[SYNCOPE-1520] Exception when updating Group unique attribute with JPA JSON

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.5
• Fix Version/s: 2.1.6, 3.0.0-M0
• Component/s: core
• Labels: jpa-json
• Assignee: Francesco Chicchiriccò
• Reporter: Francesco Chicchiriccò
• Created: 02/Dec/19 15:01
• Updated: 29/Apr/20 07:37
• Resolved: 02/Dec/19 15:24

Description

When updating a Group's unique attribute, the following exception is logged:

java.util.ConcurrentModificationException: null
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1388) ~[?:1.8.0_232]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[?:1.8.0_232]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[?:1.8.0_232]
        at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:1.8.0_232]
        at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:1.8.0_232]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_232]
        at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) ~[?:1.8.0_232]
        at org.apache.syncope.core.persistence.jpa.dao.AbstractJPAJSONAnyDAO.checkBeforeSave(AbstractJPAJSONAnyDAO.java:317) ~[dao/:?]
        at org.apache.syncope.core.persistence.jpa.dao.PGJPAJSONAnyDAO.checkBeforeSave(PGJPAJSONAnyDAO.java:37) ~[dao/:?]