CDH版本：5.10，Kylin版本：2.10
CDH集群重装后启动Kylin实例遇到如下问题：
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:89)
at org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:101)
at org.apache.kylin.rest.service.AclTableMigrationTool.checkIfNeedMigrate(AclTableMigrationTool.java:94)
at org.apache.kylin.tool.AclTableMigrationCLI.main(AclTableMigrationCLI.java:41)
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:83)
… 3 more
Caused by: org.apache.hadoop.hbase.TableExistsException: kylin_metadata
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.ipc.RemoteException.instantiateException(RemoteException.java:106)
at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)
at org.apache.hadoop.hbase.util.ForeignExceptionUtil.toIOException(ForeignExceptionUtil.java:45)
at org.apache.hadoop.hbase.client.HBaseAdmin<math><semantics><mrow><mi>P</mi><mi>r</mi><mi>o</mi><mi>c</mi><mi>e</mi><mi>d</mi><mi>u</mi><mi>r</mi><mi>e</mi><mi>F</mi><mi>u</mi><mi>t</mi><mi>u</mi><mi>r</mi><mi>e</mi><mi mathvariant="normal">.</mi><mi>c</mi><mi>o</mi><mi>n</mi><mi>v</mi><mi>e</mi><mi>r</mi><mi>t</mi><mi>R</mi><mi>e</mi><mi>s</mi><mi>u</mi><mi>l</mi><mi>t</mi><mo>(</mo><mi>H</mi><mi>B</mi><mi>a</mi><mi>s</mi><mi>e</mi><mi>A</mi><mi>d</mi><mi>m</mi><mi>i</mi><mi>n</mi><mi mathvariant="normal">.</mi><mi>j</mi><mi>a</mi><mi>v</mi><mi>a</mi><mo>:</mo><mn>4</mn><mn>4</mn><mn>5</mn><mn>0</mn><mo>)</mo><mi>a</mi><mi>t</mi><mi>o</mi><mi>r</mi><mi>g</mi><mi mathvariant="normal">.</mi><mi>a</mi><mi>p</mi><mi>a</mi><mi>c</mi><mi>h</mi><mi>e</mi><mi mathvariant="normal">.</mi><mi>h</mi><mi>a</mi><mi>d</mi><mi>o</mi><mi>o</mi><mi>p</mi><mi mathvariant="normal">.</mi><mi>h</mi><mi>b</mi><mi>a</mi><mi>s</mi><mi>e</mi><mi mathvariant="normal">.</mi><mi>c</mi><mi>l</mi><mi>i</mi><mi>e</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">.</mi><mi>H</mi><mi>B</mi><mi>a</mi><mi>s</mi><mi>e</mi><mi>A</mi><mi>d</mi><mi>m</mi><mi>i</mi><mi>n</mi></mrow><annotation encoding="application/x-tex">ProcedureFuture.convertResult(HBaseAdmin.java:4450)
at org.apache.hadoop.hbase.client.HBaseAdmin</annotation></semantics></math>ProcedureFuture.convertResult(HBaseAdmin.java:4450)atorg.apache.hadoop.hbase.client.HBaseAdminProcedureFuture.waitProcedureResult(HBaseAdmin.java:4408)
at org.apache.hadoop.hbase.client.HBaseAdmin$ProcedureFuture.get(HBaseAdmin.java:4341)
at org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:675)
at org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:605)
at org.apache.kylin.storage.hbase.HBaseConnection.createHTableIfNeeded(HBaseConnection.java:324)
at org.apache.kylin.storage.hbase.HBaseResourceStore.createHTableIfNeeded(HBaseResourceStore.java:110)
at org.apache.kylin.storage.hbase.HBaseResourceStore.<init>(HBaseResourceStore.java:91)
… 8 more
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hbase.TableExistsException): kylin_metadata
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.prepareCreate(CreateTableProcedure.java:302)
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:109)
at org.apache.hadoop.hbase.master.procedure.CreateTableProcedure.executeFromState(CreateTableProcedure.java:59)
at org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:119)
at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:498)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1061)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:856)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execLoop(ProcedureExecutor.java:809)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$400(ProcedureExecutor.java:75)
at org.apache.hadoop.hbase.procedure2.ProcedureExecutor$2.run(ProcedureExecutor.java:495)
网上搜了下，2.0有多个Kylin实例启动报错的bug，2.1已经修复。
还有说zookeeper和hbase不匹配，也不是原因。
后来进入zookeeper，/hbase/table，发现kylin_metadata还在，删除掉后正常启动
