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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unable to download volume snapshot on VMWare","articleBody":"### problem\n\nVolume snapshot cannot be downloaded when using VMWare hypervisor.\n\n### versions\n\nFound in 4.22.1\n\n### The steps to reproduce the bug\n\nWhen you try to download a volume snapshot on a VMWare environment, you get the following error:\n\n\u003cimg width=\"389\" height=\"155\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/43f7a0f5-43f2-4c24-8f56-732a7fac2864\" /\u003e\n\nAnd here is the exception in the management server log:\n```\n2026-06-08 14:50:39,066 ERROR [o.a.c.s.i.BaseImageStoreDriverImpl] (API-Job-Executor-36:[ctx-78500c19, job-44, ctx-8bc3173c]) (logid:14ad9b5b) Unable to create a link for entity at snapshots/2/3/1c076a50-e550-40df-ab68-76ef04c6c365/1c076a50-e550-40df-ab68-76ef04c6c365 on ssvm, Failed to download\n2026-06-08 14:50:39,074 ERROR [c.c.a.ApiAsyncJobDispatcher] (API-Job-Executor-36:[ctx-78500c19, job-44]) (logid:14ad9b5b) Unexpected exception while executing org.apache.cloudstack.api.command.user.snapshot.ExtractSnapshotCmd com.cloud.utils.exception.CloudRuntimeException: Unable to create a link for entity at snapshots/2/3/1c076a50-e550-40df-ab68-76ef04c6c365/1c076a50-e550-40df-ab68-76ef04c6c365 on ssvm, Failed to download\n        at org.apache.cloudstack.storage.datastore.driver.CloudStackImageStoreDriverImpl.createEntityExtractUrl(CloudStackImageStoreDriverImpl.java:123)\n        at org.apache.cloudstack.storage.image.store.ImageStoreImpl.createEntityExtractUrl(ImageStoreImpl.java:213)\n        at com.cloud.storage.snapshot.SnapshotManagerImpl.extractSnapshot(SnapshotManagerImpl.java:604)\n        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)\n        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n        at java.base/java.lang.reflect.Method.invoke(Method.java:569)\n        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)\n        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)\n        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)\n        at org.apache.cloudstack.network.contrail.management.EventUtils$EventInterceptor.invoke(EventUtils.java:109)\n        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175)\n        at com.cloud.event.ActionEventInterceptor.invoke(ActionEventInterceptor.java:52)\n        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175)\n        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)\n        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\n        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)\n        at jdk.proxy3/jdk.proxy3.$Proxy245.extractSnapshot(Unknown Source)\n        at org.apache.cloudstack.api.command.user.snapshot.ExtractSnapshotCmd.execute(ExtractSnapshotCmd.java:105)\n        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:173)\n        at com.cloud.api.ApiAsyncJobDispatcher.runJob(ApiAsyncJobDispatcher.java:110)\n        at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:698)\n        at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)\n        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)\n        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)\n        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)\n        at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)\n        at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.run(AsyncJobManagerImpl.java:646)\n        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)\n        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\n        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)\n        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)\n        at java.base/java.lang.Thread.run(Thread.java:840)\n```\n\n### What to do about it?\n\n_No response_","author":{"url":"https://github.com/vladimirpetrov","@type":"Person","name":"vladimirpetrov"},"datePublished":"2026-06-08T15:04:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/13375/cloudstack/issues/13375"}