Messaggio:

Causa:

Stack Trace:
eu.scriptaweb.bookmanager.ecommerce.AuthorsBooks.authorNames(AuthorsBooks.java:72) Stack Trace:
sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source) Stack Trace:
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) Stack Trace:
java.lang.reflect.Method.invoke(Method.java:585) Stack Trace:
com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:684) Stack Trace:
com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1160) Stack Trace:
com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1268) Stack Trace:
com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1539) Stack Trace:
com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:498) Stack Trace:
com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212) Stack Trace:
com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1600) Stack Trace:
com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:46) Stack Trace:
er.extensions.components._private.ERXWOString.appendToResponse(ERXWOString.java:67) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:130) Stack Trace:
com.webobjects.appserver._private.WOComponentContent.appendToResponse(WOComponentContent.java:43) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121) Stack Trace:
com.webobjects.appserver._private.WOGenericContainer.appendToResponse(WOGenericContainer.java:32) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:130) Stack Trace:
com.webobjects.appserver.WOComponent.appendToResponse(WOComponent.java:992) Stack Trace:
er.extensions.components.ERXComponent.appendToResponse(ERXComponent.java:107) Stack Trace:
eu.scriptaweb.bookmanager.BMComponent.appendToResponse(BMComponent.java:72) Stack Trace:
eu.scriptaweb.bookmanager.MainEnclosure.appendToResponse(MainEnclosure.java:92) Stack Trace:
com.webobjects.appserver._private.WOComponentReference.appendToResponse(WOComponentReference.java:111) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:121) Stack Trace:
com.webobjects.appserver._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:130) Stack Trace:
com.webobjects.appserver.WOComponent.appendToResponse(WOComponent.java:992) Stack Trace:
er.extensions.components.ERXComponent.appendToResponse(ERXComponent.java:107) Stack Trace:
eu.scriptaweb.bookmanager.BMComponent.appendToResponse(BMComponent.java:72) Stack Trace:
com.webobjects.appserver.WOComponent._appendPageToResponse(WOComponent.java:1388) Stack Trace:
com.webobjects.appserver.WOComponent._generateResponseInContext(WOComponent.java:1356) Stack Trace:
com.webobjects.appserver.WOComponent.generateResponse(WOComponent.java:1351) Stack Trace:
com.webobjects.appserver._private.WOActionRequestHandler._handleRequest(WOActionRequestHandler.java:259) Stack Trace:
com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:142) Stack Trace:
er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(ERXDirectActionRequestHandler.java:124) Stack Trace:
com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1306) Stack Trace:
er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1909) Stack Trace:
er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885) Stack Trace:
eu.scriptaweb.bookmanager.Application.dispatchRequest(Application.java:63) Stack Trace:
com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:173) Stack Trace:
com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:254) Stack Trace:
java.lang.Thread.run(Thread.java:595)