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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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