CDH 之 Sentry 安装失败 Unable to find the MySQL JDBC driver

 安装报错如下：

 详细日志：

Exception in thread "main" java.lang.RuntimeException: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.countTables(HiveMetastoreDbUtil.java:203)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.printTableCount(HiveMetastoreDbUtil.java:284)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.main(HiveMetastoreDbUtil.java:334)
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at com.cloudera.enterprise.dbutil.SqlRunner.open(SqlRunner.java:180)
	at com.cloudera.enterprise.dbutil.SqlRunner.getDatabaseName(SqlRunner.java:264)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.countTables(HiveMetastoreDbUtil.java:197)
	... 2 more
+ NUM_TABLES='[                          main] SqlRunner                      ERROR Unable to find the MySQL JDBC driver. Please make sure that you have installed it as per instruction in the installation guide.'
+ [[ 1 -ne 0 ]]
+ echo 'Failed to count existing tables.'
+ exit 1

cloudera server 服务日志 /var/log/cloudera-scm-server/cloudera-scm-server.log：

2023-06-21 10:17:16,135 WARN avro-servlet-hb-processor-2:com.cloudera.server.cmf.AgentProtocolImpl: Received Process Heartbeat for unknown (or duplicate) process. Ignoring. This is expected to happen once after old process eviction or process deletion (as happens in restarts). id=386 name=null host=ac6e6e54-15ad-4a5e-a67d-05f502388723/hadoop35
2023-06-21 10:17:22,804 INFO agentServer-77916:com.cloudera.server.common.MonitoringThreadPool: agentServer: execution stats: average=14ms, min=6ms, max=34ms.
2023-06-21 10:17:22,804 INFO agentServer-77916:com.cloudera.server.common.MonitoringThreadPool: agentServer: waiting in queue stats: average=0ms, min=0ms, max=1ms.
2023-06-21 10:17:22,817 ERROR CommandPusher:com.cloudera.cmf.model.DbCommand: Command 1296(SentryCreateDbTables) has completed. finalstate:FINISHED, success:false, msg:Failed to create Sentry database tables.
2023-06-21 10:17:22,823 ERROR CommandPusher:com.cloudera.cmf.model.DbCommand: Command 1289(First Run) has completed. finalstate:FINISHED, success:false, msg:Failed to perform First Run of services.
2023-06-21 10:17:25,377 INFO scm-web-77730:com.cloudera.cmf.command.flow.SeqFlowCmd: Command 1289(First Run) cannot be retried. Check the stack trace to see which child command or command work does not support retry.
java.lang.UnsupportedOperationException: Command 1296(SentryCreateDbTables) does not support retry. CommandHandler: com.cloudera.cmf.service.sentry.SentryCreateDbTablesCommand, dryRun: true
        at com.cloudera.cmf.service.AbstractCommandHandler.prepareForRetry(AbstractCommandHandler.java:410)
        at com.cloudera.cmf.command.CmdWorkCommand.prepareForRetry(CmdWorkCommand.java:239)
        at com.cloudera.cmf.command.flow.AbstractExecCmdWork.retry(AbstractExecCmdWork.java:38)
        at com.cloudera.cmf.command.flow.CmdStep.retry(CmdStep.java:437)
        at com.cloudera.cmf.command.flow.SeqCmdWork.retry(SeqCmdWork.java:300)
        at com.cloudera.cmf.command.flow.SeqCmdWork.retry(SeqCmdWork.java:30)
        at com.cloudera.cmf.command.flow.CmdStep.retry(CmdStep.java:437)
        at com.cloudera.cmf.command.flow.work.AsyncCmdWork.retry(AsyncCmdWork.java:94)
        at com.cloudera.cmf.command.flow.CmdStep.retry(CmdStep.java:437)
        at com.cloudera.cmf.command.flow.SeqCmdWork.retry(SeqCmdWork.java:300)
        at com.cloudera.cmf.command.flow.SeqFlowCmd.prepareForRetry(SeqFlowCmd.java:278)
        at com.cloudera.cmf.command.CmdWorkCommand.advancedRetry(CmdWorkCommand.java:254)
        at com.cloudera.cmf.service.FirstRunCommand.prepareForRetry(FirstRunCommand.java:893)
        at com.cloudera.cmf.service.ServiceHandlerRegistry.prepareForRetry(ServiceHandlerRegistry.java:1300)
        at com.cloudera.server.cmf.components.OperationsManagerImpl.canRetry(OperationsManagerImpl.java:1958)
        at com.cloudera.cmf.command.CommandSummary.(CommandSummary.java:158)
        at com.cloudera.server.web.cmf.commands.CommandController.commandDetailsJson(CommandController.java:115)
        at com.cloudera.server.web.cmf.commands.CommandController$$FastClassBySpringCGLIB$$b64180f6.invoke()
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:736)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
        at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:84)
        at com.cloudera.server.web.cmf.aop.RetryExecution$1.call(RetryExecution.java:32)
        at com.cloudera.server.common.RetryWrapper.executeWithRetry(RetryWrapper.java:32)
        at com.cloudera.server.common.RetryUtils.executeWithRetryHelper(RetryUtils.java:210)
        at com.cloudera.server.common.RetryUtils.executeWithRetry(RetryUtils.java:131)
        at com.cloudera.server.web.cmf.aop.RetryExecution.retryOperation(RetryExecution.java:24)
        at sun.reflect.GeneratedMethodAccessor1363.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627)
        at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616)
        at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671)
        at com.cloudera.server.web.cmf.commands.CommandController$$EnhancerBySpringCGLIB$$eb1aded3.commandDetailsJson()
        at sun.reflect.GeneratedMethodAccessor1755.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:849)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:760)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:645)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
        at com.jamonapi.http.JAMonServletFilter.doFilter(JAMonServletFilter.java:48)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.cloudera.enterprise.JavaMelodyFacade$MonitoringFilter.doFilter(JavaMelodyFacade.java:200)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.kerberos.web.authentication.SpnegoAuthenticationProcessingFilter.doFilter(SpnegoAuthenticationProcessingFilter.java:128)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:121)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:134)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
        at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)
        at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:174)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:502)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at com.cloudera.server.common.BoundedQueuedThreadPool$2.run(BoundedQueuedThreadPool.java:94)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
        at java.lang.Thread.run(Thread.java:748)

原因：找不到 mysql 驱动

问题1：确保 /usr/share/java/mysql-connector-java.jar 版本和 mysql 是同一个大版本，如用的是 mysql5，则 mysql-connector-java.jar 也应该是5.x 版本

问题2：确保 /usr/share/java/mysql-connector-java.jar 权限是 644 ，640 权限也是不行的，即使你用的是 root 用户