APAR status
Closed as program error.
Error description
EclipseLink throws an exception for JPQL and CriteriaBuilder queries if they attempt to JOIN on fields of Embeddable type. However, performing these JOINs on Embeddable fields is supported by the JPA specification. Exception example: ´´´ org.eclipse.persistence.exceptions.JPQLException Exception Description: Problem compiling [SELECT e FROM Employee e JOIN e.contactInfo c JOIN c.phones p]. [30, 43] The collection-valued path 'e.contactInfo' must resolve to an association field. ´´´
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server - Java Persistence API - JPA 2.1 & * * EclipseLink * **************************************************************** * PROBLEM DESCRIPTION: EclipseLink throws an exception for * * JPQL and CriteriaBuilder * * queries if they attempt to JOIN on * * fields of Embeddable type. * * However, performing these JOINs on * * Embeddable fields is * * supported by the JPA specification. * **************************************************************** * RECOMMENDATION: * **************************************************************** Eclipselink doesnt support JOINs against Embeddable fields, but the JPA specification describes that it should be supported Example Query: ´´´ SELECT p.vendor FROM Employee e JOIN e.contactInfo c JOIN c.phones p WHERE e.contactInfo.address.zipcode = '95054' ´´´ Example exception: ´´´ JPQLException Exception Description: Problem compiling [SELECT e FROM Employee e JOIN e.contactInfo c JOIN c.phones p]. [30, 43] The collection-valued path 'e.contactInfo' must resolve to an association field. at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildExce ption(HermesParser.java:155) at org.eclipse.persistence.internal.jpa.jpql.HermesParser.validate( HermesParser.java:347) at org.eclipse.persistence.internal.jpa.jpql.HermesParser.populateQ ueryImp(HermesParser.java:278) at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildQuer y(HermesParser.java:163) ´´´
Problem conclusion
The fix for this APAR changes the EclipseLink implementation and involves an update to the third-party source. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=570702 This fix is currently targeted for WebSphere Application Server 9.0.5.9. For more information, see 'Recommended Updates for WebSphere Application Server': https://www.ibm.com/support/pages/node/715553
Temporary fix
Comments
APAR Information
APAR number
PH36828
Reported component name
WEBSPHERE APP S
Reported component ID
5724J0800
Reported release
900
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-04-29
Closed date
2021-07-07
Last modified date
2021-07-07
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WEBSPHERE APP S
Fixed component ID
5724J0800
Applicable component levels
R900 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
01 November 2021