48:38 GMT
Hi David:

The image doesn't seem to load successfully, so I can't see its contents.

Is the kylin you downloaded a docker image or a binary package?

If kylin's binary package is installed in your own Hadoop environment, this error may indicate
that there are some problems in your HBase environment. You can execute commands in the HBase
shell to check the HBase status.


> 在 2020年4月14日,23:57,Rubio Piqueras, David <David.Rubio@gft.com> 写道:
> 
> Hi guys,
>  
> Just starting using Kylin too which looks so interesting.
> We downloaded your Kylin 3.0 image version:
>  
> 
> However, I can’t open the Kylin UI anytime I try to open it. Checking the logs, this
is what we are seeing:
>  
> 2020-04-14 13:58:23,853 INFO  [main-SendThread(localhost:2181)] zookeeper.ClientCnxn:1235
: Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x17178f6fbd6000a,
negotiated timeout = 40000
> Exception in thread "main" java.lang.IllegalArgumentException: Failed to find metadata
store by url: kylin_metadata@hbase
>         at org.apache.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:101)
>         at org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:113)
>         at org.apache.kylin.rest.service.AclTableMigrationTool.checkIfNeedMigrate(AclTableMigrationTool.java:99)
>         at org.apache.kylin.tool.AclTableMigrationCLI.main(AclTableMigrationCLI.java:43)
> Caused by: java.lang.reflect.InvocationTargetException
>         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.kylin.common.persistence.ResourceStore.createResourceStore(ResourceStore.java:94)
>         ... 3 more
> Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=1,
exceptions:
> Tue Apr 14 13:58:24 UTC 2020, RpcRetryingCaller{globalStartTime=1586872703980, pause=100,
retries=1}, java.net.ConnectException: Connection refused
>  
>         at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:147)
>         at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:64)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:748)
> Caused by: java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
>         at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
>         at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
>         at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
>         at org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupConnection(RpcClientImpl.java:424)
>         at org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupIOstreams(RpcClientImpl.java:748)
>         at org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.writeRequest(RpcClientImpl.java:920)
>         at org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.tracedWriteRequest(RpcClientImpl.java:889)
>         at org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1222)
>         at org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:213)
>         at org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:287)
>         at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:32651)
>         at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:372)
>         at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:199)
>         at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:62)
>         at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
>         at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:346)
>         at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:320)
>         at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:126)
>         ... 4 more
> 2020-04-14 13:58:24,142 INFO  [close-hbase-conn] hbase.HBaseConnection:137 : Closing
HBase connections...
> 2020-04-14 13:58:24,143 INFO  [close-hbase-conn] client.ConnectionManager$HConnectionImplementation:1676
: Closing zookeeper sessionid=0x17178f6fbd6000a
> 2020-04-14 13:58:24,150 INFO  [close-hbase-conn] zookeeper.ZooKeeper:684 : Session: 0x17178f6fbd6000a
closed
> 2020-04-14 13:58:24,150 INFO  [main-EventThread] zookeeper.ClientCnxn:512 : EventThread
shut down
> ERROR: Unknown error. Please check full log
>  
> I’m not sure, but my feeling is that there is an error with the HBase or Kafka or Zookeper
default configuration that needs some changes from my end, but not sure what.
>  
> Appreciate your help on this,
>  
> Thanks.
> David Rubio
> _______________________________________
> 
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