GitHub user wverleger created a discussion: Backup & Recovery Feature - Create
new Instance from Backup
Hi,
While creating a new instance fom backup we are receiving the following
Cloudstack / Java message:
2026-07-06 14:51:17,017 ERROR [c.c.a.ApiAsyncJobDispatcher]
(API-Job-Executor-112:[ctx-e4fa04a5, job-100428]) (logid:f80caa99) Unexpected
exception while executing
org.apache.cloudstack.api.command.admin.vm.CreateVMFromBackupCmdByAdmin
java.lang.NullPointerException: Cannot invoke "java.util.Map.get(Object)"
because the return value of "com.cloud.utils.Pair.second()" is null
at
com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:5342)
at
com.cloud.vm.UserVmManagerImpl.restoreVMFromBackup(UserVmManagerImpl.java:9848)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)
at jdk.proxy3/jdk.proxy3.$Proxy202.restoreVMFromBackup(Unknown Source)
at
org.apache.cloudstack.api.command.user.vm.CreateVMFromBackupCmd.execute(CreateVMFromBackupCmd.java:124)
at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:173)
at
com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:110)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:698)
at
org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
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
org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
at
org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.run(AsyncJobManagerImpl.java:646)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
The created instance seems to run as expected.
Does anyone know what this execption is about?
Thank you!
GitHub link: https://github.com/apache/cloudstack/discussions/13549
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