记录kylin成功启动，访问页面404问题

记录kylin成功启动，访问页面404问题

⚠️报错：
kylin成功启动，访问页面404

查看/opt/module/kylin/logs目录下kylin.log，报以下错误：

Failed to find metadata store by url: kylin_metadata@hbase
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
        at org.springframework.beans.factory.annotation.Injectionmetadata.inject(Injectionmetadata.java:88)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
...
省略
...
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'aclUtil' defined in URL [jar:file:/opt/module/kylin/tomcat/webapps/kylin/WEB-INF/lib/kylin-server-base-3.0.2.jar!/org/apache/kylin/rest/util/AclUtil.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'expressionHandler' defined in class path resource [kylinSecurity.xml]: Cannot resolve reference to bean 'permissionevaluator' while setting bean property 'permissionevaluator'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'permissionevaluator' defined in class path resource [kylinSecurity.xml]: Cannot resolve reference to bean 'aclService' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'aclService' defined in URL [jar:file:/opt/module/kylin/tomcat/webapps/kylin/WEB-INF/lib/kylin-server-base-3.0.2.jar!/org/apache/kylin/rest/service/AclService.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.kylin.rest.service.AclService]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: Failed to find metadata store by url: kylin_metadata@hbase
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'permissionevaluator' defined in class path resource [kylinSecurity.xml]: Cannot resolve reference to bean 'aclService' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'aclService' defined in URL [jar:file:/opt/module/kylin/tomcat/webapps/kylin/WEB-INF/lib/kylin-server-base-3.0.2.jar!/org/apache/kylin/rest/service/AclService.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.kylin.rest.service.AclService]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: Failed to find metadata store by url: kylin_metadata@hbase
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:359)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolvevalueIfNecessary(BeanDefinitionValueResolver.java:108)


Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.kylin.rest.service.AclService]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException: Failed to find metadata store by url: kylin_metadata@hbase
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1155)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:306)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
        ... 77 more
Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=2, exceptions:
Thu Oct 28 21:13:20 CST 2021, RpcRetryingCaller{globalStartTime=1635426798551, pause=100, maxAttempts=2}, org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException: kylin_metadata,,1635426513325.2683a31e5e0907af5a12415c60289350. is closing
        at org.apache.hadoop.hbase.regionserver.HRegion.startRegionOperation(HRegion.java:8249)
        at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2861)
        at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2856)
        at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2850)
        at org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2526)
        at org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2453)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService.callBlockingMethod(ClientProtos.java:41998)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)

解决方法：

1. 删除hdfs上对应的hbase块；
2. 进入zookeeper目录，删除hbase节点信息：

(base) [xiaobai@hadoop102 zookeeper-3.5.7]$ bin/zkCli.sh 
[zk: localhost:2181(CONNECTED) 0] deleteall /hbase
[zk: localhost:2181(CLOSED) 5] quit

3. 删除/opt/module/kylin/bin目录下的cached-*文件：

(base) [xiaobai@hadoop102 bin]$ rm -rf cached-*

⚠️报错：
改完之后报这个错误：KeeperErrorCode = Nonode for /hbase/meta-region-server，是因为hadoop的zookeeper.znode.parent值为hbase；

解决方法：

1. 修改配置文件hbase-site.xml：

     zookeeper.znode.parent
     /hbase
 

2. 修改/opt/module/hbase/conf目录下的hbase-env.sh文件：

export Hbase_CLASSPATH=/opt/module/hbase/lib/

(此步骤应该不是必须)

3. 重启hbase；
   如果这里使用bin/stop-hbase.sh命令一直处于等待状态的话就先停止master，再执行停止hbase命令即可：

(base) [xiaobai@hadoop102 hbase]$ hbase-daemon.sh stop master
(base) [xiaobai@hadoop102 hbase]$ stop-hbase.sh

⚠️报错：

Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping': Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hive/metastore/api/NoSuchObjectException
2021-10-28 23:35:40,008 ERROR [localhost-startStop-1] context.ContextLoader:350 : Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping': Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hive/metastore/api/NoSuchObjectException
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:306)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
        at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4699)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5165)
        at org.apache.catalina.util.Lifecyclebase.start(Lifecyclebase.java:183)
        at org.apache.catalina.core.Containerbase.addChildInternal(Containerbase.java:743)
        at org.apache.catalina.core.Containerbase.addChild(Containerbase.java:719)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970)
                    
Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/hive/metastore/api/NoSuchObjectException
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
        at java.lang.Class.getDeclaredMethods(Class.java:1975)
        at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:613)
        at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)
        at org.springframework.core.MethodIntrospector.selectMethods(MethodIntrospector.java:68)                                                                                       

✅解决方法：

(base) [xiaobai@hadoop102 lib]$ cp hive-exec-3.1.2.jar /opt/module/kylin/lib/

参考链接1==>

参考链接2==>
参考链接3==>