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From Markus Reich <markus.re...@markusreich.at>
Subject Re: Can't instantiate class but it exists
Date Wed, 31 Jul 2013 14:52:40 GMT
Does the PasswordReset.class File really exists in your classpath? Maybe
try to recompile?

Markus


2013/7/31 Andrew Willerding <awillerding@itsurcom.com>

> I'm still having problems with this one Netbeans 7.3.1 project ( jdk
> 1.7.0.17 with Tomcat 7.0.27) involving Vaadin and Cayenne.  I have now
> upgraded Cayenne to 3.1B2 and made all the project modifications I needed
> to in order to use Cayenne 3.1 (thanks Andrus!).  I'm hoping the error
> message is more meaningful to someone on this list.  I don't understand how
> the error message indicates it can't find the class PasswordReset and yet
> the code is being executed from within PasswordReset.  To me it looks like
> it can't load the class because of some security restriction but what is
> creating the security restriction?
>
> Any help or guidance would be greatly appreciated.
>
> Here is the offending code:
>
> public class PasswordReset extends _PasswordReset {
>     private static final long serialVersionUID = 5548297136969252200L;
>
>
>     private static PasswordReset newPasswordReset(User user) {
>         ObjectContext oc = MyApplication.**getObjectContext();
>         PasswordReset pr = null;
>         String token = null;
>
> System.out.println("oc=" + oc);
>
>         pr = oc.newObject(PasswordReset.**class);
>         pr.setExpireDT(DateTime.now().**plusMinutes(15).toDate());
>         token = Password.getEncryptPW(user.**getUsername() +
> DateTime.now().toString(), Password.generateNewSalt());
>         pr.setToken(token);
>         // pr.setUserId(user.getUser_id()**);
>         user.setToPasswordReset(pr);
>         oc.commitChanges();
>         return pr;
>
>     }
> }
>
> Here is the output
>
>
> oc=org.apache.cayenne.access.**DataContext@59d8afee
>
> org.apache.cayenne.**CayenneRuntimeException: [v.3.1B2 Feb 05 2013 20:43:40]
> Error instantiating object.
>     at org.apache.cayenne.access.**DataContext.newObject(**
> DataContext.java:554)
>     at org.apache.cayenne.access.**DataContext.newObject(**
> DataContext.java:531)
>     at com.callistacti.callwatch.**database.PasswordReset.**
> newPasswordReset(**PasswordReset.java:76)
>     at com.callistacti.callwatch.**database.PasswordReset.**
> getPasswordResetToken(**PasswordReset.java:44)
>     at com.callistacti.callwatch.**Windows.WindowLogin$3.**
> buttonClick(WindowLogin.java:**174)
>     at sun.reflect.**NativeMethodAccessorImpl.**invoke0(Native Method)
>     at sun.reflect.**NativeMethodAccessorImpl.**invoke(**
> NativeMethodAccessorImpl.java:**57)
>     at sun.reflect.**DelegatingMethodAccessorImpl.**invoke(**
> DelegatingMethodAccessorImpl.**java:43)
>     at java.lang.reflect.Method.**invoke(Method.java:601)
>     at com.vaadin.event.**ListenerMethod.receiveEvent(**
> ListenerMethod.java:508)
>     at com.vaadin.event.EventRouter.**fireEvent(EventRouter.java:**167)
>     at com.vaadin.server.**AbstractClientConnector.**fireEvent(**
> AbstractClientConnector.java:**968)
>     at com.vaadin.ui.Button.**fireClick(Button.java:368)
>     at com.vaadin.ui.Button$1.click(**Button.java:57)
>     at sun.reflect.**NativeMethodAccessorImpl.**invoke0(Native Method)
>     at sun.reflect.**NativeMethodAccessorImpl.**invoke(**
> NativeMethodAccessorImpl.java:**57)
>     at sun.reflect.**DelegatingMethodAccessorImpl.**invoke(**
> DelegatingMethodAccessorImpl.**java:43)
>     at java.lang.reflect.Method.**invoke(Method.java:601)
>     at com.vaadin.server.**ServerRpcManager.**applyInvocation(**
> ServerRpcManager.java:168)
>     at com.vaadin.server.**ServerRpcManager.**applyInvocation(**
> ServerRpcManager.java:118)
>     at com.vaadin.server.**communication.**ServerRpcHandler.handleBurst(**
> ServerRpcHandler.java:214)
>     at com.vaadin.server.**communication.**ServerRpcHandler.handleRpc(**
> ServerRpcHandler.java:111)
>     at com.vaadin.server.**communication.PushHandler$2.**
> run(PushHandler.java:158)
>     at com.vaadin.server.**communication.PushHandler.**
> callWithUi(PushHandler.java:**289)
>     at com.vaadin.server.**communication.PushHandler.**
> onRequest(PushHandler.java:**308)
>     at org.atmosphere.cpr.**AsynchronousProcessor.action(**
> AsynchronousProcessor.java:**259)
>     at org.atmosphere.cpr.**AsynchronousProcessor.**suspended(**
> AsynchronousProcessor.java:**166)
>     at org.atmosphere.container.**TomcatWebSocketUtil.doService(**
> TomcatWebSocketUtil.java:137)
>     at org.atmosphere.container.**Tomcat7AsyncSupportWithWebSock**
> et.service(**Tomcat7AsyncSupportWithWebSock**et.java:59)
>     at org.atmosphere.cpr.**AtmosphereFramework.**doCometSupport(**
> AtmosphereFramework.java:1448)
>     at org.atmosphere.websocket.**DefaultWebSocketProcessor.**dispatch(**
> DefaultWebSocketProcessor.**java:219)
>     at org.atmosphere.websocket.**DefaultWebSocketProcessor$2.**
> run(DefaultWebSocketProcessor.**java:183)
>     at org.atmosphere.util.**VoidExecutorService.execute(**
> VoidExecutorService.java:101)
>     at org.atmosphere.websocket.**DefaultWebSocketProcessor.**dispatch(**
> DefaultWebSocketProcessor.**java:178)
>     at org.atmosphere.websocket.**DefaultWebSocketProcessor.**
> invokeWebSocketProtocol(**DefaultWebSocketProcessor.**java:167)
>     at org.atmosphere.container.**TomcatWebSocketHandler.**onTextMessage(*
> *TomcatWebSocketHandler.java:**92)
>     at org.apache.catalina.websocket.**MessageInbound.onTextData(**
> MessageInbound.java:74)
>     at org.apache.catalina.websocket.**StreamInbound.onData(**
> StreamInbound.java:129)
>     at org.apache.coyote.http11.**upgrade.UpgradeProcessor.**
> upgradeDispatch(**UpgradeProcessor.java:83)
>     at org.apache.coyote.**AbstractProtocol$**AbstractConnectionHandler.**
> process(AbstractProtocol.java:**563)
>     at org.apache.tomcat.util.net.**JIoEndpoint$SocketProcessor.**
> run(JIoEndpoint.java:307)
>     at java.util.concurrent.**ThreadPoolExecutor.runWorker(**
> ThreadPoolExecutor.java:1145)
>     at java.util.concurrent.**ThreadPoolExecutor$Worker.run(**
> ThreadPoolExecutor.java:615)
>     at java.lang.Thread.run(Thread.**java:722)
> Caused by: org.apache.cayenne.**CayenneRuntimeException: [v.3.1B2 Feb 05
> 2013 20:43:40] Failed to load class com.callistacti.callwatch.**database.PasswordReset:
> com.callistacti.callwatch.**database.PasswordReset
>     at org.apache.cayenne.map.**ObjEntity.getJavaClass(**
> ObjEntity.java:302)
>     at org.apache.cayenne.reflect.**PersistentDescriptorFactory.**
> getDescriptor(**PersistentDescriptorFactory.**java:57)
>     at org.apache.cayenne.reflect.**ClassDescriptorMap.**createDescriptor(
> **ClassDescriptorMap.java:128)
>     at org.apache.cayenne.reflect.**LazyClassDescriptorDecorator.**
> checkDescriptorInitialized(**LazyClassDescriptorDecorator.**java:58)
>     at org.apache.cayenne.reflect.**LazyClassDescriptorDecorator.**
> createObject(**LazyClassDescriptorDecorator.**java:72)
>     at org.apache.cayenne.access.**DataContext.newObject(**
> DataContext.java:551)
>     ... 43 more
> Caused by: java.lang.**ClassNotFoundException: com.callistacti.callwatch.*
> *database.PasswordReset
>     at java.net.URLClassLoader$1.run(**URLClassLoader.java:366)
>     at java.net.URLClassLoader$1.run(**URLClassLoader.java:355)
>     at java.security.**AccessController.doPrivileged(**Native Method)
>     at java.net.URLClassLoader.**findClass(URLClassLoader.java:**354)
>     at java.lang.ClassLoader.**loadClass(ClassLoader.java:**423)
>     at java.lang.ClassLoader.**loadClass(ClassLoader.java:**356)
>     at java.lang.Class.forName0(**Native Method)
>     at java.lang.Class.forName(Class.**java:266)
>     at org.apache.cayenne.di.spi.**DefaultAdhocObjectFactory.**
> getJavaClass(**DefaultAdhocObjectFactory.**java:102)
>     at org.apache.cayenne.util.Util.**getJavaClass(Util.java:658)
>     at org.apache.cayenne.map.**ObjEntity.getJavaClass(**
> ObjEntity.java:299)
>



-- 
*Markus Reich*
Moosbach 28/2
6392 St. Jakob i.H.
www.markusreich.at / www.meeximum.at
markus.reich@markusreich.at

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