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https://issues.apache.org/jira/browse/OPENJPA-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12972465#action_12972465
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Rick Curtis commented on OPENJPA-1908:
--------------------------------------
I hate to say this but I the most timely solution to this problem is to not set
openjpa.RuntimeUnenhancedClasses to supported. There are numerous documented
issues with unenhanced classes and I don't think anyone will get to this
anytime soon. Please take a read through this[1] blog posting.
Thanks,
Rick
[1] http://webspherepersistence.blogspot.com/2009/02/openjpa-enhancement.html
> JDBCStoreManager.setInverseRelation throw NullPointerException when <property
> name="openjpa.RuntimeUnenhancedClasses" value="supported" />
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-1908
> URL: https://issues.apache.org/jira/browse/OPENJPA-1908
> Project: OpenJPA
> Issue Type: Bug
> Components: UnenhancedClasses
> Affects Versions: 2.0.0
> Environment: apache-tomcat-7.0.5
> Reporter: eshock
> Priority: Minor
>
> When <property name="openjpa.RuntimeUnenhancedClasses" value="supported" />
> and entity has a OneToMany field with FetchType.EAGER
> @OneToMany(cascade = ALL, fetch = EAGER)
> private List<?> list;
> JDBCStoreManager.setInverseRelation try to get meta data from cache, but sub
> class is not in the cache when openjpa.RuntimeUnenhancedClasses is supported.
> nested exception is <openjpa-2.0.0-r422266:935683 nonfatal general error>
> org.apache.openjpa.persistence.PersistenceException: null
> java.lang.NullPointerException
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.setInverseRelation(JDBCStoreManager.java:489)
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:449)
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:342)
> at
> org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
> at
> org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
> at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1005)
> at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:963)
> at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:885)
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1050)
> at
> org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:280)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2344)
> at
> org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:274)
> at
> org.apache.openjpa.jdbc.kernel.InstanceResultObjectProvider.getResultObject(InstanceResultObjectProvider.java:59)
> at
> org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
> at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1246)
> at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005)
> at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:861)
> at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:792)
> at
> org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
> at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:288)
> at
> org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302)
> at
> org.springframework.orm.jpa.JpaTemplate$10.doInJpa(JpaTemplate.java:330)
> at
> org.springframework.orm.jpa.JpaTemplate$10.doInJpa(JpaTemplate.java:1)
> at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:183)
> at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:146)
> at
> org.springframework.orm.jpa.JpaTemplate.findByNamedParams(JpaTemplate.java:321)
> ...
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