[OPENJPA-1768] StackOverflowError when finding an Entity with an Eager ManyToMany relationship.

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.0.0, 2.1.0
• Fix Version/s: 2.2.0
• Component/s: datacache
• Assignee: Michael Dick
• Reporter: Richard G. Curtis
• Created: 13/Aug/10 19:48
• Updated: 13/Jul/11 16:11
• Resolved: 27/Jun/11 20:59

Description

I ran across the following StackOverflowError when working on OPENJPA-1469. I haven't done much for analysis on this failure, but to recreate the exception set "openjpa.DataCache","true" to the test org.apache.openjpa.jdbc.kernel.TestM2MBiVersion.

java.lang.StackOverflowError
at java.util.HashMap.getEntry(HashMap.java:508)
at java.util.HashMap.get(HashMap.java:496)
at org.apache.openjpa.datacache.DataCacheManagerImpl.isCachable(DataCacheManagerImpl.java:157)
at org.apache.openjpa.datacache.DataCacheManagerImpl.selectCache(DataCacheManagerImpl.java:140)
at org.apache.openjpa.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:414)
at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3047)
at org.apache.openjpa.kernel.StateManagerImpl.load(StateManagerImpl.java:451)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1127)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1033)
at org.apache.openjpa.kernel.AbstractPCData.toRelationFields(AbstractPCData.java:221)
at org.apache.openjpa.kernel.AbstractPCData.toNestedFields(AbstractPCData.java:168)
at org.apache.openjpa.kernel.AbstractPCData.toField(AbstractPCData.java:78)
at org.apache.openjpa.kernel.PCDataImpl.loadField(PCDataImpl.java:204)
at org.apache.openjpa.kernel.PCDataImpl.load(PCDataImpl.java:174)
at org.apache.openjpa.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:420)
at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3047)
at org.apache.openjpa.kernel.StateManagerImpl.load(StateManagerImpl.java:451)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1127)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1033)
at org.apache.openjpa.kernel.AbstractPCData.toRelationFields(AbstractPCData.java:221)
at org.apache.openjpa.kernel.AbstractPCData.toNestedFields(AbstractPCData.java:168)
at org.apache.openjpa.kernel.AbstractPCData.toField(AbstractPCData.java:78)
at org.apache.openjpa.kernel.PCDataImpl.loadField(PCDataImpl.java:204)
at org.apache.openjpa.kernel.PCDataImpl.load(PCDataImpl.java:174)
at org.apache.openjpa.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:420)
at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
......
at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3047)
at org.apache.openjpa.kernel.StateManagerImpl.load(StateManagerImpl.java:451)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1127)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1033)
at org.apache.openjpa.kernel.AbstractPCData.toRelationFields(AbstractPCData.java:221)
at org.apache.openjpa.kernel.AbstractPCData.toNestedFields(AbstractPCData.java:168)
at org.apache.openjpa.kernel.AbstractPCData.toField(AbstractPCData.java:78)
at org.apache.openjpa.kernel.PCDataImpl.loadField(PCDataImpl.java:204)
at org.apache.openjpa.kernel.PCDataImpl.load(PCDataImpl.java:154)
at org.apache.openjpa.datacache.DataCacheStoreManager.loadAll(DataCacheStoreManager.java:487)
at org.apache.openjpa.kernel.DelegatingStoreManager.loadAll(DelegatingStoreManager.java:122)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1104)
at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:1033)
at org.apache.openjpa.kernel.AbstractPCData.toRelationFields(AbstractPCData.java:221)
at org.apache.openjpa.kernel.AbstractPCData.toNestedFields(AbstractPCData.java:168)
at org.apache.openjpa.kernel.AbstractPCData.toField(AbstractPCData.java:78)
at org.apache.openjpa.kernel.PCDataImpl.loadField(PCDataImpl.java:204)
at org.apache.openjpa.kernel.PCDataImpl.load(PCDataImpl.java:154)
at org.apache.openjpa.datacache.DataCacheStoreManager.initialize(DataCacheStoreManager.java:368)
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:1014)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:972)
at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:889)
at org.apache.openjpa.kernel.DelegatingBroker.find(DelegatingBroker.java:223)
at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:477)

Issue Links

• blocks: OPENJPA-1469 Turn on DataCache by default