[MAGNOLIA-6598] NPE at SetupModuleRepositoriesTask.grantRepositoryToSuperuser Created: 14/Mar/16  Updated: 14/Mar/16  Resolved: 14/Mar/16

Status: Closed
Project: Magnolia
Component/s: None
Affects Version/s: 5.4, 5.4.5
Fix Version/s: None

Type: Bug Priority: Major
Reporter: Alexey Ivanov Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
duplicate
duplicates MAGNOLIA-6593 resource-loader module throws NPE upo... Closed
Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled

 Description   

Occasionally I have following exception, during Magnolia modules installation, and Magnolia fails to start:

[2016-03-14_15:39:24.275] [Thread-24] ERROR i.m.module.InstallContextImpl - [68/364 tasks - Magnolia Resource Loader (version 5.4.5)]> Could not install or update resource-loader module. Task 'Setup module repositories' failed. (NullPointerException: )
info.magnolia.module.delta.TaskExecutionException: Could not bootstrap workspace: null
	at info.magnolia.module.delta.SetupModuleRepositoriesTask.execute(SetupModuleRepositoriesTask.java:91) ~[magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.ModuleManagerImpl.applyDeltas(ModuleManagerImpl.java:531) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.ModuleManagerImpl.installOrUpdateModule(ModuleManagerImpl.java:513) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.ModuleManagerImpl$1.doExec(ModuleManagerImpl.java:288) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:421) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:418) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:392) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.ModuleManagerImpl.performInstallOrUpdate(ModuleManagerImpl.java:282) [magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.ui.ModuleManagerWebUI$2.run(ModuleManagerWebUI.java:123) [magnolia-core-5.4.5.jar:na]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_72]
Caused by: java.lang.NullPointerException: null
	at info.magnolia.module.delta.SetupModuleRepositoriesTask.grantRepositoryToSuperuser(SetupModuleRepositoriesTask.java:99) ~[magnolia-core-5.4.5.jar:na]
	at info.magnolia.module.delta.SetupModuleRepositoriesTask.execute(SetupModuleRepositoriesTask.java:86) ~[magnolia-core-5.4.5.jar:na]
	... 9 common frames omitted

It looks like a data race between modules installation and RoleManager creation: when SetupModuleRepositoriesTask tries to retrieve RoleManager sometimes it hasn't created yet.


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