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From Harald Pollak <h.pol...@pke.at>
Subject RE: Axis / JNI once more
Date Tue, 01 Jul 2003 09:58:36 GMT
I tried to do this, and i got :

init Class
* Native library 'JNIDate' loaded
Constructor
call method: SMS.JNIDate@17cfd38 : 10.146.3.42:1800
now
/usr/lib/j2sdk1.4.2/jre/lib/i386/client:/usr/lib/j2sdk1.4.2/jre/lib/i386:/usr/lib/j2sdk1.4.2/jre/../lib/i386
java.lang.UnsatisfiedLinkError: getJNIDate
        at SMS.JNIDate.getJNIDate(Native Method)
        at SMS.JNIDate.getDate(JNIDate.java:31)
        at
SMS.ServicesSoapBindingImpl.getDate(ServicesSoapBindingImpl.java:23)
        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:324)
        at
org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:402)
        at
org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:309)
        at
org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:333)
        at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:71)
        at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:150)
        at org.apache.axis.SimpleChain.invoke(SimpleChain.java:120)
        at
org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:481)
        at org.apache.axis.server.AxisServer.invoke(AxisServer.java:323)
        at
org.apache.axis.transport.http.AxisServlet.invokeEndpointFromGet(AxisServlet.java:544)
        at
org.apache.axis.transport.http.AxisServlet.processMethodRequest(AxisServlet.java:466)
        at
org.apache.axis.transport.http.AxisServlet.doGet(AxisServlet.java:294)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at
org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:339)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:286)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:562)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:974)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:205)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:562)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:974)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:177)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:562)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:974)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:562)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:974)
        at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:203)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:637)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:484)
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:568)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:631)
        at java.lang.Thread.run(Thread.java:534)


So in my oppinion the WS got the library, but it cannot access the
methode.

I think it's where strange, because this class works in a servlet. 

maybe you have an other idea

best regards 
Harry


On Die, 2003-07-01 at 11:04, Lilantha Darshana wrote:

> I guess you have to set LD_LIBRARY_PATH environment variable on your
> platform
> to pick up the .so from there. and make a call like:
> 
> static {
>         try {
>              System.loadLibrary("JNIDate");
>              System.out.println("* Native library 'JNIDate' loaded");
>         }
>         catch (Throwable e) {
>             e.printStackTrace();
>         }
>     }
> 
> in your code.
> 
> -Lilantha
> 
> -----Original Message-----
> From: Sanjiva Weerawarana [mailto:sanjiva@watson.ibm.com]
> Sent: Tuesday, July 01, 2003 2:47 PM
> To: axis-dev@ws.apache.org
> Subject: Re: Axis / JNI once more
> 
> 
> Do you mean that libJNIDate.so is on your java.lib.path directly?
> Its been a while since I did JNI, but given that you say
> loadLibrary ("JNIDate") I'm pretty sure that the path should
> have the directory that that library is in only.
> 
> Sanjiva.
> 
> ----- Original Message -----
> From: "Harald Pollak" <h.pollak@pke.at>
> To: "Axis-Dev" <axis-dev@ws.apache.org>
> Sent: Tuesday, July 01, 2003 12:55 PM
> Subject: Re: Axis / JNI once more
> 
> 
> > Thanks this was a very good hint, now i know that the library isn't
> > found.
> > (java.lang.UnsatisfiedLinkError: getJNIDate)
> >
> > But now is stand befor an other problem:
> > I tried to print out the java.library.path ( got by
> > System.err.println(AxisProperties.getProperty("java.library.path"));
> > )
> >
> > but my libJNIDate.so is in this path.
> >
> > Is there an other path used by axis?
> >
> > thanks
> > harry
> >
> >
> > On Die, 2003-07-01 at 08:24, Sanjiva Weerawarana wrote:
> >
> > > Try changing the catch around jd.getDate() to catch (Throwable) ..
> > > maybe its throwing something you're not catching.
> > >
> > > Sanjiva.
> > >
> > > ----- Original Message -----
> > > From: "Harald Pollak" <h.pollak@pke.at>
> > > To: <axis-dev@ws.apache.org>
> > > Sent: Monday, June 30, 2003 5:06 PM
> > > Subject: Axis / JNI once more
> > >
> > >
> > > > Hy everybody!
> > > >
> > > > I try to use JNI within a Axis-Service. I try since weeks to bring it
> to
> > > > work, but my result is every time the same:
> > > >
> > > > <soapenv:Envelope>
> > > >     <soapenv:Body>
> > > >         <soapenv:Fault>
> > > >             <faultcode>soapenv:Server.userException</faultcode>
> > > >
> > > > <faultstring>java.lang.reflect.InvocationTargetException</faultstring>
> > > >             <detail/>
> > > >         </soapenv:Fault>
> > > >     </soapenv:Body>
> > > > </soapenv:Envelope>
> > > >
> > > > my enviroment:
> > > > Linux: SuSE 8.2
> > > > Tomcat 5 ( 5.0.3 Alpha ) ( allso tried with Tomcat 4.1.24 )
> > > > Axis 1.1 ( final ) ( allso tried with 1.1rc2 )
> > > > Client: Mozzila 1.4
> > > >
> > > > Invocation:
> > > > I call the function getDate with 2 Parameters via:
> > > >
> > > >
> > >
> http://localhost:8080/axis/services/services?method=getDate&in0=10.146.3.42&
> > > in1=1800
> > > >
> > > > The Code:
> > > > -----------
> > > >
> > > > The Implementation:
> > > >
> > > > public class ServicesSoapBindingImpl implements SMS.JNIWS{
> > > >
> > > >     public java.lang.String getDate(java.lang.String in0, int in1)
> > > > throws java.rmi.RemoteException {
> > > >         String s = new String();
> > > >         System.err.println(LibPath);
> > > >
> > > >         try {
> > > >             System.err.println("init Class");
> > > >
> > > >          JNIDate jd = new JNIDate();
> > > >             System.err.println("call methode: ");
> > > >             s = jd.getDate(in0, in1);
> > > >             System.err.println("finnished: " + s);
> > > >         } catch (Exception ex) {
> > > >             System.err.println(ex.getStackTrace().toString());
> > > >          ex.printStackTrace();
> > > >       }
> > > >
> > > >         return s;
> > > >     }
> > > >
> > > >     public java.lang.String getVersion() throws
> java.rmi.RemoteException
> > > > {
> > > >         return "1.0";
> > > >     }
> > > >
> > > >     public java.lang.String getEnv() throws java.rmi.RemoteException {
> > > > //        return System.getProperty("java.library.path");
> > > >         return AxisProperties.getProperty("java.library.path");
> > > >     }
> > > >
> > > > }
> > > >
> > > > the Class-JNIDate:
> > > >
> > > > class JNIDate {
> > > >
> > > >     static { System.loadLibrary("JNIDate"); }
> > > >
> > > >     public native String getJNIDate(String Server, int Port );
> > > >
> > > >     public String getDate(String Server, int Port) {
> > > >         String s;
> > > >         try {
> > > >            System.err.println("call");
> > > >            s= getJNIDate(Server,Port);
> > > >             System.err.println(s);
> > > >             return s;
> > > >         } catch (Exception e) {
> > > >           System.err.println("Exeption!!!!");
> > > >               e.printStackTrace();
> > > >             return (String)(e.getMessage() + "\n :
> > > > "+e.getCause().toString());
> > > >         }
> > > >     }
> > > > }
> > > >
> > > >
> > > > the output on Tomcat-console:
> > > >     init class
> > > >     call methode
> > > >     call
> > > >
> > > > there is no  exception in logs or on console
> > > >
> > > >
> > > > when i call the getEnv - Methode:
> > > >     The path with my library-dir is shown.
> > > >
> > > > What i allso tried:
> > > >     To outcommend the Nativecall and return a simpel string from
> > > > JNIDate.getJNIDate -> works fine.
> > > >
> > > >     To write a servlet using the JNIDate.class and call it. -> works
> > > > fine!
> > > >
> > > > So my questions:
> > > >
> > > > 1.) has anybody allready written a Axis-Service using his own
> JNI-Class?
> > > > 2.) has anybody seen a misstake in the upper code ( maybe i'm
> > > > "codeblinde" - and it's a simple error, so I read over it many
> times )?
> > > > 3.) Has anyone a sample - I can try in my enviroment?
> > > >
> > > > Thanks
> > > > Harry
> > > >
> > >
> >
> 

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