Hi guys,

Just starting using Kylin too which looks so interesting.
We downloaded your Kylin 3.0 image version:

[cid:[email protected]]
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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