Find classes in ear from a outside class
How can we find classes located in a ear from a class that is located outside the
archive? Is it possible?
Regards
Nick
Well, the purpose of an ear file is to bundle your entire application into one
file.
If you have a class B that needs to use class A which just happens to be in your
ear file, I would think that this file resides in a completely different Application
on the server.
If that's the case, then you definitely need to place class A which is in your
ear file into the classpath of the application which contains class B, or into
the same ear file of class B's application.
If not and both are part of the same application, then why isn't class B included
in the ear file to begin with?
Hope this helps..
"Nick" <[email protected]> wrote:
>
How can we find classes located in a ear from a class that is located
outside the
archive? Is it possible?
Regards
Nick
Similar Messages
-
Ejb error((MARSHAL) Could not find class) when using OneToMany relationship
I am using Netbeans 5.5 with J2EE App Server 9. I have two entity beans with a OneToMany Uni-directional relationship. I have a Remote Stateless session bean which has persistence operations for creating and searching etc.. I am accessing the remote bean via jndi from a j2ee java client. The access works fine. The session bean persist operation creates data in both the entities (cascade persist).
But, after the data is created, when I access the entity manager find() method from the session bean via the client errors out. This error only happens for the entities with OneToMany relationship, not for OneToOne relationships.
I am using TOPLINK persistence provider accessing a derby data source. I have the latest persistence library jar files in the library classpath.
client code:
Phone p1 = new Phone();
p1.setPnumber("999 999 9999");
Customer c1 = new Customer();
c1.setLname("Smith");
c1.getPhone().add(p1);
int pk = agent.createCustomer(c1); // creates the entities
Customer c2 = agent.findCustomer(pk); // this causes the ERROR
session bean code:
@PersistenceContext private EntityManager em;
public int createCustomer(Customer c) {
em.persist(c);
return c.getId();
public Customer findCustomer(int i) { // this causes the ERROR
return em.find(Customer.class, i);
exception:
Mar 30, 2007 3:25:00 PM com.sun.corba.ee.impl.encoding.CDRInputStream_1_0 read_value
WARNING: "IOP00810257: (MARSHAL) Could not find class"
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:8309)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:984)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:1987)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2211)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1219)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:398)
***exception in Client_1 ***
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:329)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:295)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1005)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl$14.read(DynamicMethodMarshallerImpl.java:333)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl.readResult(DynamicMethodMarshallerImpl.java:424)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:162)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:119)
at com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(BCELStubBase.java:197)
at com.titan.ejb.__Tester1Remote_Remote_DynamicStub.findCustomer(__Tester1Remote_Remote_DynamicStub.java)
at com.titan.ejb._Tester1Remote_Wrapper.findCustomer(com.titan.ejb._Tester1Remote_Wrapper.java)
at com.titan.clients.Client_1.main(Client_1.java:37)
at sun.reflect.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:585)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:232)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:329)
at com.sun.enterprise.appclient.Main.main(Main.java:180)
Caused by: java.lang.ClassNotFoundException
... 25 more
javax.ejb.EJBException: nested exception is: java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested exception is:
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested exception is:
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.mapSystemException(Util.java:224)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:172)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:119)
at com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(BCELStubBase.java:197)
at com.titan.ejb.__Tester1Remote_Remote_DynamicStub.findCustomer(__Tester1Remote_Remote_DynamicStub.java)
at com.titan.ejb._Tester1Remote_Wrapper.findCustomer(com.titan.ejb._Tester1Remote_Wrapper.java)
at com.titan.clients.Client_1.main(Client_1.java:37)
at sun.reflect.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:585)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:232)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:329)
at com.sun.enterprise.appclient.Main.main(Main.java:180)
Caused by: org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:8309)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:984)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:1987)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2211)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1219)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:398)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:329)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:295)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1005)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl$14.read(DynamicMethodMarshallerImpl.java:333)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl.readResult(DynamicMethodMarshallerImpl.java:424)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:162)
... 12 more
Caused by: java.lang.ClassNotFoundException
... 25 more
javax.ejb.EJBException: nested exception is: java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested exception is:
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.titan.ejb._Tester1Remote_Wrapper.findCustomer(com.titan.ejb._Tester1Remote_Wrapper.java)
at com.titan.clients.Client_1.main(Client_1.java:37)
at sun.reflect.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:585)
at com.sun.enterprise.util.Utility.invokeApplicationMain(Utility.java:232)
at com.sun.enterprise.appclient.MainWithModuleSupport.<init>(MainWithModuleSupport.java:329)
at com.sun.enterprise.appclient.Main.main(Main.java:180)It appears to be a bug in Netbeans.
I have a similar error message with the following settings:
A session bean remote interface
be.macharis.toon.pacita.common.OriginFacadeRemoteA session bean implementing the remote interface
be.macharis.toon.pacita.common.OriginFacadeAt deploying the ejb module, the session bean is loaded in the JNDI registry under the name be.macharis.toon.pacita.common.OriginFacadeRemote (the server log says so).
I have the following code in a servlet:
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
try {
Context ic = new InitialContext();
OriginFacadeRemote originFacade = (OriginFacadeRemote)ic.lookup(OriginFacadeRemote.class.getName());
originFacade.setOrigin(componentRegistry, OriginFacadeRemote.ELEMENT_CONTAINER); // <- exception here
} catch (NamingException e) {
e.printStackTrace();
}Yet I get a java.lang.ClassNotFoundException during the EJB method call. The exception does not take place during execution of the method, but before, while the EJB container is still resolving the method. It thus must be a(nother) bug in the implementation of the EJB container.
And bugs that are outside your control are so much harder to deal with... There was another bug in the EJB container for serialising complex object that I could work around by explicitly serialising the Objects myself to byte arrays. It took me 5 days to do so. I don't know if I will manage to work around this bug. If I do, I will post my solution. For completeness, below my "clarifying" error dump:
javax.ejb.EJBException: nested exception is: java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested exception is:
org.omg.CORBA.MARSHAL: ----------BEGIN server-side stack trace----------
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.ee.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:8309)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:984)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:850)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:844)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:834)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_abstract_interface(CDRInputStream.java:275)
at com.sun.corba.ee.impl.io.IIOPInputStream.readObjectDelegate(IIOPInputStream.java:361)
at com.sun.corba.ee.impl.io.IIOPInputStream.readObjectOverride(IIOPInputStream.java:524)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:345)
at java.util.HashMap.readObject(HashMap.java:1029)
at sun.reflect.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.sun.corba.ee.impl.io.IIOPInputStream.invokeObjectReader(IIOPInputStream.java:1692)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1210)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:398)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:329)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:295)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1005)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:1987)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2211)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1219)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:398)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:329)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:295)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1005)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:1987)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2211)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1219)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:398)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:329)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:295)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1005)
at com.sun.corba.ee.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:259)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl$14.read(DynamicMethodMarshallerImpl.java:333)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl.readArguments(DynamicMethodMarshallerImpl.java:393)
at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie._invoke(ReflectiveTie.java:119)
at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(CorbaServerRequestDispatcherImpl.java:650)
at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:193)
at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1705)
at com.sun.corba.ee.impl.protocol.SharedCDRClientRequestDispatcherImpl.marshalingComplete(SharedCDRClientRequestDispatcherImpl.java:154)
at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.invoke(CorbaClientDelegateImpl.java:194)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:159)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:119)
at com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(BCELStubBase.java:197)
at be.macharis.toon.pacita.common.__OriginFacadeRemote_Remote_DynamicStub.setOrigin(__OriginFacadeRemote_Remote_DynamicStub.java)
at be.macharis.toon.pacita.common._OriginFacadeRemote_Wrapper.setOrigin(be.macharis.toon.pacita.common._OriginFacadeRemote_Wrapper.java)
at pacita.servlets.ContainerRegistry.processRequest(ContainerRegistry.java:64)
at pacita.servlets.ContainerRegistry.doGet(ContainerRegistry.java:95)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:239)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844)
at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287)
at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212)
at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
Caused by: java.lang.ClassNotFoundException
... 77 more
----------END server-side stack trace---------- vmcid: SUN minor code: 257 completed: Maybe -
Cannot find class: Exception??
Hi
The compiler claims it cannot find class FileNotFoundException or any other exception in my Main. Any packages I import has no problem. My structure:
java \ myMain \ Main.java
java \ com \ myName \ packages //no, the space is just there as visual help:)
Use javac -classpath java\ @compile.file
...where compile.file is a txt file giving the paths and filenames to all files I include.
This is first time I use the -classpath parameter, but I believed java.lang always was included. What Am I doing wrong.
regards
JTYou should review the tool documentation for the javac command and its use of classpath.
Your problem appears to be due to the way you defined classpath, "-classpath java\". While you don't provide enough information to conclusively say what it should be, I'm guessing it should also include java\myMain\ - assuming that you're issuing the javac command from the parent of the \java\ directory, as your command example indicates.
Here is a clip about its use of the classpath.
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For example, when you subclass java.applet.Applet, you are also using Applet's ancestor classes: java.awt.Panel, java.awt.Container, java.awt.Component, and java.lang.Object.
When the compiler needs type information, it looks for a source file or class file which defines the type. The compiler searches for class files first in the bootstrap and extension classes, then in the user class path (which by default is the current directory). The user class path is defined by setting the CLASSPATH environment variable or by using the -classpath command line option. (For details, see Setting the Class Path).
If you set the -sourcepath option, the compiler searches the indicated path for source files; otherwise the compiler searches the user class path for both class files and source files." -
How to find Classes to which characterstics are assigned
Hi,
How to find the classes to which a particular characterstics are assighned in 46B.
I have characterstics and I should able to find the class/classes to which it is assighned.
I have a BAPI BAPI_CHARACT_GETWHEREUSEDLIST which does the same as in 5.0 and I want the same FM or BAPI where it is used in 46B.
Best Regards,
MarkHere's an example of a way to find classes based on characteristics if you need to write your own. Obviously this is for a report, but you get the idea.
select-options: s_atnam for cabn-atnam.
data: begin of t_class occurs 0,
class like klah-class,
atnam like cabn-atnam,
end of t_class.
select klahclass cabnatnam into table t_class
from klah inner join ksml
on klahclint = ksmlclint
inner join cabn
on ksmlimerk = cabnatinn
where cabn~atnam in s_atnam. -
Preverification error: Cannot find class com/sun/perseus/model/Viewport
Hi all,
I have a (previously) working Midlet to which I have added one line as follows:
SVGImage image = (SVGImage)SVGImage.createEmptyImage(null);
- and imported the necessary from javax.microedition.m2g. (I am using the library that comes with the WTK, jsr226.jar).
This builds, jars, obfuscates fine. But when I try to preverify (using Antenna's wtkpreverify) on the jar, it gives up in disgust very swiftly as follows:
[wtkpreverify] Error preverifying class javax.microedition.m2g.ScalableGraphics
[wtkpreverify] VERIFIER ERROR javax/microedition/m2g/ScalableGraphics.render(IILjavax/microedition/m2g/ScalableImage;)V:
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I'm using the WTK2.5.1ea and antenna 0.9.14, CLDC1.1, MIDP2.0...
Many thanks for any ideas.Problem resolved simply by replacing jsr226.jar (as distributed with WTK2.5.1ea) with m2g.jar (as distributed with J2MEPolish).
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Cannot find class java/lang/Thread
I'm getting this error trying to compile a program that I'm writing in java. Its a very simple program just to get me back to basics. Any ideas as to how I can fix this problem??
Extracted from Sun's website,
* Error Message: "Exception in thread NULL" or
"Unable to initialize threads: cannot find class java/lang/Thread"
If you are getting one of these fatal error messages when running java,
javac, or appetviewer, you should check your CLASSPATH environment variable.
It may list "c:\java" or the "classes" directory from an older release. You can either unset the CLASSPATH variable, or set it to
include only the latest version of the Java platform class library. For example:
C:\> set CLASSPATH=.;C:\jdk1.1.8\lib\classes.zip
This will make sure that you are using the correct classes for this release.
-- Sudha -
Java teststand - Error 1500 Cannot find class
Hi everyone,
I am using TestStand 2010 and Java 1.7.
I try to add a java class in the Computer example folder, and call the method.
The java class is simply like below, because I just want to try calling my own java class.
I have set the Class Path in Start JVM to the directory where the Computer example (which is also the directory where I put my java class) are located.
TestStand can call the Computer's methods, but not mine (got error Error 1500 Cannot find class). I put my my java method calling among the defaults Computer example calls.
Furthermore I have read similiar threads but still I cannot solve the error.
Where is the part I miss, actually? Please share some insights.
Note: I even try to leave the Class Path empty, but TestStand still can call the Computer's methods. Why?
public class TestJava {
public static void main(String[] args) {
public String returnString(boolean a){
return "success";
Solved!
Go to Solution.In order to load a class that is inside a package you have to use the package notation (or modify the example in order to use it). The path to the class is passed directly to the JVM in order to load the class, but really what is needed is the package from the class path including the full path to the class.
That means you have to do the following:
1. Set the class path to the base directory where you built all your classes, if you have the following structure:
MyFile.java
builds
MyPackage
MyFile.class
You have to set the classpath to the builds directory
2. When you configure your steps, you have to set the path to the class in your Java steps to MyPackage/MyFile.class (note separator is a slash, not the usual Windows backslash, so the browse button doesn't quite help with that).
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*** ACME Video demo ***
*** using: JDeveloper 3.0 (build 532) and JWS 2.0 ***
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Cannot update servlet WebAppServlet:
Cannot find class for servlet WebAppServlet:
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So here I am . . . if there is any guidance out there it would be greatly appreciated.
1) Is it true that I only have to put my WebAppServlet.jar file, along with the libraries listed at the bottom of this message in my e:\acmedir that I set my classpath to before starting JWS?
2) Why can't I just set the classpath to "e:\acme". Why must I set it to specify each individual archive in the folder when they are all in the same folder?
3) Does anyone know the logic behind the "acmevideo.servlet.WebAppServlet" naming scheme that is used to define the servlet in the JWS configuration? How does that define WebAppServlet? I have no folders named "acmevideo.servlet", my jar is named WebAppServlet, so I would suspect that I should define it as simply "WebAppServlet" since I have set my classpath to the folder that it exists in. Maybe this has something to do with why JWS can't find it, so can't load it?
4) How can I check inside the WebAppServlet.jar archive file to make sure that it really contains the class files that should be in there? Maybe I have the wrong jar file? I'm looking at all possibilities at this time.
4) Boy have I ever spent a lot of time simply trying to view this demo. . . . . I'll bake a pie for anyone who can get this thing working. I may not actually send the pie to you, but I'll bake it in your honor and tell you how good it was.
1) Here's my batch file (largely a copy of William Wise's batch file):
set cstdir=e:\acme
set JDK_HOME=
set JAVA_HOME=
set classpath=
set path=
set classpath=%CSTDIR%;%CSTDIR%\aurora_client.jar;%CSTDIR%\javax_ejb.zip;%CSTDIR%\jndi.jar;%CSTDIR%\vbjorb.jar;%CSTDIR%\vbjapp.jar;%CSTDIR%\vbjtools.jar;%CSTDIR%\vbj30ssl.jar;%CSTDIR%\ classes11 1.zip;%CSTDIR%\jdev-rt.zip;%CSTDIR%\WebAppServlet.jar
e:\javawebserver2.0\bin\httpd -verbose
2) Here's the contents of my e:\acme folder:
aurora_client.jar
classes111.zip
javax_ejb.zip
jdev-rt.zip
jndi.jar
servlet.jar
vbj30ssl.jar
vbjapp.jar
vbjorb.jar
vbjtools.jar
WebAppServlet.jar (this should be ACME Video archive, I guess)
3) My WebAppServlet's Servlet Class is defined in the JWS:Servlets:Configuration as:
acmevideo.servlet.WebAppServlet
4) My servlet alias in the JWS:Setup:Servlet Aliases is:
Alias: /acmevideo.html
Servlet Invoked: WebAppServlet
null*** ACME Video demo ***
*** using: JDeveloper 3.0 (build 532) and JWS 2.0 ***
I am having great troubles simply getting JWS (v2.0) to acknowlege existence of my WebAppServlet (ie, ACME Video demo). I have been able to use the demo from within JDeveloper's own runtime environment, but then members can't log in to the demo database. So I am trying to use JWS to see if I can get the ACME Video demo working from a real web server, but I keep getting the infamous 404: File not found error when trying to access it from a browser at http://mycomputer:8080/acmevideo.html.
So to simplify the test I am now just trying to hit the LOAD button from within the JWS configuration manager, but when I try to hit the LOAD button in the JWS servlets tab I consistently get the folowing error:
Problem Updating Servlet
Cannot update servlet WebAppServlet:
Cannot find class for servlet WebAppServlet:
Could not load class acmevideo.servlet.WebAppServlet.
So here I am . . . if there is any guidance out there it would be greatly appreciated.
1) Is it true that I only have to put my WebAppServlet.jar file, along with the libraries listed at the bottom of this message in my e:\acmedir that I set my classpath to before starting JWS?
2) Why can't I just set the classpath to "e:\acme". Why must I set it to specify each individual archive in the folder when they are all in the same folder?
3) Does anyone know the logic behind the "acmevideo.servlet.WebAppServlet" naming scheme that is used to define the servlet in the JWS configuration? How does that define WebAppServlet? I have no folders named "acmevideo.servlet", my jar is named WebAppServlet, so I would suspect that I should define it as simply "WebAppServlet" since I have set my classpath to the folder that it exists in. Maybe this has something to do with why JWS can't find it, so can't load it?
4) How can I check inside the WebAppServlet.jar archive file to make sure that it really contains the class files that should be in there? Maybe I have the wrong jar file? I'm looking at all possibilities at this time.
4) Boy have I ever spent a lot of time simply trying to view this demo. . . . . I'll bake a pie for anyone who can get this thing working. I may not actually send the pie to you, but I'll bake it in your honor and tell you how good it was.
1) Here's my batch file (largely a copy of William Wise's batch file):
set cstdir=e:\acme
set JDK_HOME=
set JAVA_HOME=
set classpath=
set path=
set classpath=%CSTDIR%;%CSTDIR%\aurora_client.jar;%CSTDIR%\javax_ejb.zip;%CSTDIR%\jndi.jar;%CSTDIR%\vbjorb.jar;%CSTDIR%\vbjapp.jar;%CSTDIR%\vbjtools.jar;%CSTDIR%\vbj30ssl.jar;%CSTDIR%\ classes11 1.zip;%CSTDIR%\jdev-rt.zip;%CSTDIR%\WebAppServlet.jar
e:\javawebserver2.0\bin\httpd -verbose
2) Here's the contents of my e:\acme folder:
aurora_client.jar
classes111.zip
javax_ejb.zip
jdev-rt.zip
jndi.jar
servlet.jar
vbj30ssl.jar
vbjapp.jar
vbjorb.jar
vbjtools.jar
WebAppServlet.jar (this should be ACME Video archive, I guess)
3) My WebAppServlet's Servlet Class is defined in the JWS:Servlets:Configuration as:
acmevideo.servlet.WebAppServlet
4) My servlet alias in the JWS:Setup:Servlet Aliases is:
Alias: /acmevideo.html
Servlet Invoked: WebAppServlet
null -
Can't find class error on Tru64 UNIX
I have written a class, TextProcessor, and I can compile and run it without any problems on my Win2K box. I ftp the source to works Tru64 box and compile the class just fine. When I issue the command "java TextProcessor" I get the msg "Can't find class TextProcessor". I immediately thought I had a classpath issue. I messed around with setting my classpath but without luck.
I then wrote a new class on the Unix box using vi called Hello.java. I compile the Hello class without a problem. I issue the command "java Hello" and get "Hello!", just like I am supposed to get.
The 2 classes reside in the same directory, TextProcessor does not have any package statements. I am totaly confused.
Environment information:
Tru64 UNIX version 5 or so.
JDK 1.1.8 (not my choice and I have no control over the JDK)
JRE 1.2.2 is also installed.
Please help!
ThanksMaybe.....
Make sure that you have the permissions necesary to read,write and execute the file from your own account.
If you canno't find any class maybe is because you cannot read.
What account are you used to pute the file from Win?
you can try this...
chmod 777 TextProcessor.java
chmod 777 TextProcessor.class
But......????? uhmmmmmm??
I'm not sure, because If you can compile then you can read the file, but it's depends you umask ......
it's only a suggest -
Unable to find class oracle.adf.controller.faces.lifecycle.ADFPhaseListener
hi ,OTN
I have an ADF 10g application which I migrate to Jdeveloper 11.1.1.3.0 version after migration and turning Adf faces to Apache Trinidad components and fixing all my code,compiling the application without any Errors,when I deployed my application to weblogic I had a deployment exception this is all the stack trace
User defined listener com.sun.faces.config.ConfigureListener failed: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED!
Cause: Unable to find class 'oracle.adf.controller.faces.lifecycle.ADFPhaseListener '
com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED!
Cause: Unable to find class 'oracle.adf.controller.faces.lifecycle.ADFPhaseListener'
at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:212)
at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:195)
at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
Truncated. see log file for complete stacktrace
Caused By: com.sun.faces.config.ConfigurationException:
Cause: Unable to find class 'oracle.adf.controller.faces.lifecycle.ADFPhaseListener'
at com.sun.faces.config.processor.AbstractConfigProcessor.createInstance(AbstractConfigProcessor.java:248)
at com.sun.faces.config.processor.LifecycleConfigProcessor.addPhaseListeners(LifecycleConfigProcessor.java:141)
at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:114)
at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:108)
at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:132)
Truncated. see log file for complete stacktrace
<08/10/2010 EET 04:11:11 م> <Error> <Deployer> <BEA-149265> <Failure occurred in the execution of deployment request with ID '1286547027015' for task '0'. Error is: 'weblogic.application.ModuleException: '
weblogic.application.ModuleException:
at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1514)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:486)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119)
Truncated. see log file for complete stacktrace
Caused By: com.sun.faces.config.ConfigurationException:
Cause: Unable to find class 'oracle.adf.controller.faces.lifecycle.ADFPhaseListener'
at com.sun.faces.config.processor.AbstractConfigProcessor.createInstance(AbstractConfigProcessor.java:248)
at com.sun.faces.config.processor.LifecycleConfigProcessor.addPhaseListeners(LifecycleConfigProcessor.java:141)
at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:114)
at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:108)
at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:132)
Truncated. see log file for complete stacktrace
>
<08/10/2010 EET 04:11:11 م> <Error> <Deployer> <BEA-149202> <Encountered an exception while attempting to commit the 1 task for the application 'Version4'.>
<08/10/2010 EET 04:11:11 م> <Warning> <Deployer> <BEA-149004> <Failures were detected while initiating deploy task for application 'Version4'.>
<08/10/2010 EET 04:11:11 م> <Warning> <Deployer> <BEA-149078> <Stack trace for message 149004
weblogic.application.ModuleException: :com.sun.faces.config.ConfigurationException:
Source Document: file:/C:/Documents and Settings/Administrator/Application Data/JDeveloper/system11.1.1.3.37.56.60/o.j2ee/drs/Version4/ViewControllerWebApp.war/WEB-INF/faces-config.xml
Cause: Unable to find class 'oracle.adf.controller.faces.lifecycle.ADFPhaseListener'
at com.sun.faces.config.processor.AbstractConfigProcessor.createInstance(AbstractConfigProcessor.java:248)
at com.sun.faces.config.processor.LifecycleConfigProcessor.addPhaseListeners(LifecycleConfigProcessor.java:141)
at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:114)
at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:108)
at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:132)
Truncated. see log file for complete stacktrace
help please?thank you for quick reply. but I ran my application in the integrated weblogic server in the Jdeveloper.I did not deploy it to a standalone one.did you mean the default domain?
-
Unable to find class oracle.panama.personalization.login
oracle.jsp.parse.JspParseException: Line # 21, Error: Unable to find class for bean: login defined by tag with class: oracle.panama.personalization.login
I get this message when trying to go to "http://{hostname}/papz/login.jsp"
window 2k, Oracle 8.1.7, 9iASwe 1.0.2.0.0.
Any help would be great.
Thanks in advance
Sean.I'm also having this problem. Could really use some help
-
Error(2): Unable to find class for bean: connection defined by tag...
I created a project, and a JavaBean that connects to the database and I want to use it in a JSP page that exists in my project.
Bean:
package BeerPackage;
import java.sql.*;
public class ConnectionBean
JSP:
<%@ page import="BeerPackage.*" contentType="text/html;charset=windows-1252"%>
<jsp:useBean id="connection" class="ConnectionBean" scope="session"/>
Then I get the error:
Error(2): Unable to find class for bean: connection defined by tag with class: ConnectionBean
When I try to build the JSP
Any ideas?Seems even though I have an import, I still have to specify the package name in front of the useBean.
What am I missing here? -
Cannot find class in same package but in different file
I have following two source files. Both the file has same package statement as below
package java.buron.doeacc ;
But whenever i try to compile File: shoepolish.java ( mainfram.java compiled succesfully before)
following error message appear
..\..\buron\doeacc\shoepolish.java:12: cannot resolve symbol
symbol : class MainFrame
location: class java.buron.doeacc.shoepolish
MainFrame mainFrame = new MainFrame();
^
..\..\buron\doeacc\shoepolish.java:12: cannot resolve symbol
symbol : class MainFrame
location: class java.buron.doeacc.shoepolish
MainFrame mainFrame = new MainFrame();
^
Please tell me What is the problem and how it can be solved.
why cannot find the class that are in same package.
I have JDK 1.3
FOLLOWING ARE THE TWO FILES
File: mainframe.java/////////////////////////////////////////////////////////////////////
package java.buron.doeacc ;
import javax.swing.* ;
import java.awt.*;
import java.awt.event.* ;
class MainFrame extends JFrame
private final String APP_NAME = "Shoe Polish";
// constructor
public MainFrame()
super("Shoe Polish");
setSize(500, 500);
setVisible(true);
File : shoepolish.java
package java.buron.doeacc ;
import java.io.* ;
import java.buron.doeacc.* ;
class shoepolish
public static void main(String args[])
MainFrame mainFrame = new MainFrame();The javac compiler uses the Classpath to find classes. If your directory structure is c:\myjava\buron\doeacc (for example) then you need to have c:\myjava in the Classpath when you compile. For example javac -classpath c:\myjava MainFrame.java
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Can't find class org/apache/jk/apr/AprImpl
Hi
I have Tomcat 4.1.29 and Apache Web Server 2.0.48 installed.
I have used this tutorial since I'm a newbie :(
http://www.gregoire.org/howto/Apache2_Jk2_TC4.1.x_JSDK1.4.x.html
My problem is when I try to regroup them, I obtained this error error.log.
error] Can't find class org/apache/jk/apr/AprImpl
java.lang.NoClassDefFoundError: javax/management/MBeanRegistration
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Here is my confid file (workers.properties) :
[logger]
level=DEBUG
[config:]
#file=C:/Apache2/conf/workers2.properties
file=C:/Apache2/conf/workers2.properties
debug=0
debugEnv=0
[uriMap:]
info=Maps the requests. Options: debug
debug=0
# Alternate file logger
#[logger.file:0]
#level=DEBUG
#file=C:/Apache2/logs/jk2.log
[shm:]
info=Scoreboard. Required for reconfiguration and status with multiprocess servers
file=C:/Apache2/logs/jk2.shm
size=1000000
debug=0
disabled=0
[workerEnv:]
info=Global server options
timing=1
debug=0
# Default Native Logger (apache2 or win32 )
# can be overriden to a file logger, useful
# when tracing win32 related issues
#logger=logger.file:0
[lb:lb]
info=Default load balancer.
debug=0
#[lb:lb_1]
#info=A second load balancer.
#debug=0
[channel.socket:localhost:8009]
info=Ajp13 forwarding over socket
debug=0
tomcatId=localhost:8009
#[channel.socket:localhost:8019]
#info=A second tomcat instance.
#debug=0
#tomcatId=localhost:8019
#lb_factor=1
#group=lb
#group=lb_1
#disabled=0
#[channel.un:/opt/33/work/jk2.socket]
#info=A second channel connecting to localhost:8019 via unix socket
#tomcatId=localhost:8019
#lb_factor=1
#debug=0
[channel.jni:jni]
info=The jni channel, used if tomcat is started inprocess
[status:]
info=Status worker, displays runtime informations
[vm:]
info=Parameters used to load a JVM in the server process
#JVM=C:\jdk\jre\bin\hotspot\jvm.dll
OPT=-Djava.class.path=c:/Tomcat/bin/tomcat-jni.jar;c:/Tomcat/server/lib/commons-logging.jar
OPT=-Dtomcat.home=${TOMCAT_HOME}
OPT=-Dcatalina.home=${TOMCAT_HOME}
OPT=-Xmx128M
#OPT=-Djava.compiler=NONE
disabled=0
[worker.jni:onStartup]
info=Command to be executed by the VM on startup. This one will start tomcat.
class=org/apache/jk/apr/TomcatStarter
ARG=start
disabled=0
stdout=C:/Apache2/logs/stdout.log
stderr=C:/Apache2/logs/stderr.log
[worker.jni:onShutdown]
info=Command to be executed by the VM on shutdown. This one will stop tomcat.
class=org/apache/jk/apr/TomcatStarter
ARG=stop
disabled=0
[uri:/jkstatus/*]
info=Display status information and checks the config file for changes.
group=status:
#[uri:127.0.0.1:8003]
#info=Example virtual host. Make sure myVirtualHost is in /etc/hosts to test it
#alias=myVirtualHost:8003
#[uri:127.0.0.1:8003/ex]
#info=Example webapp in the virtual host. It'll go to lb_1 ( i.e. localhost:8019 )
#context=/ex
#group=lb_1
[uri:/examples]
info=Example webapp in the default context.
context=/examples
debug=0
#[uri:/examples1/*]
#info=A second webapp, this time going to the second tomcat only.
#group=lb_1
#debug=0
[uri:/examples/servlets/*]
info=Prefix mapping
[uri:/examples/*.jsp]
info=Extension mapping
[uri:/examples/*]
info=Map the whole webapp
[uri:/examples/servlets/HelloW]
info=Exampel with debug enabled.
debug=10
Thank you for your time !
MaxBtw: I get the warning starting IIS - It seems to me that IIS tries to load Tomcat on-the-fly. The Tomcat load the fails and IIS continues to load successfully.
The beginning of the IIS Event log outputs this:
Apache Jakarta Connector2, Information, Info: [jk_vm_default.c (340)]: vm.detach() ok
Apache Jakarta Connector2, Warning, Error: [jk_worker_jni.c (308)]: Can't find class org/apache/jk/apr/AprImpl
Apache Jakarta Connector2, Information, Info: [jk_worker_jni.c (297)]: Loaded org/apache/jk/apr/TomcatStarter
Apache Jakarta Connector2, None, Debug: [jk_vm_default.c (302)]: vm.attach() allready attached
Apache Jakarta Connector2, Information, Info: [jk_worker_jni.c (252)]: jni.validate() class= org/apache/jk/apr/TomcatStarter
Apache Jakarta Connector2, Information, Info: [jk_vm_default.c (607)]: vm.open2() done
Apache Jakarta Connector2, Information, Info: [jk_vm_default.c (500)]: vm.init(): Jni lib: C:\wwwapps\j2sdk1.4.2_01\jre\bin\client\jvm.dll
/watson -
Hello,
At times, I keep getting this error of unable to find class for bean even though, the definition I used for the Bean in the jsp page is as follows:
<jsp:useBean id="deptbean" class="avt.DepartmentHandler"
scope="session"/>
The Error I get is "Unable to find class for bean deptbean: defined by tag with class: avt.DepartmentHandler".
I had saved the Java class file DepartmentHandler before attempting on the jsp page which used this.
I have no clue as to why this is happening. Please do help.
Thanks in Advance.Hello,
I think I figured out why it is happening so, it was because I hadnt compiled the java class files and java bean files. Once I compiled the java files, I was able to get rid of the error.
Thanks.
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