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GORM produces errors saying I have duplicate entries on some hidden API code

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GORM produces errors saying I have duplicate entries on some hidden API code

olivertynes
Compiles just fine, but when I run-app it spits out this exception:

| Error 2012-08-05 22:53:33,033 [pool-6-thread-1] ERROR
context.GrailsContextLoader  - Error executing bootstraps: Error
creating bean with name 'sessionFactory': Invocation of init method
failed; nested exception is org.hibernate.MappingException: Duplicate
property mapping of _seShorefaceIndexBackref found in
no.cipr.safari.model.depositional.outcrop.se.SeShoreface
Message: Error creating bean with name 'sessionFactory': Invocation of
init method failed; nested exception is
org.hibernate.MappingException: Duplicate property mapping of
_seShorefaceIndexBackref found in
no.cipr.safari.model.depositional.outcrop.se.SeShoreface
   Line | Method
->>  95 | postProcessBeanFactory in
org.grails.datastore.gorm.plugin.support.PersistenceContextInterceptorAggregator
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|   303 | innerRun               in java.util.concurrent.FutureTask$Sync
|   138 | run . . . . . . . . .  in java.util.concurrent.FutureTask
|   886 | runTask                in
java.util.concurrent.ThreadPoolExecutor$Worker
|   908 | run . . . . . . . . .  in     ''
^   680 | run                    in java.lang.Thread

Caused by MappingException: Duplicate property mapping of
_seShorefaceIndexBackref found in
no.cipr.safari.model.depositional.outcrop.se.SeShoreface
->>  95 | postProcessBeanFactory in
org.grails.datastore.gorm.plugin.support.PersistenceContextInterceptorAggregator
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|   303 | innerRun               in java.util.concurrent.FutureTask$Sync
|   138 | run . . . . . . . . .  in java.util.concurrent.FutureTask
|   886 | runTask                in
java.util.concurrent.ThreadPoolExecutor$Worker
|   908 | run . . . . . . . . .  in     ''
^   680 | run                    in java.lang.Thread

Process finished with exit code 1



The offending class (if I remove backlinks, other similar classes make
the same error):

package no.cipr.safari.model.depositional.outcrop.se

import no.cipr.safari.model.depositional.outcrop.ae.AeLowerShorefaceDeposit
import no.cipr.safari.model.depositional.outcrop.ae.AeRipChannel
import no.cipr.safari.model.depositional.outcrop.ae.AeUpperShorefaceDeposit

class SeShoreface {

    //Entity attributes
    OutcropSubEnvironment subEnvironment
    List<AeLowerShorefaceDeposit> aeLowerShorefaceDeposit
    List<AeRipChannel> aeRipChannel
    List<AeUpperShorefaceDeposit> aeUpperShorefaceDeposit

    static hasMany = [
            aeLowerShorefaceDeposit: AeLowerShorefaceDeposit,
            aeRipChannel: AeRipChannel,
            aeUpperShorefaceDeposit: AeUpperShorefaceDeposit
    ]


    static belongsTo = [
            filShoreface: FilShoreface,
            filTideInfluencedBarrierIsland: FilTideInfluencedBarrierIsland,
            filTideInfluencedShoreface: FilTideInfluencedShoreface,
            filWaveDominatedDelta: FilWaveDominatedDelta,
            filWaveDominatedEstuary: FilWaveDominatedEstuary,
            filWaveInfluencedTidalShoreline: FilWaveInfluencedTidalShoreline,
            filBarrierIsland: FilBarrierIsland
    ]

    static constraints = {
        aeLowerShorefaceDeposit(nullable: true)
        aeRipChannel(nullable: true)
        aeUpperShorefaceDeposit(nullable: true)
        //Multiple backlinks needs to be nullable
        filShoreface(nullable: true)
        filTideInfluencedBarrierIsland(nullable: true)
        filTideInfluencedShoreface(nullable: true)
        filWaveDominatedDelta(nullable: true)
        filWaveDominatedEstuary(nullable: true)
        filWaveInfluencedTidalShoreline(nullable: true)
        filBarrierIsland(nullable: true)
    }
}

I am pretty sure this is stemming from the general model structure
being a tree with some interconnected branches, making some entities
getting picked up twice but I have no idea how to solve it.

Grails version 2.1.0..

--
*****
Oliver Tynes
Developer
Uni CIPR -- www.cipr.uni.no
55588266
*****

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olivertynes
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Re: GORM produces errors saying I have duplicate entries on some hidden API code

olivertynes
This is the bug I think:

https://hibernate.onjira.com/browse/HHH-2598

And it says fixed for 3.2 and upwards... but grails doesn't use the
hibernate version of this, it has rolled it's own in grails-hibernate.

The offending code is here:
https://github.com/grails/grails-core/blob/master/grails-hibernate/src/main/groovy/org/codehaus/groovy/grails/orm/hibernate/cfg/GrailsDomainBinder.java#L463

So.. if you have multiple domains pointing hasMany at a single domain,
all using the same name *and* that domain being pointed at has
belongsTo, you get a name collision.

Now.. what do I do from here, do I JIRA it?
The solution chosen in hibernate is very straightforward, simply add
the parent name to the backref and you're done.
I can patch in that and do a pull request maybe?

If some of the core team guys sees this, please provide some feedback.

-Oliver

On Sun, Aug 5, 2012 at 11:20 PM, Oliver Severin Tynes <[hidden email]> wrote:

> Compiles just fine, but when I run-app it spits out this exception:
>
> | Error 2012-08-05 22:53:33,033 [pool-6-thread-1] ERROR
> context.GrailsContextLoader  - Error executing bootstraps: Error
> creating bean with name 'sessionFactory': Invocation of init method
> failed; nested exception is org.hibernate.MappingException: Duplicate
> property mapping of _seShorefaceIndexBackref found in
> no.cipr.safari.model.depositional.outcrop.se.SeShoreface
> Message: Error creating bean with name 'sessionFactory': Invocation of
> init method failed; nested exception is
> org.hibernate.MappingException: Duplicate property mapping of
> _seShorefaceIndexBackref found in
> no.cipr.safari.model.depositional.outcrop.se.SeShoreface
>    Line | Method
> ->>  95 | postProcessBeanFactory in
> org.grails.datastore.gorm.plugin.support.PersistenceContextInterceptorAggregator
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> |   303 | innerRun               in java.util.concurrent.FutureTask$Sync
> |   138 | run . . . . . . . . .  in java.util.concurrent.FutureTask
> |   886 | runTask                in
> java.util.concurrent.ThreadPoolExecutor$Worker
> |   908 | run . . . . . . . . .  in     ''
> ^   680 | run                    in java.lang.Thread
>
> Caused by MappingException: Duplicate property mapping of
> _seShorefaceIndexBackref found in
> no.cipr.safari.model.depositional.outcrop.se.SeShoreface
> ->>  95 | postProcessBeanFactory in
> org.grails.datastore.gorm.plugin.support.PersistenceContextInterceptorAggregator
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> |   303 | innerRun               in java.util.concurrent.FutureTask$Sync
> |   138 | run . . . . . . . . .  in java.util.concurrent.FutureTask
> |   886 | runTask                in
> java.util.concurrent.ThreadPoolExecutor$Worker
> |   908 | run . . . . . . . . .  in     ''
> ^   680 | run                    in java.lang.Thread
>
> Process finished with exit code 1
>
>
>
> The offending class (if I remove backlinks, other similar classes make
> the same error):
>
> package no.cipr.safari.model.depositional.outcrop.se
>
> import no.cipr.safari.model.depositional.outcrop.ae.AeLowerShorefaceDeposit
> import no.cipr.safari.model.depositional.outcrop.ae.AeRipChannel
> import no.cipr.safari.model.depositional.outcrop.ae.AeUpperShorefaceDeposit
>
> class SeShoreface {
>
>     //Entity attributes
>     OutcropSubEnvironment subEnvironment
>     List<AeLowerShorefaceDeposit> aeLowerShorefaceDeposit
>     List<AeRipChannel> aeRipChannel
>     List<AeUpperShorefaceDeposit> aeUpperShorefaceDeposit
>
>     static hasMany = [
>             aeLowerShorefaceDeposit: AeLowerShorefaceDeposit,
>             aeRipChannel: AeRipChannel,
>             aeUpperShorefaceDeposit: AeUpperShorefaceDeposit
>     ]
>
>
>     static belongsTo = [
>             filShoreface: FilShoreface,
>             filTideInfluencedBarrierIsland: FilTideInfluencedBarrierIsland,
>             filTideInfluencedShoreface: FilTideInfluencedShoreface,
>             filWaveDominatedDelta: FilWaveDominatedDelta,
>             filWaveDominatedEstuary: FilWaveDominatedEstuary,
>             filWaveInfluencedTidalShoreline: FilWaveInfluencedTidalShoreline,
>             filBarrierIsland: FilBarrierIsland
>     ]
>
>     static constraints = {
>         aeLowerShorefaceDeposit(nullable: true)
>         aeRipChannel(nullable: true)
>         aeUpperShorefaceDeposit(nullable: true)
>         //Multiple backlinks needs to be nullable
>         filShoreface(nullable: true)
>         filTideInfluencedBarrierIsland(nullable: true)
>         filTideInfluencedShoreface(nullable: true)
>         filWaveDominatedDelta(nullable: true)
>         filWaveDominatedEstuary(nullable: true)
>         filWaveInfluencedTidalShoreline(nullable: true)
>         filBarrierIsland(nullable: true)
>     }
> }
>
> I am pretty sure this is stemming from the general model structure
> being a tree with some interconnected branches, making some entities
> getting picked up twice but I have no idea how to solve it.
>
> Grails version 2.1.0..
>
> --
> *****
> Oliver Tynes
> Developer
> Uni CIPR -- www.cipr.uni.no
> 55588266
> *****



--
*****
Oliver Tynes
Developer
Uni CIPR -- www.cipr.uni.no
55588266
*****

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