Is there a forName() for java.lang.reflect.Type?

Is there an equivelant to Class.forName() for all types?
For example:forName("java.util.List<java.lang.Sring>");
//or
forName("int");Such a method would return a java.lang.reflect.Type, instead of return a java.lang.Class
See also
Field.getGenericType()
Method.getGenericReturnType()

incidentally, getGenericType() will give you the
generic type of the member being examined, not the
parameterized type.
that is, if I declare a method like this:
public <T extends MyInterface> T getStuff() {
}I won't be able to reflectively find out what types
of T are being used at runtime, only that it's of
type 'T'. of limited use really
Java's implementation of Generics isn't as good as it
could be, mainly to maintain backwards compatibiityYou are right in that case because that is not a ParameterizedType that is a TypeVariable.
Type can encompass both Types.

Similar Messages

  • Problem with  java.lang.reflect in Eclipse

    I'm just reading java tutorial about that library, but when i'm trying to execute those example program's e.g
    import java.lang.reflect.Constructor;
    import java.lang.reflect.Type;
    import static java.lang.System.out;
    public class ConstructorSift {
        public static void main(String... args) {
         try {
             Class<?> cArg = Class.forName(args[1]);
             Class<?> c = Class.forName(args[0]);
             Constructor[] allConstructors = c.getDeclaredConstructors();
             for (Constructor ctor : allConstructors) {
              Class<?>[] pType  = ctor.getParameterTypes();
              for (int i = 0; i < pType.length; i++) {
                  if (pType.equals(cArg)) {
                   out.format("%s%n", ctor.toGenericString());
                   Type[] gpType = ctor.getGenericParameterTypes();
                   for (int j = 0; j < gpType.length; j++) {
                   char ch = (pType[j].equals(cArg) ? '*' : ' ');
                   out.format("%7c%s[%d]: %s%n", ch,
                        "GenericParameterType", j, gpType[j]);
                   break;
    // production code should handle this exception more gracefully
         } catch (ClassNotFoundException x) {
         x.printStackTrace();
    in Eclipse i've got nothing in my output console :/
    no errors, no warnings, no text ..... (it was terminated correctly)
    Can somebody tell me what should I do to make it work properly ?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

    Hi,
    In program arguments, you should not have ConstructorSift but only java.util.Formatter and java.util.Locale.
    (Eclipse : run dialog | arguments tab | program arguments)
    This is the output you should get:
    $ java ConstructorSift java.util.Formatter java.util.Locale
    public java.util.Formatter(java.util.Locale)
    *GenericParameterType[0]: class java.util.Locale
    public java.util.Formatter(java.lang.Appendable,java.util.Locale)
    GenericParameterType[0]: interface java.lang.Appendable
    *GenericParameterType[1]: class java.util.Locale
    public java.util.Formatter(java.lang.String,java.lang.String,java.util.Locale) throws java.io.FileNotFoundException,java.io.UnsupportedEncodingException
    GenericParameterType[0]: class java.lang.String
    GenericParameterType[1]: class java.lang.String
    *GenericParameterType[2]: class java.util.Locale
    public java.util.Formatter(java.io.File,java.lang.String,java.util.Locale) throws java.io.FileNotFoundException,java.io.UnsupportedEncodingException
    GenericParameterType[0]: class java.io.File
    GenericParameterType[1]: class java.lang.String
    *GenericParameterType[2]: class java.util.Locale
    public java.util.Formatter(java.io.OutputStream,java.lang.String,java.util.Locale) throws java.io.UnsupportedEncodingException
    GenericParameterType[0]: class java.io.OutputStream
    GenericParameterType[1]: class java.lang.String
    *GenericParameterType[2]: class java.util.Locale
    Hope that help,
    Jack

  • Sending a java.lang.reflect.Constructor through RMI

    Hi all,
    java.lang.reflect.Constructor is not serializable and therefore cannot be sent through RMI.
    The API documentation for java.lang.reflect.AccessibleObject says:
    "Setting the accessible flag in a reflected object permits sophisticated applications with sufficient privilege, such as Java Object *Serialization* or other persistence mechanisms, to manipulate objects in a manner that would normally be prohibited."
    I cannot fully understand that. Would this help provide a workaround for sending a Constructor throup RMI ? if so, how ?
    Thank you

    Gen.Java wrote:
    Hi all,
    java.lang.reflect.Constructor is not serializable and therefore cannot be sent through RMI.It wouldn't make any sense for it to be. I suspect you're imagining some magical scenario that is actually impossible, such as simply sending a constructor to a remote object, and having it somehow instantiate a class it knows nothing about. Whatever it is you're trying to achieve, this isn't the way to do it. So how about you tell us what that is
    The API documentation for java.lang.reflect.AccessibleObject says:
    "Setting the accessible flag in a reflected object permits sophisticated applications with sufficient privilege, such as Java Object *Serialization* or other persistence mechanisms, to manipulate objects in a manner that would normally be prohibited."
    I cannot fully understand that. Would this help provide a workaround for sending a Constructor throup RMI ? if so, how ?No. Sending constructors by RMI makes no sense. See above. As is usual in these cases, you've asked a question on some hacky solution to a problem, rather than the problem itself. Let's talk about that: the problem itself. What are you trying to achieve?

  • An unexpected exception occurred while attempting to locate the run-time information for this Web Service. Error: java.lang.reflect.InvocationTargetException:null

    Hi I m getting the below wxpection when i run test browser from workshop. please help me.
    An unexpected exception occurred while attempting to locate the run-time information for this Web Service. Error: java.lang.reflect.InvocationTargetException:null

    Thamarai,
    Can you provide more information on your jws ? Also can you start the server
    from the command line with verbose option. This will cause
    weblogic_debug.log to be generated in the domain folder.
    Raj Alagumalai
    Backline Workshop Support
    "Thamarai Selvan" <[email protected]> wrote in message
    news:[email protected]..
    Hi I m getting the below wxpection when i run test browser from workshop.please help me.
    >
    An unexpected exception occurred while attempting to locate the run-timeinformation for this Web Service. Error:
    java.lang.reflect.InvocationTargetException:null

  • How to use java.lang.Class.getMethod() and java.lang.reflect.Method.invoke(

    I want to call a specified method of one class dynamically. I use the method
    "getMethod()" in package "java.lang.Class" to get method and "invoke()" in
    " java.lang.reflect.Method " to invoke method.
    The problem is as following :
    1. There are two argument in this method "getMethod(String MethodName , Class[] paremterTypes)" in package "Class". I have no idea about the second parameter " Class[] parameterTypes ".what does the argument exactly mean ?
    2. There are two argument in the method "invoke(object obj, object[] obj)" in package "Method".
    I have no idea about the second parameter "object[] obj ".what is mean ?
    I pass " null " value to it and it works.But i pass anothers ,jvm will throw exception.

    I have a generic Method Executer that has a method like
    public Object execute(String className, String methodName, Object args)
        String fullClassName = packageName + className ;
        Class delegateClass = Class.forName(fullClassName);
        BaseDelegate delegate = (BaseDelegate)delegateClass.newInstance();
        Method method = null;
        if (args == null)
            method = delegateClass.getMethod(methodName, new Class[] {});
            obj = method.invoke(delegate,new Object[] {});
        else
            method = delegateClass.getMethod(methodName, new Class[] {args.getClass()});
            obj = method.invoke(delegate, new Object[]{args});
       }This seems to have problems when I call the method from a class like:
    execute("CategoryDelegate", "getCategoryById", new Integer(4144));(I get a NoSuchMethodException)
    The method I am trying to execute in CategoryDelegate looks like:
    public Category getCategoryById(int categoryId) throws DelegateExceptionI think it has to deal with the difference in the way we handle Primitive Wrappers and Objects. Wrapper we have to use Interger.TYPE and with the rest of the Objects we have to use obj.class.
    Am I doing something wrong here? Any suggestions to make it work for primitive wrappers as well as Objects?

  • Ugly problem with java.lang.reflect.InvocationTargetException

    Hello,
    I am writing a web service which connects to WebSphere MQ queue manager and puts a message on a queue.
    I use Eclipse and as usual I followed more or less the hints given at:
    http://www.eclipse.org/webtools/jst/components/ws/1.5/tutorials/BottomUpWebService/BottomUpWebService.html
    I have chosen Tomcat 5.5.20 as target server (had to, because otherwise it does not create a server-config.wsdd file), the web service WSDL thingies and the client were created successfully.
    I have created WAR files and everything went fine when I tested the thing on JBoss.
    Bad things started after I deployed the things on the Tomcat server. When I start the client I receive java.lang.reflect.InvocationTargetException as a result. The web service itself does not generate any exception, but the client does (I'll post the dump later..).
    During the debug it turned that the exception is generated at the moment when the web service program tries to call any of the WebSphere functions.
    Now - 1st obvious thing was to check if I have com.ibm.mq.jar in the WEB-INF/lib directory inside my WAR files. Yep! There it was.
    So.. if the thing works just fine on JBoss and it booms on Tomcat I wonder whats the hack here? I copied all of the MQ libraries i have from JBOSS_HOME/lib to CATALINA_HOME/shared/lib and CATALINA_HOME/common/lib. Well.. that's quite ugly, because all necessary jars are inside the WEB-INF/lib directory. Anyway nothing of the above helped me running the thing on Tomcat.
    Do you have any suggestions or have anyone of you ever had such problem?
    Here are the exception dump and part of the code:
      - Setting up MQ environment:
         - Setting hostname...
    An AxisFault exception occured: java.lang.reflect.InvocationTargetException
    AxisFault
    faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
    faultSubcode:
    faultString: java.lang.reflect.InvocationTargetException
    faultActor:
    faultNode:
    faultDetail:
         {http://xml.apache.org/axis/}hostname:ghjvk0j
    java.lang.reflect.InvocationTargetException
         at org.apache.axis.message.SOAPFaultBuilder.create
    Fault(SOAPFaultBuilder.java:222)
         at org.apache.axis.message.SOAPFaultBuilder.endElement(
    SOAPFaultBuilder.java:129)
         at org.apache.axis.encoding.DeserializationContext.endElement(
    DeserializationContext.java:1087)
         at org.apache.xerces.parsers.AbstractSAXParser.endElement(
    Unknown Source)
         at org.apache.xerces.impl.XMLNSDocumentScannerImpl.
    scanEndElement(Unknown Source)
         at org.apache.xerces.impl.XMLDocumentFragmentScanne
    rImpl$Fragment ContentDispatcher.dispatch(Unknown Source)
         at org.apache.xerces.impl.XMLDocumentFragmentScannerI
    mpl.scanDocument(Unknown Source)
         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
    Source)
         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
    Source)
         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
    Source)
         at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse
    (Unknown Source)
         at javax.xml.parsers.SAXParser.parse(Unknown Source)
         at org.apache.axis.encoding.DeserializationContext.parse(
    DeserializationContext.java:227)
         at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
         at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
         at org.apache.axis.handlers.soap.
    MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
         at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
         at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
         at org.apache.axis.client.Call.invoke(Call.java:2767)
         at org.apache.axis.client.Call.invoke(Call.java:2443)
         at org.apache.axis.client.Call.invoke(Call.java:2366)
         at org.apache.axis.client.Call.invoke(Call.java:1812)
         at pl.pzu.services.TfiAuthenticationSoapBindingStub.
    verify(TfiAuthenticationSoapBindingStub.java:245)
         at pl.pzu.services.TfiAuthenticationProxy.
    verify(TfiAuthenticationProxy.java:45)
         at org.apache.jsp.sampleTfiAuthenticationProxy.
    Result_jsp._jspService(Result_jsp.java:158)
         at org.apache.jasper.runtime.HttpJspBase.
    service(HttpJspBase.java:97)
         at javax.servlet.http.HttpServlet.
    service(HttpServlet.java:802)
         at org.apache.jasper.servlet.JspServletWrapper.
    service(JspServletWrapper.java:334)
         at org.apache.jasper.servlet.JspServlet.
    serviceJspFile(JspServlet.java:314)
         at org.apache.jasper.servlet.JspServlet.
    service(JspServlet.java:264)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
    (ApplicationFilterChain.java:252)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(
    ApplicationFilterChain.java:173)
         at org.apache.catalina.core.StandardWrapperValve.invoke(
    StandardWrapperValve.java:213)
         at org.apache.catalina.core.StandardContextValve.invoke
    (StandardContextValve.java:178)
         at org.apache.catalina.core.StandardHostValve.invoke(
    StandardHostValve.java:126)
         at org.apache.catalina.valves.ErrorReportValve.invoke(
    ErrorReportValve.java:105)
         at org.apache.catalina.core.StandardEngineValve.invoke(
    StandardEngineValve.java:107)
         at org.apache.catalina.connector.CoyoteAdapter.service(
    CoyoteAdapter.java:148)
         at org.apache.coyote.http11.Http11Processor.process(
    Http11Processor.java:869)
         at org.apache.coyote.http11.Http11BaseProtocol$Http11Connec
    tionHandler.processConnection(Http11BaseProtocol.java:664)
         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(Pool
    TcpEndpoint.java:527)
         at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(Lea
    derFollowerWorkerThread.java:80)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
    ThreadPool.java:684)
         at java.lang.Thread.run(Unknown Source)There is the part of the web service code where the event occurs:
         public void writeMessage(String message,
    String message_ID) throws Exception
              System.out.println("      - Setting up MQ environment: ");
              try
                   System.out.println("      - Setting hostname...");
         NEXT LINE CAUSES THE CLIENT TO THROW
         This is the first call to any WebSphere assets.
         During debug It says the it is unable to inspect the MQEnvironment
         object...
                   MQEnvironment.hostname = m_config.getQMHost();
                   System.out.println("      - Setting port...");
                   MQEnvironment.port = m_config.getQMPort();
                   System.out.println("      - Setting channel...");
                   MQEnvironment.channel = m_config.getQMChannel();
         }I think that if it works on JBoss and it doesn't on Tomcat it is not coding problem, but rather a configuration...
    Thanx for any ideas or help from ur side.

    Did you have any success on this?
    I also have the same problem with Tomcat 6.
    I had Tomcat 5.0 working with this code, but when we migrated to Tomcat 6.0, I am getting this exception on the clent side. I figured out that it is occuring on invoking WebSphere MQ call from the code.
    Thanks

  • Java.lang.reflect.UndeclaredThrowableException

    Hi All,
    I've created few xsds under the schema package and I'm populating the xsd dataobject un a process file. One of the attributes is an array and when I try to populate this array, I'm getting an exception (mentioned below). It does work fine when I don' t populate that array attribute and populate all non array attributes. There is no problem with the xsds as I've created the jar file using XMLbeans and tested the same code in Eclipse and it works fine but when I test the same code in bea workshop it just doesn't let me populate that array attribute. I'm sure there is some problem with the Weblogic understanding of the xsd objects but I don't have any clue of its solution. I'm running bea8.1 sp5 integration server.
    When I did a printStackTrace this is what I got. Also please see the bold line, it says Unknown Source for the array object. There is no error in the xsds and I checked the Schema.jar file using a decompiler. Everything looks good to me.
    java.lang.reflect.UndeclaredThrowableException
    at $Proxy22.setCustomerAccntArray([Lcom/qwest/billing/cdeSchema/CustomerAccntNumberType;)V(Unknown Source)[/b]
    at processes.orchestratorProcess.populateAggregationRequest()V(orchestratorProcess.jpd:190)
    at processes.orchestratorProcess_wf$ImplPerform3.invoke(Lcom/bea/wli/bpm/runtime/ProcessState;)V(orchestratorProcess_w
    f.java:50)
    at com.bea.wli.bpm.runtime.Perform.execute(Lcom/bea/wli/bpm/runtime/ProcessState;)Lcom/bea/wli/bpm/runtime/Activity;(P
    erform.java:32)
    at com.bea.wli.bpm.runtime.Receive.messageDelivery(Lcom/bea/wli/bpm/runtime/ProcessState;[Ljava/lang/Object;)Ljava/lan
    g/Object;(Receive.java:91)
    at com.bea.wli.bpm.runtime.Receive.messageDeliveryAction(Lcom/bea/wli/bpm/runtime/ProcessState;[Ljava/lang/Object;)Lja
    va/lang/Object;(Receive.java:71)
    at com.bea.wli.bpm.runtime.ProcessState.processMessage(I[Ljava/lang/Object;Z)Ljava/lang/Object;(ProcessState.java:176)
    Please help me out with the same.Thanks,
    Saurabh

    Got the solution. The line in BOLD was missing. It allocates the memory for the object before setting the custAccntNumType object into the Array.
    CustomerAccntNumberListType accntNumberListType = CustomerAccntNumberListType.Factory.newInstance();
    CustomerAccntNumberType[] cAccntNumberTypesArr = new CustomerAccntNumberType[5];
    for (int i = 0; i < 5; i++) {
    CustomerAccntNumberType custAccntNumType = CustomerAccntNumberType.Factory.newInstance();
    custAccntNumType.setCustomerAccntNumber("Saurabh" + i);
    custAccntNumType.setProrationEventId(i);
    cAccntNumberTypesArr[i] = custAccntNumType;
    try {              
    accntNumberListType.addNewCustomerAccnt();
    accntNumberListType.setCustomerAccntArray(i,custAccntNumType);
    } catch(Exception e) {
    System.out.println("Cause of the exepion " +e.getCause());
    e.printStackTrace();
    //throw e;
    }

  • Unexpected exception: java.lang.reflect.InvocationTargetException Help!

    What this error mean. Help! I dont understand. The program is running when I try to run it but when I try to deploy it using JNLP it wont work.
    java.lang.reflect.InvocationTargetException
         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 com.sun.javaws.Launcher.executeApplication(Unknown Source)
         at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
         at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
         at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
         at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
         at com.sun.javaws.Launcher.run(Unknown Source)
         at java.lang.Thread.run(Unknown Source)
    Caused by: java.lang.NoClassDefFoundError: Cutout$1
         at Cutout.<init>(Cutout.java:45)
         at Cutout.main(Cutout.java:175)
         ... 11 more
    It seems like the error is at line 45 of my code. My code starting from line 45 is this...
         capture.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                        try {
                             java.awt.Point pos = jFrame.getLocationOnScreen();
                             javax.imageio.ImageIO.write(shot.getSubimage(pos.x + 3, pos.y + 27, jFrame.getWidth() - 7, jFrame.getHeight() - 30), "jpg", new java.io.File("image.jpg"));
                        } catch(java.io.IOException ioe) {
                             ioe.printStackTrace();
         popup.add(capture);
         refresh = new javax.swing.JMenuItem("Refresh");
         refresh.setMnemonic('R');
            refresh.addActionListener(new java.awt.event.ActionListener() {
              public void actionPerformed(java.awt.event.ActionEvent evt) {
                        refresh();
         popup.add(refresh);
         exit = new javax.swing.JMenuItem("Exit");
         exit.setMnemonic('x');
            exit.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                        jFrame.setVisible(false);
                        jFrame.dispose();
                        System.exit(0);
         popup.add(exit);
            addMouseListener(new java.awt.event.MouseAdapter() {
                public void mouseReleased(java.awt.event.MouseEvent evt) {
                    popup.show(evt.getComponent(), evt.getX(), evt.getY());
            });Is there something wrong with this one?

    Hi,
    I get the same error and i am not really sure what your explanation says... This problem below is the latest of a series of problems i started getting after i updated my BIRT version in Eclipse 3.3.1 and RAD 6.0... I troubleshooted and resolved most of them however i am not sure and it is not obvious to me what is required for this particular one below
    In the problems tab there is nothing to give me a clue. The exception below appears in the Websphere console and also on the page when trying to access my jsp file normally. I am not sure what is causing it, but here it is:
    JSP Processing Error
    HTTP Error Code: 500
    Error Message:JSPG0227E: Exception caught while translating /directory/init.jsp: java.lang.reflect.InvocationTargetException
    Root Cause:com.ibm.ws.jsp.translator.JspTranslationException: JSPG0227E: Exception caught while translating /directory/init.jsp: java.lang.reflect.InvocationTargetException     at com.ibm.ws.jsp.translator.JspTranslator.processVisitors(JspTranslator.java:133)     at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJsp(JspTranslatorUtil.java:168)     at com.ibm.ws.jsp.translator.utils.JspTranslatorUtil.translateJspAndCompile(JspTranslatorUtil.java:81)     at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.translateJsp(JSPExtensionServletWrapper.java:298)     at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.checkForTranslation(JSPExtensionServletWrapper.java:265)     at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:137)     at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:230)     at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2837)     at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:220)     at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:204)     at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1681)     at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)     at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:421)     at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:367)     at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)     at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)     at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)     at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)     at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)     at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)
    One of the funny things here, is that this is happening only when i start websphere in debug mode!
    Does anyone have any idea of what may be causing this or how we can find what's causing it or how to resolve it??
    Thanks in advance
    & Best Regards
    Spiros P.

  • AxisFault: java.lang.reflect.InvocationTargetException

    Hi all,
    this is really really weird.
    I am having a service, where I send files and an own datatype to.
    Well, this all works very fine (after lots of "trial/error" ;-) ).
    But now, I want to use jacksum to compare the checksum of the transferred file and before and after the transfer.
    The strange thing is, the code works when I run the service as a java application.
    But when I call it from my client I get an error in a row which definetly is not wrong!
    The error is (well, this error message really didn't help me at all!):
    AxisFault
    faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
    faultSubcode:
    faultString: java.lang.reflect.InvocationTargetException
    faultActor:
    faultNode:
    faultDetail:
         {http://xml.apache.org/axis/}hostname: r27300
    java.lang.reflect.InvocationTargetException
         at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:260)
         at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:169)
         at org.apache.axis.encoding.DeserializationContextImpl.endElement(DeserializationContextImpl.java:1015)
         at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
         at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
         at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
         at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
         at javax.xml.parsers.SAXParser.parse(Unknown Source)
         at org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:242)
         at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:538)
         at org.apache.axis.Message.getSOAPEnvelope(Message.java:376)
         at org.apache.axis.client.Call.invokeEngine(Call.java:2583)
         at org.apache.axis.client.Call.invoke(Call.java:2553)
         at org.apache.axis.client.Call.invoke(Call.java:2248)
         at org.apache.axis.client.Call.invoke(Call.java:2171)
         at org.apache.axis.client.Call.invoke(Call.java:1691)
         at com.libs.serveradmin.util.FileSaving.saveFile(FileSaving.java:75)
         at com.libs.serveradmin.model.UploadFileBean.upload(UploadFileBean.java:508)
         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 com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
         at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
         at javax.faces.component.UICommand.broadcast(UICommand.java:312)
         at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
         at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
         at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75)
         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
         at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
         at com.libs.serveradmin.filter.MultiPartFilter.doFilter(MultiPartFilter.java:50)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
         at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
         at java.lang.Thread.run(Unknown Source)Did anyone have the same problem before and did solve it?
    I can tell you, that all the jars needed are there, because without calculating the checksum the service is called without an error.
    And on the other hand, trying to run my web service as a java application, this works fine aswell.
    Hope, anyone can help me, because I'm really stuck in that problem
    Thanks a lot in advance!
    Steffi

    Yeah I have to agree, it was pretty simple and if you dont understand the concept of a build path within an IDE you probably should be reading some more basic tutorials than those centered around web services.
    That wasnt meant as an insult either, but I doubt you would really understand what it is that you are doing.
    Lots of things could cause an invocation target exception, not just a missing jar file so if you are getting this exception the solution on this page could well be wrong in your situation.
    You should look for the actual cause of this exception on your application server where the web service in exposed from, and\or read the javadoc below.
    [Invocation Target Exception|http://java.sun.com/j2se/1.4.2/docs/api/java/lang/reflect/InvocationTargetException.html]

  • Catching java.lang.reflect.InvocationTargetException

    Hi all,
    Our Windows NT service developed in Java is throwing exception
    java.lang.reflect.InvocationTargetException when run as a service.
    The same code does not throw this exception when run interactively.
    We are trying to get a list of files in particular folder.
    The suspect line of code is:
    fLogFiles = fLogFolder.listFiles();
    where fLogFolder is File object pointing to a folder.
    My guess is this is permissions issue but running
    the service by the administrator also causes the problem.
    I tried to catch the exception with
    ========================================================
    catch (java.lang.reflect.InvocationTargetException ex)
    ex.getTargetException().printStackTrace();
    ============================================
    but compiler gives this error
    exception java.lang.reflect.InvocationTargetException is never thrown
    in the body of corresponding statement
    I know for sure that the exception is thrown there.
    Any help will be greatly appreciated.
    TIA

    How do you use Java in a NT Service? If you are using
    JavaService or some other "multi-purpose" service
    launcher, then you are probably registering the method
    that should be run as service by name, and the
    launcher then calls that method using reflection? My
    guess is that either the code trying to invoke your
    method is throwing the exception because of some
    environment problem - or your code throws some other
    exception that is then translated to
    InvocationTargetException on their end of invoke().
    Hard to say without more information though.
    Br - J
    We use com.ms.service package.
    It works fine. The service monitors MQSeries queue and creates files out of messages. We wanted to check for duplicate contents and hence
    I'm trying to get to existing messages.

  • Help:java.lang.reflect

    Dear every one,
    I have a class as following:
    public class classA implements interfaceA{.....}
    ,but when I use the class.forName() method to open the classA as following:
    Class c=Class.forName("classA");
    it generate java.lang.NoClassDefFoundError, could you please tell me why, and
    how can solve the problem. Thanks a lot.
    Yours Leon

    Thank you very much for your reply, but it is not the point , at least not what i want, assumed the 3 classes are following:
    //class1: classA.class
    public class classA{
         public static void main(String args[]){System.out.println("OK");}
         public void m1(){}
         public String m2(String mst){System.out.println(mst);return mst;}
    //class2 : classB.class
    public class classB implement Interface1{....}
    //class3: atest.class
    import java.lang.reflect.*;
    public class atest{
    public static void main(String args[]){
         try{
         Class a=Class.forName("classA");//it works
         Class a1=Class.forName("classB");//doesn't work
         System.out.println(a.getName());
         System.out.println(a1.getName());
         }catch(Exception e){}
    }

  • Error deploying application - java.lang.reflect.UndeclaredThrowableException

    Hi! I use WebLogic Server 6.1 SP2 on SuSE Linux platform.
    I tried to install a new EJB application. The server has showed "Receiving file...uploadhas
    completed, now installing... done" on screen.
    But I found that there has an "error deploying application - java.lang.reflect.UndeclaredThrowableException"
    on the server log. (Pls see details on the attached file)
    How to solve it?
    [Exception.txt]

    Karpoor,
    Can you post the stacktrace please?
    Ravi Akella.
    Karpoor wrote:
    I am newt to EJB I have been trying to deploy this stateless session
    bean onto the server weblogic 6.1 I have been getting this error
    error deploying Application
    java.lang.reflect.undeclaredThrowableException
    kindly do reply about how to solve this error
    thankx for the same.
    karpoor

  • Webs ervices exception: java.lang.reflect.InvocationTargetException

    hi guys!
    i created web services using "Eclipse Ganymede" and i created a class for acessing bussiness objects of another project. so i included all jars into web services project. While i am testing my web services i am getting an exceprion as
    exception: java.lang.reflect.InvocationTargetException So please help me to resolve this problem. i think while ruunig my webservices java could n't able to read the execute the jar files.if its so please suggest what to do?
    Regards
    vm

    When you run your code standalone there is no security manager so you won't get a PrivilegedActionException. Install a SecurityManager and examine the complete stack trace to see what is going on.

  • Exception raised: java.lang.reflect.InvocationTargetException

    Hi Everybody,
    I run into the below problem while trying to set the security realm in the WebLogic
    sp8 examples. I tried to find information about it on this newsgroup but so I couldn't
    find any helpful solutions. Please, help.
    Tue Apr 17 11:59:20 GMT 2001:<I> <WebLogicServer> Server loading from weblogic.class.path.
    EJB redeployment enabled.
    The WebLogic Server did not start up properly.
    Exception raised: java.lang.reflect.InvocationTargetException
    java.lang.reflect.InvocationTargetException: java.lang.NoClassDefFoundError: weblogic/security/acl/DefaultGroupImpl
    at weblogic.utils.reuse.Pool.getInstance(Pool.java:57)
    at examples.security.rdbmsrealm.RDBMSRealm.getDelegate(RDBMSRealm.java:113)
    at examples.security.rdbmsrealm.RDBMSRealm.getPermission(RDBMSRealm.java:512)
    at weblogic.security.acl.CachingRealm.getPermission(CachingRealm.java:1713)
    at weblogic.security.acl.CachingRealm.setupAcls(CachingRealm.java, Compiled
    Code)
    at weblogic.security.acl.CachingRealm.<init>(CachingRealm.java:706)
    at weblogic.security.acl.CachingRealm.<init>(CachingRealm.java:564)
    at weblogic.t3.srvr.T3Srvr.initializeSecurity(T3Srvr.java:1759)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:827)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    java.lang.NoClassDefFoundError: weblogic/security/acl/DefaultGroupImpl
    at weblogic.utils.reuse.Pool.getInstance(Pool.java:57)
    at examples.security.rdbmsrealm.RDBMSRealm.getDelegate(RDBMSRealm.java:113)
    at examples.security.rdbmsrealm.RDBMSRealm.getPermission(RDBMSRealm.java:512)
    at weblogic.security.acl.CachingRealm.getPermission(CachingRealm.java:1713)
    at weblogic.security.acl.CachingRealm.setupAcls(CachingRealm.java, Compiled
    Code)
    at weblogic.security.acl.CachingRealm.<init>(CachingRealm.java:706)
    at weblogic.security.acl.CachingRealm.<init>(CachingRealm.java:564)
    at weblogic.t3.srvr.T3Srvr.initializeSecurity(T3Srvr.java:1759)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:827)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)

    "WebLogic" <[email protected]> wrote:
    The WebLogic Server did not start up properly.
    Exception raised: java.lang.reflect.InvocationTargetException
    java.lang.reflect.InvocationTargetException: java.lang.NoSuchMethodErrorSame with me.
    I also noted, that in a file "clodscape.LOG" there are messages "4.10.2000 15:12 Thread[JDBCStartupThread,6,main] Thank you for your interest in Cloudscape products. Your evaluation license has expired. Please contact Cloudscape sales at 1-888-59JAVA1 or [email protected]"
    Maybe this is the source of the problem, not NT SP6?
    - Juha

  • Need help on java.lang.reflect

    Hi,
    I want to use the java.lang.reflect package's member classes for my program. Is there any place on web where I can get complete details of these packages including, classes, methods, functions and their arguements etc.
    Thanks.

    Hi jasper,
    It serves my purpose. But it is available as web page with links. Is there any downloadable version available?
    Can anybody help me, because I won't be online all the time.

Maybe you are looking for

  • Asset Deperciation amount is not getting updated in cost acccount?

    Dear all, Created an asset and assigned that to a cost center and maintained dep. key for both book of accounts and cost account, then I run the dep. its getting posted to FI but at the same time when i check S_ALR_87010175  i am not getting the cost

  • You do not have permissions to open the dashboard

    On a clean install of 2012 R2, I joined an existing domain and added the Essentials role.  After that, I configured it which took about 5 minutes.  At the end, it placed an icon on the desktop called "Dashboard".  It will not allow me to open this no

  • I  Need SQL query

    Hi experts,   One of our Client asking in Aging Reports along with Customer state and  Country and  District. Please Help me out this issue .. I need this Query. Thanks Dineshkumar kannan

  • When I push play the video does not play.

    I have PP 2014. When I push play the video sometimes does not play. I just read here that the July 10th update may fix this, but the update keeps failing. Do i need to do something special?

  • Safari isn't working continuously after os x Yosemite upgrade

    Hi, I am having hard time using Safari after upgrading to os x Yosemite. I have MBP retina early 2013 and what the problem seams to be is when I use the app, it works fine for some time and than it freezes and does not respond. At the same time I swi