NPE when running scheduled job
------------------------------
Key: MAGNOLIA-4373
URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-4373
Project: Magnolia
Issue Type: Bug
Security Level: Public
Components: admininterface
Affects Versions: 4.5.1
Reporter: Federico Grilli
Assignee: Federico Grilli
Priority: Critical
Fix For: 4.5.3
This has been noticed when testing the demo activation job coming with the
scheduler module after upgrading the latter to Magnolia 4.5. Here is the error
{code}
2012-04-16 16:32:00,001 INFO info.magnolia.module.scheduler.CommandJob
: Starting job [demo]...
2012-04-16 16:32:00,004 ERROR
olia.module.admininterface.commands.VersionCommand: can't version
java.lang.NullPointerException
at
info.magnolia.context.AbstractContext.getJCRSession(AbstractContext.java:134)
at info.magnolia.context.MgnlContext.getJCRSession(MgnlContext.java:511)
at
info.magnolia.module.admininterface.commands.BaseRepositoryCommand.getNode(BaseRepositoryCommand.java:65)
at
info.magnolia.module.admininterface.commands.VersionCommand.execute(VersionCommand.java:75)
at
info.magnolia.commands.MgnlCommand.executePooledOrSynchronized(MgnlCommand.java:174)
at info.magnolia.commands.MgnlCommand.execute(MgnlCommand.java:161)
at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
at info.magnolia.module.scheduler.CommandJob.execute(CommandJob.java:93)
at org.quartz.core.JobRunShell.run(JobRunShell.java:223)
at
org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
{code}
The problem can be traced back to
{{info.magnolia.module.admininterface.commands.BaseRepositoryCommand.getNode(Context)}}
line #65 where the call to
info.magnolia.cms.security.PermissionUtil.isGranted(Session, String, String)
would get as a first param the current JCR session set in MgnlContext. Now,
{{info.magnolia.module.scheduler.CommandJob}}s set the ctx as a
{{info.magnolia.context.SimpleContext.SimpleContext}} whose repository strategy
is not set by default, hence the NPE.
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