In-memory Delete operation fails with active DataCache

• Key: OPENJPA-35
• Type: Bug
• Status: Resolved
• Resolution: Fixed
• Priority: Critical
• Assignee: Unassigned
• Reporter: Pinaki Poddar
• Component/s: datacache, query
• Affects Version/s: 0.9.0, 0.9.6
• Fix Version/s: 0.9.7

Environment

Only happens when DataCache is active
<property name="openjpa.DataCache" value="true"/>
<property name="openjpa.RemoteCommitProvider" value="sjvm"/>

Description

Delete through query such as
Query query = em.createQuery("DELETE FROM Node n");
query.executeUpdate();

fails with following exception (only when DataCache is active)
Exception in thread "main" <4|false|0.0.0> org.apache.openjpa.persistence.ArgumentException: org.apache.openjpa.datacache.QueryCacheStoreQuery
at org.apache.openjpa.kernel.QueryImpl.deleteInMemory(QueryImpl.java:1029)
at org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeDelete(ExpressionStoreQuery.java:665)
at org.apache.openjpa.datacache.QueryCacheStoreQuery$QueryCacheExecutor.executeDelete(QueryCacheStoreQuery.java:348)
at org.apache.openjpa.kernel.QueryImpl.delete(QueryImpl.java:1012)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:768)
at org.apache.openjpa.kernel.QueryImpl.deleteAll(QueryImpl.java:831)
at org.apache.openjpa.kernel.QueryImpl.deleteAll(QueryImpl.java:827)
at org.apache.openjpa.kernel.DelegatingQuery.deleteAll(DelegatingQuery.java:544)
at org.apache.openjpa.persistence.QueryImpl.executeUpdate(QueryImpl.java:299)
at control.Test.clear(Test.java:87)
at control.Test.run(Test.java:37)
at control.Test.main(Test.java:178)
Caused by: java.lang.ClassCastException: org.apache.openjpa.datacache.QueryCacheStoreQuery
at org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:651)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:949)
at org.apache.openjpa.kernel.QueryImpl.deleteInMemory(QueryImpl.java:1018)
... 11 more