René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Instance does not start with message \"Command failed due to Internal Server Error.\"","articleBody":"### The required feature described as a wish\n\nThank you, @Pearl1594, for helping confirm that the root cause of the failure was:\n\nThe attached ISO was no longer available after the storage was decommissioned.\n\nThe system didn’t provide proper error handling for this case (`\"templateVO\" was null`), resulting in a generic and unclear message.\n\n```\n2025-11-30 04:02:51,769 ERROR [c.c.v.VmWorkJobHandlerProxy] (Work-Job-Executor-102:[ctx-33237947, job-67184/job-67186, ctx-8874b4da]) (logid:22521ecd) Invocation exception, caused by: java.lang.NullPointerException: Cannot invoke \"com.cloud.storage.VMTemplateVO.isDirectDownload()\" because \"templateVO\" is null\n2025-11-30 04:02:51,769 INFO [c.c.v.VmWorkJobHandlerProxy] (Work-Job-Executor-102:[ctx-33237947, job-67184/job-67186, ctx-8874b4da]) (logid:22521ecd) Rethrow exception java.lang.NullPointerException: Cannot invoke \"com.cloud.storage.VMTemplateVO.isDirectDownload()\" because \"templateVO\" is null\n2025-11-30 04:02:51,769 DEBUG [c.c.v.VmWorkJobDispatcher] (Work-Job-Executor-102:[ctx-33237947, job-67184/job-67186]) (logid:22521ecd) Done with run of VM work job: com.cloud.vm.VmWorkStart for VM 6682, job origin: 67184\n2025-11-30 04:02:51,769 ERROR [c.c.v.VmWorkJobDispatcher] (Work-Job-Executor-102:[ctx-33237947, job-67184/job-67186]) (logid:22521ecd) Unable to complete AsyncJob {\"accountId\":298,\"cmd\":\"com.cloud.vm.VmWorkStart\",\"cmdInfo\":\"rO0ABXNyABhjb20uY2xvdWQudm0uVm1Xb3JrU3RhcnR9cMGsvxz73gIAC0oABGRjSWRMAAZhdm9pZHN0ADBMY29tL2Nsb3VkL2RlcGxveS9EZXBsb3ltZW50UGxhbm5lciRFeGNsdWRlTGlzdDtMAAljbHVzdGVySWR0ABBMamF2YS9sYW5nL0xvbmc7TAAGaG9zdElkcQB-AAJMAAtqb3VybmFsTmFtZXQAEkxqYXZhL2xhbmcvU3RyaW5nO0wAEXBoeXNpY2FsTmV0d29ya0lkcQB-AAJMAAdwbGFubmVycQB-AANMAAVwb2RJZHEAfgACTAAGcG9vbElkcQB-AAJMAAlyYXdQYXJhbXN0AA9MamF2YS91dGlsL01hcDtMAA1yZXNlcnZhdGlvbklkcQB-AAN4cgATY29tLmNsb3VkLnZtLlZtV29ya5-ZtlbwJWdrAgAESgAJYWNjb3VudElkSgAGdXNlcklkSgAEdm1JZEwAC2hhbmRsZXJOYW1lcQB-AAN4cAAAAAAAAAEqAAAAAAAAATcAAAAAAAAaGnQAGVZpcnR1YWxNYWNoaW5lTWFuYWdlckltcGwAAAAAAAAAAHBwcHBwcHBwc3IAEWphdmEudXRpbC5IYXNoTWFwBQfawcMWYNEDAAJGAApsb2FkRmFjdG9ySQAJdGhyZXNob2xkeHA_QAAAAAAADHcIAAAAEAAAAAV0ABBDb25zaWRlckxhc3RIb3N0dAAQck8wQUJYUUFCV1poYkhObHQAClZtUGFzc3dvcmR0ABxyTzBBQlhRQURuTmhkbVZrWDNCaGMzTjNiM0prdAAIQm9vdE1vZGV0ABJyTzBBQlhRQUJreEZSMEZEV1F0AAhCb290VHlwZXQAD3JPMEFCWFFBQkZWRlJra3QACFVlZmlGbGFndAAOck8wQUJYUUFBMWxsY3d4cA\",\"cmdVersion\":0,\"completeMsid\":null,\"created\":\"Sun Nov 30 04:02:43 UTC 2025\",\"id\":67186,\"initMsid\":90520736259046,\"instanceId\":null,\"instanceType\":null,\"lastPolled\":null,\"lastUpdated\":null,\"processStatus\":0,\"removed\":null,\"result\":null,\"resultCode\":0,\"status\":\"IN_PROGRESS\",\"userId\":311,\"uuid\":\"baca3bee-acb5-452a-809e-a8e201dadcb0\"}, job origin: 67184 java.lang.NullPointerException: Cannot invoke \"com.cloud.storage.VMTemplateVO.isDirectDownload()\" because \"templateVO\" is null\nat org.apache.cloudstack.storage.image.TemplateDataFactoryImpl.isTemplateMarkedForDirectDownload(TemplateDataFactoryImpl.java:299)\nat com.cloud.template.TemplateManagerImpl.prepareIso(TemplateManagerImpl.java:1264)\nat com.cloud.template.TemplateManagerImpl.prepareIsoForVmProfile(TemplateManagerImpl.java:636)\nat jdk.internal.reflect.GeneratedMethodAccessor325.invoke(Unknown Source)\nat java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\nat java.base/java.lang.reflect.Method.invoke(Method.java:569)\n```\n\nWould it be possible to improve the error message for this scenario? A more descriptive message would help regular users understand the issue without needing admin assistance.\n\nAdditionally, administrators could benefit from seeing more detailed information when the failure isn’t directly related to a missing ISO.\n\nThank you and regards,","author":{"url":"https://github.com/daviftorres","@type":"Person","name":"daviftorres"},"datePublished":"2025-12-01T21:08:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/12171/cloudstack/issues/12171"}