Dear Andreas, After checking my system carefully, I noticed that one package was compiled by JDK 1.3. After compiling by JDK 1.6, everything is fine.
I appreciate so much for your and other guys' help! Best, LB On Mon, Mar 14, 2011 at 10:48 PM, Andreas Veithen <[email protected] > wrote: > That is your interpretation. What the stack trace really says is that > Axis2 successfully invokes your service (namely > CategorizedHubService#getCategorizedHub), but that there is an issue > in your service. A NoSuchMethodError (in contrast to > NoSuchMethodException) usually indicates a problem with the build > (wrong version of a class packaged into the application) or a class > loader problem (multiple versions of the same class in classpaths of > different class loaders). > > Andreas > > On Mon, Mar 14, 2011 at 15:14, Bing Li <[email protected]> wrote: > > However, it makes my method cannot be invoked! > > > > Thanks! > > LB > > > > On Mon, Mar 14, 2011 at 10:12 PM, Andreas Veithen > > <[email protected]> wrote: > >> > >> As I said earlier, "Ljava/lang/String;" is simply the name that the > >> Java Virtual Machine uses internally for the java.lang.String type. > >> There is really nothing magic here. > >> > >> Andreas > >> > >> On Mon, Mar 14, 2011 at 15:08, Bing Li <[email protected]> wrote: > >> > In Axis2, no WSDD is required. > >> > > >> > POJO is what I am using. At the server, users just need to write OO > >> > program > >> > as usual. No particular work is required. I notice that the sample, > >> > addressbook, in the directory of POJO accompanied with AXIS binary > >> > package, > >> > works fine. My case should be the same as that. But the method on the > >> > server > >> > is not recognized for my method's parameters is changed from String to > >> > Ljava/lang/java! > >> > > >> > What I am wondering why Ljava/lang/java comes out? I never use it. I > >> > believe > >> > a proper design of Web services development system should NOT bother > >> > users > >> > with so many underlying techniques. > >> > > >> > Thanks, > >> > LB > >> > > >> > On Mon, Mar 14, 2011 at 10:02 PM, <[email protected]> wrote: > >> >> > >> >> Well, I'm not expert at all. The exception is in the server side, > >> >> right? > >> >> Can you share the wsdd? > >> >> > >> >> Sent via BlackBerry from T-Mobile > >> >> > >> >> ________________________________ > >> >> From: Bing Li <[email protected]> > >> >> Date: Mon, 14 Mar 2011 21:48:14 +0800 > >> >> To: JOSE L MARTINEZ-AVIAL<[email protected]> > >> >> ReplyTo: [email protected] > >> >> Cc: <[email protected]> > >> >> Subject: Re: NoSuchMethodError: ... (LJava/lang/String) > >> >> Dear Jose, > >> >> > >> >> I didn't use WSDL to generate any stud code. What I am currently > using > >> >> is > >> >> POJO. I don't understand why AXIS has such a design on Web services? > >> >> > >> >> Thanks, > >> >> LB > >> >> > >> >> On Mon, Mar 14, 2011 at 7:35 PM, JOSE L MARTINEZ-AVIAL > >> >> <[email protected]> > >> >> wrote: > >> >>> > >> >>> can you provide the WSDL you are using? > >> >>> > >> >>> 2011/3/14 Bing Li <[email protected]> > >> >>>> > >> >>>> Sorry to send the question again. I forgot putting the example code > >> >>>> in > >> >>>> the previous email. The code is as follows. It works fine. However, > >> >>>> my code > >> >>>> does not. > >> >>>> > >> >>>> public class AddressBookService { > >> >>>> > >> >>>> private HashMap entries = new HashMap(); > >> >>>> private MyAddress myaddr = new MyAddress(); > >> >>>> > >> >>>> /** > >> >>>> * Add an Entry to the Address Book > >> >>>> * @param entry > >> >>>> */ > >> >>>> public void addEntry(Entry entry) { > >> >>>> this.entries.put(entry.getName(), entry); > >> >>>> } > >> >>>> > >> >>>> /** > >> >>>> * Search an address of a person > >> >>>> * > >> >>>> * @param name the name of the person whose address needs to be > >> >>>> found > >> >>>> * @return return the address entry of the person. > >> >>>> */ > >> >>>> public Entry findEntry(String name) { > >> >>>> return myaddr.getAddr(name); > >> >>>> } > >> >>>> } > >> >>>> > >> >>>> > >> >>>> On Mon, Mar 14, 2011 at 2:33 PM, Bing Li <[email protected]> wrote: > >> >>>>> > >> >>>>> Dear Martin, > >> >>>>> > >> >>>>> I appreciate so much for your help! > >> >>>>> > >> >>>>> However, I am still confused about the problem. I tried one > example > >> >>>>> as > >> >>>>> follows. In this example, a String is sent as a parameter. And > then > >> >>>>> a local > >> >>>>> method, getAddr(String keyword), of an object, MyAddress, is > >> >>>>> invoked. I > >> >>>>> noticed that it worked fine. > >> >>>>> > >> >>>>> My case should be the same as that. What I am wondering why such a > >> >>>>> type > >> >>>>> Ljava/lang/String emerged! I never touched that. Moreover, even > >> >>>>> though I > >> >>>>> changed the String to String[], the problem still exists. Really > >> >>>>> don't > >> >>>>> understand why Web services has such a design. > >> >>>>> > >> >>>>> I use POJO to implement my Web services. Could you give me a hand? > >> >>>>> > >> >>>>> Thanks, > >> >>>>> LB > >> >>>>> > >> >>>>> On Mon, Mar 14, 2011 at 9:49 AM, Martin Gainty < > [email protected]> > >> >>>>> wrote: > >> >>>>>> > >> >>>>>> it seems that you changed your original input or output message > to > >> >>>>>> send array of string to single string or vice versa > >> >>>>>> > >> >>>>>> if you see the operation SelectCategoriedHubByKey make sure your > >> >>>>>> input > >> >>>>>> and output messages reference the ArrayOfString typed element > here > >> >>>>>> is an > >> >>>>>> example > >> >>>>>> > >> >>>>>> <?xml version="1.0" encoding="UTF-8"?> > >> >>>>>> <xsd:schema targetNamespace="http://www.test.org/sample_types"; > >> >>>>>> xmlns:tns="http://www.test.org/sample_types"; > >> >>>>>> > >> >>>>>> xmlns:soap-enc="http://www.w3.org/2001/09/soap-encoding"; > >> >>>>>> xmlns:xsd="http://www.w3.org/2001/XMLSchema";> > >> >>>>>> <!-- > >> >>>>>> These will cause errors in generation but are necessary for > an > >> >>>>>> XML > >> >>>>>> schema validator > >> >>>>>> like IBM Schema Quality Checker > >> >>>>>> <xsd:import > >> >>>>>> namespace="http://schemas.xmlsoap.org/soap/encoding/"; > >> >>>>>> > >> >>>>>> schemaLocation="http://schemas.xmlsoap.org/soap/encoding/"/> > >> >>>>>> <xsd:import namespace=" > http://www.w3.org/2001/09/soap-encoding"; > >> >>>>>> > >> >>>>>> schemaLocation="http://www.w3.org/2001/09/soap-encoding"/> > >> >>>>>> --> > >> >>>>>> <xsd:complexType name="ArrayOfString"> > >> >>>>>> <xsd:complexContent> > >> >>>>>> <xsd:restriction base="soap-enc:Array"> > >> >>>>>> <xsd:sequence> > >> >>>>>> <xsd:element name="stringElement" type="xsd:string" > >> >>>>>> minOccurs="0" maxOccurs="unbounded"/> > >> >>>>>> </xsd:sequence> > >> >>>>>> <xsd:attributeGroup ref="soap-enc:arrayAttributes"/> > >> >>>>>> <xsd:attributeGroup ref="soap-enc:commonAttributes"/> > >> >>>>>> </xsd:restriction> > >> >>>>>> </xsd:complexContent> > >> >>>>>> </xsd:complexType> > >> >>>>>> > >> >>>>>> <xsd:element name="strings" type="tns:ArrayOfString" > >> >>>>>> nillable="true" > >> >>>>>> minOccurs="1" maxOccurs="1" /> > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> <!-- you can reference element name 'strings' for either > >> >>>>>> InputMessage > >> >>>>>> or OutputMessage for your SelectCategoriedHubByKey operation --> > >> >>>>>> > >> >>>>>> Martin > >> >>>>>> ______________________________________________ > >> >>>>>> Verzicht und Vertraulichkeitanmerkung/Note de déni et de > >> >>>>>> confidentialité > >> >>>>>> > >> >>>>>> Diese Nachricht ist vertraulich. Sollten Sie nicht der > vorgesehene > >> >>>>>> Empfaenger sein, so bitten wir hoeflich um eine Mitteilung. Jede > >> >>>>>> unbefugte > >> >>>>>> Weiterleitung oder Fertigung einer Kopie ist unzulaessig. Diese > >> >>>>>> Nachricht > >> >>>>>> dient lediglich dem Austausch von Informationen und entfaltet > keine > >> >>>>>> rechtliche Bindungswirkung. Aufgrund der leichten > Manipulierbarkeit > >> >>>>>> von > >> >>>>>> E-Mails koennen wir keine Haftung fuer den Inhalt uebernehmen. > >> >>>>>> > >> >>>>>> Ce message est confidentiel et peut être privilégié. Si vous > n'êtes > >> >>>>>> pas le destinataire prévu, nous te demandons avec bonté que pour > >> >>>>>> satisfaire > >> >>>>>> informez l'expéditeur. N'importe quelle diffusion non autorisée > ou > >> >>>>>> la copie > >> >>>>>> de ceci est interdite. Ce message sert à l'information seulement > et > >> >>>>>> n'aura > >> >>>>>> pas n'importe quel effet légalement obligatoire. Étant donné que > >> >>>>>> les email > >> >>>>>> peuvent facilement être sujets à la manipulation, nous ne pouvons > >> >>>>>> accepter > >> >>>>>> aucune responsabilité pour le contenu fourni. > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> ________________________________ > >> >>>>>> Date: Mon, 14 Mar 2011 04:16:07 +0800 > >> >>>>>> Subject: Re: NoSuchMethodError: ... (LJava/lang/String) > >> >>>>>> From: [email protected] > >> >>>>>> To: [email protected] > >> >>>>>> CC: [email protected] > >> >>>>>> > >> >>>>>> Dear Andreas, > >> >>>>>> > >> >>>>>> Thanks so much for your reply! > >> >>>>>> > >> >>>>>> Could you please tell me how to solve the problem? > >> >>>>>> > >> >>>>>> Thanks, > >> >>>>>> LB > >> >>>>>> > >> >>>>>> On Mon, Mar 14, 2011 at 3:41 AM, Andreas Veithen > >> >>>>>> <[email protected]> wrote: > >> >>>>>> > >> >>>>>> No, "Ljava/lang/String;" is the type descriptor used by the JVM > to > >> >>>>>> represent java.lang.String. The type descriptor for String[] > would > >> >>>>>> be > >> >>>>>> "[Ljava/lang/String;". > >> >>>>>> > >> >>>>>> Andreas > >> >>>>>> > >> >>>>>> On Sun, Mar 13, 2011 at 20:31, JOSE L MARTINEZ-AVIAL > >> >>>>>> <[email protected]> wrote: > >> >>>>>> > I think it is trying to invoke a method with a String[] > >> >>>>>> > attribute, > >> >>>>>> > not > >> >>>>>> > simply a String. > >> >>>>>> > > >> >>>>>> > 2011/3/13 Bing Li <[email protected]> > >> >>>>>> >> > >> >>>>>> >> Dear all, > >> >>>>>> >> > >> >>>>>> >> I am a new Axis2 user. Today I got a weird exception when > >> >>>>>> >> calling a > >> >>>>>> >> Web > >> >>>>>> >> service. > >> >>>>>> >> > >> >>>>>> >> This Web service is deployed on Tomcat/Axis2. I need to > transmit > >> >>>>>> >> an > >> >>>>>> >> object > >> >>>>>> >> (parameter) to it. The object contains a String attribute. The > >> >>>>>> >> object is > >> >>>>>> >> received correctly. However, when calling a local method on > the > >> >>>>>> >> remote > >> >>>>>> >> machine, it got the following errors. I noticed that the > method > >> >>>>>> >> SelectCategoriedHubByKey(Ljava/lang/String key) cannot be > found > >> >>>>>> >> on > >> >>>>>> >> the > >> >>>>>> >> machine. Actually, the method should be > >> >>>>>> >> SelectCategoriedHubByKey(String > >> >>>>>> >> key). Why is the parameter changed from String to > >> >>>>>> >> LJava/lang/String? How to > >> >>>>>> >> solve the problem? > >> >>>>>> >> > >> >>>>>> >> Thanks so much! > >> >>>>>> >> LB > >> >>>>>> >> > >> >>>>>> >> [ERROR] > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > com.greatfree.OODB.CategorizedHubDB.SelectCategorizedHubByKey(Ljava/lang/String;)Lcom/greatfree/OODB/CategorizedHub; > >> >>>>>> >> java.lang.reflect.InvocationTargetException > >> >>>>>> >> 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 > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114) > >> >>>>>> >> at > >> >>>>>> >> > org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:173) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:173) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:144) > >> >>>>>> >> at > >> >>>>>> >> javax.servlet.http.HttpServlet.service(HttpServlet.java:641) > >> >>>>>> >> at > >> >>>>>> >> javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:108) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:558) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:379) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:259) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:237) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:281) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > >> >>>>>> >> at java.lang.Thread.run(Thread.java:662) > >> >>>>>> >> Caused by: java.lang.NoSuchMethodError: > >> >>>>>> >> > >> >>>>>> >> > >> >>>>>> >> > com.greatfree.OODB.CategorizedHubDB.SelectCategorizedHubByKey(Ljava/lang/String;)Lcom/greatfree/OODB/CategorizedHub; > >> >>>>>> >> at > >> >>>>>> >> > >> >>>>>> >> > com.greatfree.HTTP.CategorizedHubService.getCategorizedHub(Unknown > >> >>>>>> >> Source) > >> >>>>>> >> ... 29 more > >> >>>>>> >> > >> >>>>>> > > >> >>>>>> > > >> >>>>>> > >> >>>>>> > >> >>>>>> > --------------------------------------------------------------------- > >> >>>>>> To unsubscribe, e-mail: [email protected] > >> >>>>>> For additional commands, e-mail: [email protected] > >> >>>>>> > >> >>>>>> > >> >>>>> > >> >>>> > >> >>> > >> >> > >> > > >> > > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
