[jira] [Comment Edited] (GROOVY-8912) Cannot cast object ... with class 'java.lang.Class' to class 'groovy.lang.GroovyObject'

["Paul King (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-8912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16740995#comment-16740995 ] 

Paul King edited comment on GROOVY-8912 at 1/12/19 4:49 AM:
------------------------------------------------------------

I created a related issue, GROOVY-8955, when trying to create a standalone reproducer for this issue. I don't know yet whether a fix to that issue will fix both cases. It's from a few lines up from the relevant line here as I was setting up the context for this one.


was (Author: paulk):
I created a related issue, GROOVY-8955, when trying to create a standalone reproducer for this issue. I don't know yet whether a fix to that issue will fix both cases.

>  Cannot cast object  ... with class 'java.lang.Class' to class 'groovy.lang.GroovyObject'
> -----------------------------------------------------------------------------------------
>
>                 Key: GROOVY-8912
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8912
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 2.5.4
>            Reporter: Sergio del Amo
>            Priority: Major
>
> This code
> {{MetaProperty idProp = getJavaClass().getMetaClass().getMetaProperty(GormProperties.IDENTITY)}}
>  
> throws the next error:
>  {{org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'class grails.gorm.tests.path.domain.Person' with class 'java.lang.Class' to class 'groovy.lang.GroovyObject' at org.grails.datastore.gorm.neo4j.GraphPersistentEntity.initialize(GraphPersistentEntity.groovy:89) at org.grails.datastore.mapping.model.AbstractMappingContext.initializePersistentEntity(AbstractMappingContext.java:352) at org.grails.datastore.mapping.model.AbstractMappingContext.addPersistentEntities(AbstractMappingContext.java:283) at org.grails.datastore.gorm.neo4j.Neo4jMappingContext.<init>(Neo4jMappingContext.java:108) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.createMappingContext(Neo4jDatastore.java:385) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.<init>(Neo4jDatastore.java:163) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.<init>(Neo4jDatastore.java:250) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.<init>(Neo4jDatastore.java:272) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.<init>(Neo4jDatastore.java:282) at org.grails.datastore.gorm.neo4j.Neo4jDatastore.<init>(Neo4jDatastore.java:320) at grails.gorm.tests.path.PathSpec.$spock_initializeSharedFields(PathSpec.groovy:16)}}
>  
> But this is ok: 
>  {{Class clazz = getJavaClass()}}
>  {{MetaClass metaClass = clazz.getMetaClass()}}
>  {{MetaProperty idProp = metaClass.getMetaProperty(GormProperties.IDENTITY)}}
>  
> {{GormProperties.IDENTITY}} is String defined in an interface in a .java file.
>   
> *Steps to reproduce:.*
> You can find a link to the commit here:
> [https://github.com/grails/gorm-neo4j/commit/70a6321b902377303b762cc2cdb9e3f2c9a4b794]
>  
> Cloning the repo, reverting that commit and execute: 
>  
> ./gradlew --stacktrace grails-datastore-gorm-neo4j:test --tests grails.gorm.tests.path.PathSpec
>  
> and compilation fails



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