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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (OPENJPA-1957) XML overriding column names for ArrayList attributes causes exception.
Date Wed, 09 Mar 2011 22:48:59 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick resolved OPENJPA-1957.
-----------------------------------

    Resolution: Fixed

> XML overriding column names for ArrayList attributes causes exception.
> ----------------------------------------------------------------------
>
>                 Key: OPENJPA-1957
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1957
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 1.2.2, 2.0.1, 2.1.0
>            Reporter: Heath Thomann
>            Assignee: Michael Dick
>            Priority: Minor
>             Fix For: 1.2.3, 2.0.2, 2.1.1, 2.2.0
>
>
> Take an entity class similar to the following:
> public class MyEntity implements Serializable {
>    protected String _id;
>    protected ArrayList<String> myStrings = new ArrayList<String>();
> .......
> and a corresponding XML mapping in orm.xml:
>   	<entity class="somepackage.MyEntity" access="FIELD">
> 		<table name="MY_TABLE"/>
> 		<attributes>
> 			<id name="_id">
> 				<column name="MYENTITY_ID" nullable="false" />
> 			</id>
>           <basic name="myStrings">
>             <column name="MY_STRINGS"/>
>             <lob/>
>          </basic>
> 		</attributes>
> 	</entity>
> With this configuration, the following exception can occur:
> org.apache.openjpa.persistence.ArgumentException: You have supplied columns for "somepackage.MyEntity.myStrings<element:class
java.lang.String>", but this mapping cannot have columns in this context.
> 	at org.apache.openjpa.jdbc.meta.MappingInfo.assertNoSchemaComponents(MappingInfo.java:327)
> 	at org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy.map(HandlerFieldStrategy.java:77)
> 	at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
> 	at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
> 	at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
> 	at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
> 	at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:881)
> 	at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:418)
> ..............

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