[#GRAILS-2689] Domain classes with that have properties of the same class cause grails hibernate to crash on startup

Grails

Domain classes with that have properties of the same class cause grails hibernate to crash on startup

Created: 21/Mar/08 02:03 PM Updated: Sunday 07:31 PM

Component/s:

Persistence

Affects Version/s:

1.0.2

Fix Version/s:

1.0.3

Time Tracking:

Not Specified

File Attachments:

grails_2689.patch (0.9 kb)

Environment:

XP Dev Machine

Issue Links:

Duplicate

This issue is duplicated by:

~~GRAILS-2754~~ Self-relationship throws exception and causes HTTP error 503 (server unavailable)

~~GRAILS-2713~~ NPE in GrailsDomainConfigurationUtil.isCandidateForOtherSide()

~~GRAILS-2885~~ confusing NullPointerException

~~GRAILS-2710~~ grails-samples 's bookmarks can not run in Grails 1.0.2

~~GRAILS-2733~~ recursive GORM relationship causes NPE

~~GRAILS-2933~~ Self-referencing domain class throws nullpointer exception

Description

« Hide

Domain classes such as this one:

class Person {
Person creator
}

cause grails hibernate to crash with an NPE error.

error at end of stack trace:

2008-03-20 16:22:52.460::WARN: Nested in org.springframework.beans.factory.Bean
CreationException: Error creating bean with name 'transactionManager': Cannot re
solve reference to bean 'sessionFactory' while setting bean property 'sessionFac
tory'; nested exception is org.springframework.beans.factory.BeanCreationExcepti
on: Error creating bean with name 'sessionFactory': Invocation of init method fa
iled; nested exception is java.lang.NullPointerException:
java.lang.NullPointerException
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessController.doPrivileged(Native Method)
at RunApp_groovy$_run_closure2_closure7.doCall(RunApp_groovy:68)
at RunApp_groovy$_run_closure2_closure7.doCall(RunApp_groovy)
at Init_groovy$_run_closure6.doCall(Init_groovy:128)
at RunApp_groovy$_run_closure2.doCall(RunApp_groovy:67)
at RunApp_groovy$_run_closure2.doCall(RunApp_groovy)
at RunApp_groovy$_run_closure1.doCall(RunApp_groovy:59)
at RunApp_groovy$_run_closure1.doCall(RunApp_groovy)
at gant.Gant.dispatch(Gant.groovy:271)
at gant.Gant.this$2$dispatch(Gant.groovy)
at gant.Gant.invokeMethod(Gant.groovy)
at gant.Gant.processTargets(Gant.groovy:436)
at gant.Gant.processArgs(Gant.groovy:372)

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Chanwit Kaewkasi - 22/Mar/08 04:26 PM

I've got a patch. All tests passed. But I think we need a new test for circular referencing regression.

[ Permlink | « Hide ]

Chanwit Kaewkasi - 22/Mar/08 05:17 PM

It seems that the test "CircularRelationshipTests" could not catch this bug.

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Peter Ledbrook - 31/Mar/08 04:35 AM

I'm not sure the patch is correct. Surely isBidirectional() should not be returning true in this case? I'm sure it's a uni-directional relationship. I'll have a look at why Grails considers the relationship to be bidirectional.

[ Permlink | « Hide ]

Peder Jakobsen - 21/Apr/08 01:40 AM

Hi, I'm new to grails and patching, but I need this patch in order to get the example Grails code from Groovy in Action to run.

I'n order to apply this patch, do I need to have the source code checked out from subversion? WHere can I read more about patching from Jira? My search came up empty. Also, how can I check out from the grails repos?

Thanks

[ Permlink | « Hide ]

Peter Ledbrook - 21/Apr/08 02:57 AM

You have two options:

Get a 1.0.3-SNAPSHOT from the build server, or check out the latest code from subversion
Download the 1.0.2 source code from the Grails website and apply the patch (for example: patch -p0 < grails_2689.patch )

Information on checking the source code out of subversion can be found here.

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Peder Jakobsen - 21/Apr/08 04:43 AM

The snapshots page is empty at http://snapshots.dist.codehaus.org/grails/

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Pam - 30/Apr/08 10:22 AM

Any idea when 1.0.3 is coming out? I'm not too comfortable using code I've patched and build myself.

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Peter Ledbrook - 30/Apr/08 10:40 AM

No, sorry. The main developers are really tied up at the moment, unfortunately. I would seriously consider getting hold of one of the 1.0.3 snapshots. Just follow the instructions here:

http://www.grails.org/Download

under "Grails 1.1 Development Build".