Srikanteswararao Talluri created CLOUDSTACK-3924:
----------------------------------------------------

             Summary: NPE while internal LB vm is getting created
                 Key: CLOUDSTACK-3924
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3924
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Network Controller
    Affects Versions: 4.2.0
            Reporter: Srikanteswararao Talluri
            Priority: Blocker
             Fix For: 4.2.0


Steps to reproduce:
=============
1. create a VPC with internal lb.
2. Create a tier(network offering).
3. create a VM using that network offering.
4. add an lb rule to the internal lb.
5. assign VM for that LB rule.



Failed to start instance VM[InternalLoadBalancerVm|b-574-VM]
java.lang.NullPointerException
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.createApplyLoadBalancingRulesCommands(InternalLoadBalancerVMManagerImpl.java:501)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.finalizeLbRulesForIp(InternalLoadBalancerVMManagerImpl.java:469)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.finalizeCommandsOnStart(InternalLoadBalancerVMManagerImpl.java:346)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.finalizeDeployment(InternalLoadBalancerVMManagerImpl.java:262)
        at 
com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:928)
        at 
com.cloud.vm.VirtualMachineManagerImpl.start(VirtualMachineManagerImpl.java:618)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.startInternalLbVm(InternalLoadBalancerVMManagerImpl.java:854)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.startInternalLbVms(InternalLoadBalancerVMManagerImpl.java:613)
        at 
org.apache.cloudstack.network.lb.InternalLoadBalancerVMManagerImpl.deployInternalLbVm(InternalLoadBalancerVMManagerImpl.java:597)
        at 
org.apache.cloudstack.network.element.InternalLoadBalancerElement.applyLBRules(InternalLoadBalancerElement.java:346)
        at 
com.cloud.network.lb.LoadBalancingRulesManagerImpl.applyLbRules(LoadBalancingRulesManagerImpl.java:1544)
        at 
com.cloud.network.lb.LoadBalancingRulesManagerImpl.applyLbRules(LoadBalancingRulesManagerImpl.java:2084)
        at 
com.cloud.network.lb.LoadBalancingRulesManagerImpl.applyLoadBalancerRules(LoadBalancingRulesManagerImpl.java:1581)
        at 
com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
        at 
com.cloud.network.lb.LoadBalancingRulesManagerImpl.applyLoadBalancerConfig(LoadBalancingRulesManagerImpl.java:1501)
        at 
com.cloud.network.lb.LoadBalancingRulesManagerImpl.assignToLoadBalancer(LoadBalancingRulesManagerImpl.java:1032)
        at 
com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
        at 
org.apache.cloudstack.api.command.user.loadbalancer.AssignToLoadBalancerRuleCmd.execute(AssignToLoadBalancerRuleCmd.java:100)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:158)
        at 
com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:531)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)
2013-07-30 16:42:38,848 DEBUG [cloud.vm.VirtualMachineManagerImpl] 
(Job-Executor-65:job-2231 = [ 04721abb-e34b-423b-a3a7-3de4318dbbf4 ]) Cleaning 
up resources for the vm VM[InternalLoadBalancerVm|b-574-VM] in Starting state


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