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] > >
