Hi Josef,

could this be a proxy issue? Please check the settings in OJB.properties file - do you need CGLib based proxies?

regards,
Armin

Josef Wagner wrote:
Hi Armin,
i tried to starting my application width 1.0.5, but no success.
I can`t get any informations when looking into the log.
I think, it`s an Java Reflection Problem:
Hier is the log output, have you any idee ?

java.lang.reflect.InvocationTargetException
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:357)
   at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:291)
at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:447) at de.on_ergy.lakon.rcp.dialog.LoginDialog.buttonPressed(LoginDialog.java:114)
   at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:556)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
   at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
   at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
   at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3125)
   at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2758)
   at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)
   at org.eclipse.jface.window.Window.open(Window.java:787)
   at de.on_ergy.base.ui.OnErgyDialog.open(OnErgyDialog.java:132)
at de.on_ergy.lakon.rcp.LakonWorkbenchWindowAdviser.postWindowOpen(LakonWorkbenchWindowAdviser.java:209) at org.eclipse.ui.internal.WorkbenchWindow.fireWindowOpened(WorkbenchWindow.java:1070) at org.eclipse.ui.internal.WorkbenchWindow.open(WorkbenchWindow.java:701) at org.eclipse.ui.internal.Workbench.busyOpenWorkbenchWindow(Workbench.java:677) at org.eclipse.ui.internal.Workbench.doOpenFirstTimeWindow(Workbench.java:1282) at org.eclipse.ui.internal.Workbench.openFirstTimeWindow(Workbench.java:1223) at org.eclipse.ui.internal.WorkbenchConfigurer.openFirstTimeWindow(WorkbenchConfigurer.java:190) at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:706)
   at org.eclipse.ui.internal.Workbench.init(Workbench.java:1034)
   at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1636)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
   at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
   at de.on_ergy.lakon.rcp.RcpApplication.run(RcpApplication.java:44)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
   at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
   at org.eclipse.core.launcher.Main.run(Main.java:973)
   at org.eclipse.core.launcher.Main.main(Main.java:948)
Caused by: org.apache.ojb.broker.PersistenceBrokerException: java.lang.NullPointerException at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryReferenceBroker.java:290) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(PersistenceBrokerImpl.java:1597) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(DelegatingPersistenceBroker.java:393) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(DelegatingPersistenceBroker.java:393) at de.on_ergy.base.provider.OnErgyDataProviderOjb.select(OnErgyDataProviderOjb.java:518) at de.on_ergy.lakon.data.DataProviderOjb.select(DataProviderOjb.java:1486) at de.on_ergy.lakon.data.DataProviderOjb.select(DataProviderOjb.java:1473) at de.on_ergy.base.provider.OnErgyDataProviderOjb.select(OnErgyDataProviderOjb.java:480)
   at de.on_ergy.lakon.data.DataProvider.select(DataProvider.java:248)
   at de.on_ergy.lakon.bp.stammdaten.LakonBP.select(LakonBP.java:131)
   at de.on_ergy.lakon.rcp.dialog.LoginDialog$1.run(LoginDialog.java:97)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:346)
   ... 36 more
Caused by: java.lang.NullPointerException
at org.apache.ojb.broker.core.QueryReferenceBroker.access$000(QueryReferenceBroker.java:64) at org.apache.ojb.broker.core.QueryReferenceBroker$PBMaterializationListener.addThisListenerTo(QueryReferenceBroker.java:990) at org.apache.ojb.broker.core.QueryReferenceBroker$PBPrefetchingListener.<init>(QueryReferenceBroker.java:1048) at org.apache.ojb.broker.core.QueryReferenceBroker$PBMaterializationListener.<init>(QueryReferenceBroker.java:985) at org.apache.ojb.broker.core.QueryReferenceBroker.retrieveReference(QueryReferenceBroker.java:413) at org.apache.ojb.broker.core.QueryReferenceBroker.retrieveReferences(QueryReferenceBroker.java:495) at org.apache.ojb.broker.accesslayer.RsIterator.getObjectFromResultSet(RsIterator.java:490) at org.apache.ojb.broker.accesslayer.RsIterator.next(RsIterator.java:280) at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryReferenceBroker.java:143) at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(QueryReferenceBroker.java:277)
   ... 47 more


thanks for your help!
regrads
Josef

Armin Waibel schrieb:
Hi Josef,

Josef Wagner wrote:
Hello List,

I have a problem width loading large data from tables width clob-culumns.
db: oracle 9.2.0.8
ojb: 1.0.4
driver: thin

When i load 15000 rows, my applikation gets an OutOfMemoryError. I have ensure, that Oracle width clobs is the problem, width HSQLDB, all works fine. The data in the clob-culumns are texts width AKTUALLY no more then 100 charakters.

I have checked out the trunk of ojb and I see, that in the platform package are some wrapper-classes for clob und blob?

yep, I reworked the LOB-support a bit and add Blob/Clob java-types support (before OJB converts all LOB's to byte[]).


Unforunatelly, I can't test if this is the solution of my problem, because I get lots of errors when starting my application width a jar from the trunk version.


Don't use the trunk it's the alpha OJB 2.x. Please check out the OJB_1_0_RELEASE branch it's the stable upcoming OJB 1.0.5 version.


Can anybody tell me, if the source in the trunk is the solution for such problems I have?

Don't know - give it a try.


Or is the solution to switch to oralce 10g?

I run the LOB-test against OracleXE 10.2.0.1 and classes12_g_10.2.0.2.jar driver. http://svn.apache.org/viewvc/db/ojb/branches/OJB_1_0_RELEASE/src/test/org/apache/ojb/broker/lob/LOBTest.java?view=markup
The tests handle CLOB's up to 5000 characters.

Or should I use OCI instead of THIN driver?

Sorry I don't know (not a Oracle expert).

regards,
Armin

Thanks a lot for your answers.

regrads
Josef Wagner

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