Or the prototypes are not configured or not loading properly?
On Sep 4, 2010, at 10:40 AM, Mike Schrag wrote: > I don't have source in front of me at the moment, but I seem to recall this > is when you accidentally forget to fill in the external type of an attribute > (the "varchar" part). Go back through the attributes in your model and give > then a once-over. I should really add a check to entity modeler for JDBC > attributes with missing required values. > > Sent from my iPhone > > On Sep 4, 2010, at 4:58 AM, Marvin <marvin.pub...@me.com> wrote: > >> Hi, >> >> I am new to WebObjects and am working through the documentation and Apple's >> Movies tutorial found here: >> http://developer.apple.com/legacy/mac/library/documentation/DeveloperTools/Conceptual/WOTutorial/DatabaseApplication/DatabaseApplication.html. >> >> I am running on Mac OS 10.6.4. >> >> I was able to get WebObects installed (version 5.4.3) along with the WOLips >> plugin for eclipse obtained from: >> http://wiki.objectstyle.org/confluence/display/WOL/Installing+WOLips. I >> installed it using method 2. >> >> I am using the built in VelocityEOGenerator with the Entity.java templates >> obtained from: >> http://wiki.objectstyle.org/confluence/display/WOL/EOGenerator+Templates+and+Additions. >> >> I have created the Movies database and have generated the Movies entities >> using the EO Generator and can launch the application but when I do a search >> as instructed in the tutorial I get the following exception. I have >> searched this mailing list archive and the web for elements of this error >> but have not had any luck Does anyone have any idea what is going wrong? >> >> Thanks for the help. >> >> Marvin >> >> >> [2010-9-4 4:3:15 EDT] <main> Waiting for requests... >> java.lang.NullPointerException >> at >> com.webobjects.jdbcadaptor.DerbyPlugIn$DerbyExpression.isLOBAttribute(DerbyPlugIn.java:345) >> at >> com.webobjects.jdbcadaptor.DerbyPlugIn$DerbyExpression.shouldUseBindVariableForAttribute(DerbyPlugIn.java:361) >> at >> com.webobjects.eoaccess.EOSQLExpression.sqlStringForValue(EOSQLExpression.java:1965) >> at >> com.webobjects.eoaccess.EOSQLExpression.sqlStringForKeyValueQualifier(EOSQLExpression.java:1659) >> at >> com.webobjects.eoaccess.EOQualifierSQLGeneration$_KeyValueQualifierSupport.sqlStringForSQLExpression(EOQualifierSQLGeneration.java:463) >> at >> com.webobjects.eoaccess.EOQualifierSQLGeneration$Support._sqlStringForSQLExpression(EOQualifierSQLGeneration.java:165) >> at >> com.webobjects.eoaccess.EOSQLExpression.sqlStringForArrayOfQualifiers(EOSQLExpression.java:1528) >> at >> com.webobjects.eoaccess.EOSQLExpression.sqlStringForConjoinedQualifiers(EOSQLExpression.java:1560) >> at >> com.webobjects.eoaccess.EOQualifierSQLGeneration$_AndQualifierSupport.sqlStringForSQLExpression(EOQualifierSQLGeneration.java:541) >> at >> com.webobjects.eoaccess.EOQualifierSQLGeneration$Support._sqlStringForSQLExpression(EOQualifierSQLGeneration.java:165) >> at >> com.webobjects.eoaccess.EOSQLExpression.prepareSelectExpressionWithAttributes(EOSQLExpression.java:997) >> at >> com.webobjects.jdbcadaptor.JDBCExpression.prepareSelectExpressionWithAttributes(JDBCExpression.java:146) >> at >> com.webobjects.eoaccess.EOSQLExpressionFactory.selectStatementForAttributes(EOSQLExpressionFactory.java:225) >> at >> com.webobjects.jdbcadaptor.JDBCChannel.selectAttributes(JDBCChannel.java:213) >> at >> com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationEditingContext(EODatabaseChannel.java:897) >> at >> com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(EODatabaseChannel.java:234) >> at >> com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3055) >> at >> com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195) >> at >> com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488) >> at >> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4069) >> at >> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444) >> at your.app.eo._Movie.fetchMovies(_Movie.java:84) >> at your.app.components.Main.searchMovies(Main.java:75) >> at sunreflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636) >> at >> com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134) >> at >> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324) >> at >> com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1736) >> at >> com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447) >> at >> com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212) >> at >> com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1804) >> at >> com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50) >> at >> com.webobjects.appserver._private.WOSubmitButton.invokeAction(WOSubmitButton.java:81) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> com.webobjects.appserver._private.WOForm.invokeAction(WOForm.java:141) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) >> at >> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) >> at >> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) >> at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357) >> at >> com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:206) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332) >> at >> comwebobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369) >> at >> com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442) >> at >> com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687) >> at >> com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144) >> at >> com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226) >> at java.lang.Thread.run(Thread.java:637) >> >> _______________________________________________ >> 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