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From "Joris van Lieshout (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-7839) Unable to live migrate an instance to another host in a cluster from which the template has been deleted
Date Tue, 04 Nov 2014 13:19:36 GMT
Joris van Lieshout created CLOUDSTACK-7839:
----------------------------------------------

             Summary: Unable to live migrate an instance to another host in a cluster from
which the template has been deleted
                 Key: CLOUDSTACK-7839
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7839
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Template
    Affects Versions: Future, 4.3.0, 4.4.0, 4.5.0, 4.3.1, 4.4.1, 4.6.0
            Reporter: Joris van Lieshout
            Priority: Critical


ACS throws an null pointer exception when you try to live migrate an instance to another host
in a cluster and the template of that instance has been deleted.
I have pasted the exception below.

Steps to reproduce the issue:
1. create an instance from iso
2. stop the instance
3. create a template from the root volume
4. create a new instance from that template
5. leave the instance running
6. delete the template
7. try the live migrate the instance to another host in the cluster
The migrate button in the web interface will not respond.
The exception below can be found in the management-server log 


2014-11-04 14:08:45,509 ERROR [cloud.api.ApiServer] (TP-Processor49:ctx-35286d62 ctx-3de77f98)
unhandled exception executing api command: findHostsForMigration
java.lang.NullPointerException
        at com.cloud.storage.StorageManagerImpl.storagePoolHasEnoughSpace(StorageManagerImpl.java:1561)
        at org.apache.cloudstack.storage.allocator.AbstractStoragePoolAllocator.filter(AbstractStoragePoolAllocator.java:199)
        at org.apache.cloudstack.storage.allocator.ClusterScopeStoragePoolAllocator.select(ClusterScopeStoragePoolAllocator.java:110)
        at org.apache.cloudstack.storage.allocator.AbstractStoragePoolAllocator.allocateToPool(AbstractStoragePoolAllocator.java:109)
        at com.cloud.server.ManagementServerImpl.findSuitablePoolsForVolumes(ManagementServerImpl.java:1250)
        at com.cloud.server.ManagementServerImpl.listHostsForMigrationOfVM(ManagementServerImpl.java:1150)
        at sun.reflect.GeneratedMethodAccessor643.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:622)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at com.sun.proxy.$Proxy193.listHostsForMigrationOfVM(Unknown Source)
        at org.apache.cloudstack.api.command.admin.host.FindHostsForMigrationCmd.execute(FindHostsForMigrationCmd.java:75)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161)
        at com.cloud.api.ApiServer.queueCommand(ApiServer.java:531)
        at com.cloud.api.ApiServer.handleRequest(ApiServer.java:374)
        at com.cloud.api.ApiServlet.processRequestInContext(ApiServlet.java:323)
        at com.cloud.api.ApiServlet.access$000(ApiServlet.java:53)
        at com.cloud.api.ApiServlet$1.run(ApiServlet.java:115)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:112)
        at com.cloud.api.ApiServlet.doGet(ApiServlet.java:74)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
        at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
        at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
        at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
        at java.lang.Thread.run(Thread.java:701)



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