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From "Sudha Ponnaganti (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CLOUDSTACK-1805) com.mysql.jdbc.exceptions.jdbc4.CommunicationsException seen after long time of inactivity resulting in not being able to log in to thr management server.
Date Mon, 01 Apr 2013 15:39:15 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-1805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sudha Ponnaganti resolved CLOUDSTACK-1805.
------------------------------------------

    Resolution: Incomplete
    
> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException seen after long time of inactivity
resulting in not being able to log in to thr management server.
> ----------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-1805
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1805
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.1.0
>         Environment: Build from 4.1
>            Reporter: Sangeetha Hariharan
>            Assignee: Sangeetha Hariharan
>            Priority: Critical
>             Fix For: 4.1.0, 4.2.0
>
>         Attachments: DBError.rar
>
>
> com.mysql.jdbc.exceptions.jdbc4.CommunicationsException seen after long time of inactivity
resulting in not being able to log in to thr management server.
> I had my management server running fine until Mar 22.
> There was no activity done on Mar 23 and Mar 24.
> On Mar 25th , when I tried to log in to the management server , I was not able to log
in to it.
> I tried multiple times and failed.
> Following exception is seen in the management server logs:
> 013-03-25 14:23:25,237 DEBUG [cloud.user.AccountManagerImpl] (catalina-exec-20:null)
Attempting to log in user: admin in domain 1
> 2013-03-25 14:23:25,238 DEBUG [server.auth.MD5UserAuthenticator] (catalina-exec-20:null)
Retrieving user: admin
> 2013-03-25 14:23:25,245 DEBUG [cloud.user.AccountManagerImpl] (catalina-exec-20:null)
User: admin in domain 1 has successfully logged in
> 2013-03-25 14:23:25,303 DEBUG [cloud.api.ApiServlet] (catalina-exec-20:null) ===END===
 10.217.252.128 -- POST  null
> 2013-03-25 14:23:25,317 DEBUG [cloud.api.ApiServlet] (catalina-exec-4:null) ===START===
 10.217.252.128 -- GET  command=listCapabilities
> &response=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011545
> 2013-03-25 14:23:25,329 DEBUG [cloud.api.ApiServlet] (catalina-exec-4:null) ===END===
 10.217.252.128 -- GET  command=listCapabilities&r
> esponse=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011545
> 2013-03-25 14:23:25,377 DEBUG [cloud.api.ApiServlet] (catalina-exec-21:null) ===START===
 10.217.252.128 -- GET  command=listSwifts&resp
> onse=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011577
> 2013-03-25 14:23:25,378 ERROR [cloud.api.ApiServlet] (catalina-exec-21:null)
> unknown exception writing api response
> com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@aea16cd:
SELECT user.id, user.us
> ername, user.password, user.firstname, user.lastname, user.account_id, user.email, user.state,
user.api_key, user.secret_key, user.creat
> ed, user.removed, user.timezone, user.registration_token, user.is_registered, user.uuid
FROM user WHERE user.id = 2
>         at com.cloud.utils.db.GenericDaoBase.findById(GenericDaoBase.java:979)
>         at com.cloud.utils.db.GenericDaoBase.findByIdIncludingRemoved(GenericDaoBase.java:939)
>         at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:39)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy64.findByIdIncludingRemoved(Unknown Source)
>         at com.cloud.user.AccountManagerImpl.getUserIncludingRemoved(AccountManagerImpl.java:1572)
>         at sun.reflect.GeneratedMethodAccessor96.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:45)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy111.getUserIncludingRemoved(Unknown Source)
>         at com.cloud.api.ApiServer.verifyUser(ApiServer.java:823)
>         at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java
> :150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:45)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy111.getUserIncludingRemoved(Unknown Source)
>         at com.cloud.api.ApiServer.verifyUser(ApiServer.java:823)
>         at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:45)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy380.verifyUser(Unknown Source)
>         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:259)
>         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:66)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>         at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
>         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
>         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully
received from the server was 249,446,48
> 1 milliseconds ago.  The last packet sent successfully to the server was 249,446,481
milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should
consider either expiring and/or testing connection validity before use in your application,
increasing the server configured values for client timeouts, or using the Connector/J connection
property 'autoReconnect=true' to avoid this problem.
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
>         at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
>         at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
>         at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3829)
>         at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2449)
>         at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
>         at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
>         at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
>         at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
>         at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
>         at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
>         at com.cloud.utils.db.GenericDaoBase.findById(GenericDaoBase.java:976)
>         ... 79 more
> Caused by: java.net.SocketException: Broken pipe
>         ... 93 more
> 2013-03-25 14:23:25,381 DEBUG [cloud.api.ApiServlet] (catalina-exec-21:null) ===END===
 10.217.252.128 -- GET  command=listSwifts&response=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011577
> 2013-03-25 14:23:25,390 DEBUG [cloud.api.ApiServlet] (catalina-exec-19:null) ===START===
 10.217.252.128 -- GET  command=listZones&response=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011573
> 2013-03-25 14:23:25,390 ERROR [cloud.api.ApiServlet] (catalina-exec-19:null) unknown
exception writing api response
> com.cloud.utils.exception.CloudRuntimeException: DB Exception on: com.mysql.jdbc.JDBC4PreparedStatement@3057703b:
SELECT user.id, user.username, user.password, user.firstname, user.lastname, user.account_id,
user.email, user.state, user.api_key, user.secret_key, user.created, user.removed, user.timezone,
user.registration_token, user.is_registered, user.uuid FROM user WHERE user.id = 2
>         at com.cloud.utils.db.GenericDaoBase.findById(GenericDaoBase.java:979)
>         at com.cloud.utils.db.GenericDaoBase.findByIdIncludingRemoved(GenericDaoBase.java:939)
>         at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:39)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy64.findByIdIncludingRemoved(Unknown Source)
>         at com.cloud.user.AccountManagerImpl.getUserIncludingRemoved(AccountManagerImpl.java:1572)
>         at sun.reflect.GeneratedMethodAccessor96.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:45)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy111.getUserIncludingRemoved(Unknown Source)
>         at com.cloud.api.ApiServer.verifyUser(ApiServer.java:823)
>         at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>         at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>         at com.cloud.utils.db.TransactionContextBuilder.AroundAnyMethod(TransactionContextBuilder.java:45)
>         at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>         at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>         at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
>         at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>         at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>         at $Proxy380.verifyUser(Unknown Source)
>         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:259)
>         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:66)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>         at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
>         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:721)
>         at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2268)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully
received from the server was 249,446,385 milliseconds ago.  The last packet sent successfully
to the server was 249,446,385 milliseconds ago. is longer than the server configured value
of 'wait_timeout'. You should consider either expiring and/or testing connection validity
before use in your application, increasing the server configured values for client timeouts,
or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
>         at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
>         at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
>         at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3829)
>         at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2449)
>         at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
>         at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
>         at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
>         at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
>         at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
>         at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
>         at com.cloud.utils.db.GenericDaoBase.findById(GenericDaoBase.java:976)
>         ... 79 more
> Caused by: java.net.SocketException: Broken pipe
>         ... 93 more
> 2013-03-25 14:23:25,393 DEBUG [cloud.api.ApiServlet] (catalina-exec-19:null) ===END===
 10.217.252.128 -- GET  command=listZones&response=json&sessionkey=wUHWkrgXQbb06RJW4vGi9HkD4WE%3D&_=1364250011573
> After I tried to log in to the mysql server and executed "show engine innodb status;
> " to check on any transcation errors , I was able to log in to management server again.
This issue seems to have gone after this.
> Attaching management logs.
>  

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