Kavathekar, Sunit wrote:
I have a working castor intall which I can use to read and insert objects. When I try any updates to any object at all, I get an ObjectModifiedException as follows:
6871 [main] ERROR com.amazon.invhealth.disposition.dispsitionchannels.marketplace.tests.TestMarketplaceDataManipulator - Persistence Exception in executeDispositionDecision from JDO layer
org.exolab.castor.jdo.ObjectModifiedException: Transaction aborted: Object of type com.amazon.invhealth.disposition.dataentities.RemovalCandidate with identity 1,335,206,261 has been modified by a concurrent transaction (cache entry is different from database row)
at org.exolab.castor.jdo.engine.SQLEngine.store(SQLEngine.java:880)
at org.exolab.castor.persist.ClassMolder.store(ClassMolder.java:1609)
at org.exolab.castor.persist.LockEngine.store(LockEngine.java:750)
at org.exolab.castor.persist.TransactionContext.prepare(TransactionContext.java:1540)
at org.exolab.castor.jdo.engine.DatabaseImpl.commit(DatabaseImpl.java:512)
at
The code is simple enough - load an object and modify it then commit.
try {
// Define the JDO object db = MarketplaceChannelDataAccessor._db; // Begin a transaction db.begin(); // Do something RemovalCandidate rc = (RemovalCandidate)db.load(RemovalCandidate.class,new Long(1335206261L)); rc.setQuantity(0); rc.setOriginalBinItemQuantity(0); rc.setRefundAmount(0); rc.setRemovalReasonNotes("Test for disposition service");
db.commit();
} catch (PersistenceException e) { Logger.getLogger(this.getClass()).error("Persistence Exception in executeDispositionDecision from JDO layer", e); try { //dbConn.rollback(); db.rollback(); } catch (PersistenceException eSQL) { Logger.getLogger(this.getClass()).error("Persistence Exception during txn rollback from JDO layer", eSQL); } }
Sunit,
It looks to me like the client code posted above is OK. The only question I have is the comment that states 'Do something'. Have you removed some code there and replaced it with that comment? Also please post the relevant portion of the mapping descriptor for classes involved above.
Bruce
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