Hi
I have loked on the ail list and found something similar to this. Certain
times when I query a particular class
That is not part of an extent but has (indirect) references to other objects
that are part of an extent
I get materialisation errors:
org.apache.ojb.broker.metadata.MetadataException: IllegalAccess error
setting field:rank in
object:com.credittrade.instruments.derivatives.CreditDefaultSwap
at
org.apache.ojb.broker.accesslayer.BasePrefetcher.prefetchRelationship(BasePr
efetcher.java:137)
at
org.apache.ojb.broker.core.QueryReferenceBroker.performRetrievalTasks(QueryR
eferenceBroker.java:329)
at
org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryRe
ferenceBroker.java:167)
at
org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryRe
ferenceBroker.java:233)
at
org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryRe
ferenceBroker.java:253)
at
org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Persis
tenceBrokerImpl.java:1217)
at
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(
DelegatingPersistenceBroker.java:338)
at
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(
DelegatingPersistenceBroker.java:338)
at
com.credittrade.market.pc.options.OptionPriceLoader.fillOutReferenceLevels(O
ptionPriceLoader.java:83)
at
com.credittrade.market.pc.PriceLoaderAbstractImpl.fillOutLastTraded(PriceLoa
derAbstractImpl.java:313)
at
com.credittrade.market.pc.PriceLoaderAbstractImpl.initialLoad(PriceLoaderAbs
tractImpl.java:57)
at
com.credittrade.market.pc.ClientPriceLoader$InitialLoad.execute(ClientPriceL
oader.java:99)
at
com.credittrade.system.js.RPCTaskEntry.execute(RPCTaskEntry.java:63)
at
com.credittrade.system.js.TaskEntryProcessor.processEntry(TaskEntryProcessor
.java:41)
at
com.credittrade.system.js.SpaceWorker$HandOff.run(SpaceWorker.java:230)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja
va:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6
75)
at java.lang.Thread.run(Thread.java:595)
After delving through the code even though OJB "knows" that I am trying to
materialize an instance of a CreditDefaultSwap
It is using the class/field descriptors for another type in the extent. The
class I want (CreditDefaultSwap)
Has a field converter for the field/column causing the problem but the other
class does not & hence when OJB attempts to set
The field into the object we get an IllegalAccessException as it is triyng
to place an unconverted value into the field.
All classes in the extent causing the problem are mapped onto a single
table. The primary key is an INTEGER and is guarantted to be
Unique (I have a UNIQUE PK constraint on the column) and I have queried the
table for the relevant ID (for the problem object
The primary key has the right ojbConcreteClass value in the table
(CreditDefaultSwap).
Has anyone come up against this before.
I am using v1.0.1 & Java 5. The line numbers may not quite be correct as I
have some print statement in place for debugging...
Thanks
Mark Rowell
-------------------------------------------
Mark Rowell
Structured Credit Europe
CreditTrade Limited
No. 1 London Bridge, 6th Floor
London SE1 9QL
Tel +44 (0)20 7098 1653
http://www.credittrade.com
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