OK, that was the problem. Thanks.
M.
On Thu, 10 Feb 2005 07:53:27 +0100, Armin Waibel <[EMAIL PROTECTED]> wrote:
> >
> > So what's going on here?
>
> are you sure that "OSCache" is really used by OJB? You set the OSCache
> in OJB.properties, but is a cache in repository_database.xml file
> (object-cache element in in the jdbc-connection-descriptor) set too? Are
> specific caches set for classes (object-cache element in class-descriptor)?
>
> regards,
> Armin
>
> Michael Newton wrote:
> > I wrote a test as you suggested and it actually passed for both
> > ObjectCacheOSCacheImpl and for the ObjectCacheDefaultImpl
> >
> > I have print statements in the constructor, lookup, and cache methods
> > in ObjectCacheOSCacheImpl.
> >
> > Here is my test:
> > public void testCache () throws Exception {
> > PersistenceBroker broker =
> > PersistenceBrokerFactory.defaultPersistenceBroker();
> > Attribute a = new Attribute();
> > Identity oid = broker.serviceIdentity().buildIdentity(a);
> > broker.serviceObjectCache().cache(oid, a);
> > Attribute b = (Attribute) broker.serviceObjectCache().lookup(oid);
> > assertNotNull(b);
> > }
> >
> >
> > and here is the output (running with ObjectCacheOSCacheImpl )
> >
> > [junit] Testsuite: legion.service.CacheTest
> > [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 1.472 sec
> > [junit] ------------- Standard Output ---------------
> > [junit] OSCache constructor
> > [junit] ------------- ---------------- ------------
> >
> > No "OSCache lookup" or "OSCache cache" messages are printed, and
> > OSCache does not write it's disk cache (although it creates the
> > directory)
> >
> > So what's going on here?
> >
> > M.
> >
> > On Thu, 10 Feb 2005 02:32:42 +0100, Armin Waibel <[EMAIL PROTECTED]> wrote:
> >
> >>Hi Michael,
> >>
> >>Michael Newton wrote:
> >>
> >>>I'm trying to use OSCache with OJB as I need disk persistence.
> >>>
> >>>My setup is working great with the other cache implementations.
> >>>
> >>>I got ObjectCacheOSCacheImpl.java from the db-obj-1.0.1-contrib
> >>>package, set up oscache-2.1, and set ObjectCacheClass to
> >>>ObjectCacheOSCacheImpl in my config.
> >>>
> >>>When I run it I get the following error, where OJB appears to be
> >>>trying to pass a Properties object to ObjectCacheOSCacheImpl's
> >>>constuctor:
> >>>
> >>>java.lang.NoSuchMethodException:
> >>>ObjectCacheOSCacheImpl.<init>(org.apache.ojb.broker.PersistenceBroker,
> >>>java.util.Properties)
> >>>
> >>>I see that the constructors that ObjectCacheOSCacheImpl does have are
> >>>all empty, so just for fun I added an empty constructor with the
> >>>profile that OJB was looking for. The Properties object that is passed
> >>>is null, by the way.
> >>>
> >>>Once I added this constructor, OJB ran and was fetching data from the
> >>>database.
> >>
> >>all ObjectCache implementations need a specific constructor expect an PB
> >>and Properties type. Thus you be right.
> >>
> >>
> >>
> >>>I could also see log output from OSCache itself like
> >>>"Creating cache". Also it created a disk cache directory on the
> >>>system, but doesn't write any files there.
> >>>
> >>>OJB does not seem to be calling cache() or lookup() on
> >>>ObjectCacheOSCacheImpl ( I put some logging in it to see if it was).
> >>>
> >>
> >>hmm, if OJB never calls cache or lookup in ObjectCacheOSCacheImpl it
> >>will never call these methods on all ObjectCache implementations,
> >>because they are all handled in the same way.
> >>Did you write a test case to check the cache? Something like
> >>
> >>Article a = new Article();
> >>Identity oid = broker.serviceIdentity().buildIdentity(a);
> >>broker.serviceObjectCache().cache(oid, a);
> >>
> >>Article b = broker.serviceObjectCache().lookup(oid);
> >>assertNotNull(b);
> >>
> >>This test should pass with ObjectCacheDefaultImpl and your
> >>ObjectCacheOSCacheImpl too.
> >>
> >>regards,
> >>Armin
> >>
> >>
> >>
> >>>Here are my ojb properties in case there is anything relevant there:
> >>>repositoryFile=ojb_repository.xml
> >>>useSerializedRepository=false
> >>>serializedRepositoryPath=.
> >>>PersistenceBrokerFactoryClass=org.apache.ojb.broker.core.PersistenceBrokerFactoryDefaultImpl
> >>>PersistenceBrokerClass=org.apache.ojb.broker.core.PersistenceBrokerImpl
> >>>maxActive=100
> >>>maxIdle=-1
> >>>maxWait=2000
> >>>timeBetweenEvictionRunsMillis=-1
> >>>minEvictableIdleTimeMillis=1000000
> >>>whenExhaustedAction=0
> >>>ConnectionFactoryClass=org.apache.ojb.broker.accesslayer.ConnectionFactoryPooledImpl
> >>>ConnectionManagerClass=org.apache.ojb.broker.accesslayer.ConnectionManagerImpl
> >>>SqlGeneratorClass=org.apache.ojb.broker.accesslayer.sql.SqlGeneratorDefaultImpl
> >>>IndirectionHandlerClass=org.apache.ojb.broker.core.proxy.IndirectionHandlerDefaultImpl
> >>>ListProxyClass=org.apache.ojb.broker.core.proxy.ListProxyDefaultImpl
> >>>SetProxyClass=org.apache.ojb.broker.core.proxy.SetProxyDefaultImpl
> >>>CollectionProxyClass=org.apache.ojb.broker.core.proxy.CollectionProxyDefaultImpl
> >>>StatementManagerClass=org.apache.ojb.broker.accesslayer.StatementManager
> >>>StatementsForClassClass=org.apache.ojb.broker.accesslayer.StatementsForClassImpl
> >>>JdbcAccessClass=org.apache.ojb.broker.accesslayer.JdbcAccessImpl
> >>>RowReaderDefaultClass=org.apache.ojb.broker.accesslayer.RowReaderDefaultImpl
> >>>ObjectCacheClass=ObjectCacheOSCacheImpl
> >>>descriptorBasedCaches=false
> >>>LockManagerClass=org.apache.ojb.odmg.locking.LockManagerDefaultImpl
> >>>LockMapClass=org.apache.ojb.odmg.locking.InMemoryLockMapImpl
> >>>LockTimeout=60000
> >>>ImplicitLocking=true
> >>>LockServletUrl=http://127.0.0.1:8080/ojb-lockserver
> >>>LockAssociations=WRITE
> >>>OqlCollectionClass=org.apache.ojb.odmg.collections.DListImpl_2
> >>>SqlInLimit=200
> >>>ImplementationClass=org.apache.ojb.odmg.ImplementationImpl
> >>>OJBTxManagerClass=org.apache.ojb.odmg.LocalTxManager
> >>>DListClass=org.apache.ojb.odmg.collections.DListImpl_2
> >>>DArrayClass=org.apache.ojb.odmg.collections.DListImpl_2
> >>>DMapClass=org.apache.ojb.odmg.collections.DMapImpl
> >>>DBagClass=org.apache.ojb.odmg.collections.DBagImpl
> >>>DSetClass=org.apache.ojb.odmg.collections.DSetImpl
> >>>PersistentFieldClass=org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDirectAccessImplNew
> >>>JTATransactionManagerClass=org.apache.ojb.broker.transaction.tm.JBossTransactionManagerFactory
> >>>
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