ok, now i m sure where is the problem, It happens when this line happens
// Call the static initializer for Xerces.
/*
XMLPlatformUtils::Initialize();
and launch this exception:
Exception UnsatisfiedLinkError al inicializar el servlet Controlador:
/home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/LibXalanC_Engine.so:
/home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/LibXalanC_Engine.so:
undefined symbol: _ZN11xercesc_2_76XMLUni22fgXercescDefaultLocaleE
its the firts exception that its launched!
im using xerces-c++ 2.7.0 and xalan-c 1.10 on ubuntu 2.6.20 with jdk 1.6.04
pls help!!
logancillo wrote:
>
> hi everybody,
>
> can anybody explain me what is the significant of this error?:
>
> Exception UnsatisfiedLinkError al inicializar el servlet Controlador:
> /home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/libXalanC_Engine.so:
> /home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/libXalanC_Engine.so:
>
> undefined symbol: _ZN11xalanc_1_1014XalanDOMString7s_emptyE
>
> it happens when i try to load the .so and google doesnt know anything.
>
> the java class with native method:
>
> package es.yell.frontlite.mvc.View;
>
> //import java.io.ByteArrayOutputStream;
>
> /**
> *
> * @author alonso
> */
> public class RenderizarVistaXalanC {
>
>
> //public native ByteArrayOutputStream renderView(String xml,
> javax.xml.transform.Transformer transletXSL);
> public native void renderView(String xml, String xsl);
> }
>
> the header file generated via javah
>
> /* DO NOT EDIT THIS FILE - it is machine generated */
> #include <jni.h>
> /* Header for class es_yell_frontlite_mvc_View_RenderizarVistaXalanC */
>
> #ifndef _Included_es_yell_frontlite_mvc_View_RenderizarVistaXalanC
> #define _Included_es_yell_frontlite_mvc_View_RenderizarVistaXalanC
> #ifdef __cplusplus
> extern "C" {
> #endif
> /*
> * Class: es_yell_frontlite_mvc_View_RenderizarVistaXalanC
> * Method: renderView
> * Signature: (Ljava/lang/String;Ljava/lang/String;)V
> */
> JNIEXPORT void JNICALL
> Java_es_yell_frontlite_mvc_View_RenderizarVistaXalanC_renderView
> (JNIEnv *env, jobject obj, jstring xml, jstring xsl);
>
> #ifdef __cplusplus
> }
> #endif
> #endif
>
> the implementation c file:
>
> #include "../../es_yell_frontlite_mvc_View_RenderizarVistaXalanC.h"
> #include <xalanc/Include/PlatformDefinitions.hpp>
> #if defined(XALAN_CLASSIC_IOSTREAMS)
> #include <iostream.h>
> #include <strstream.h>
> #include <fstream.h>
> #else
> #include <iostream>
> #include <strstream>
> #include <fstream>
> #endif
> #include <xercesc/util/PlatformUtils.hpp>
> #include <xalanc/XalanTransformer/XalanTransformer.hpp>
>
>
> JNIEXPORT void JNICALL
> Java_es_yell_frontlite_mvc_View_RenderizarVistaXalanC_renderView
> (JNIEnv *env, jobject obj, jstring xml, jstring xsl) {
>
> jboolean blnIsCopy;
>
> XALAN_USING_STD(cerr)
> XALAN_USING_STD(cout)
> XALAN_USING_STD(endl)
> XALAN_USING_STD(istrstream)
> XALAN_USING_STD(ofstream)
> XALAN_USING_STD(ostrstream)
>
> #if defined(XALAN_STRICT_ANSI_HEADERS)
> using std::strlen;
> #endif
>
> XALAN_USING_XERCES(XMLPlatformUtils)
>
> XALAN_USING_XALAN(XalanTransformer)
>
> // Call the static initializer for Xerces.
> XMLPlatformUtils::Initialize();
>
> // Initialize Xalan.
> XalanTransformer::initialize();
>
> // Create a XalanTransformer.
> XalanTransformer theXalanTransformer;
>
> const char* const theInputXmlDocument
> =env->GetStringUTFChars(xml,&blnIsCopy);
>
> printf("xml: %s\n",theInputXmlDocument);
>
> const char* const theInputXslDocument =
> env->GetStringUTFChars(xsl,&blnIsCopy);
>
> printf("xml: %s\n",theInputXslDocument);
>
> // Our input streams...
> istrstream theXMLStream(theInputXmlDocument,
> strlen(theInputXmlDocument));
> istrstream theXSLStream(theInputXslDocument,
> strlen(theInputXslDocument));
>
> XALAN_USING_XALAN(XalanDOMString)
> XALAN_USING_XALAN(XSLTInputSource)
>
> XSLTInputSource inputSource(&theXSLStream);
>
> inputSource.setSystemId(XalanDOMString("foo").c_str());
>
> // Do the transform.
> int theResult = theXalanTransformer.transform(&theXMLStream,
> inputSource, cout);
>
> if(theResult != 0)
> {
> cerr << "StreamTransform Error: \n" <<
> theXalanTransformer.getLastError()
> << endl
> << endl;
> }
>
> // Terminate Xalan...
> XalanTransformer::terminate();
>
> // Terminate Xerces...
> XMLPlatformUtils::Terminate();
>
> // Clean up the ICU, if it's integrated...
> XalanTransformer::ICUCleanUp();
> }
>
> i already tried to load the .so setting LD_LIBRARY_PATH like this:
>
> [EMAIL PROTECTED]:~$ export
> LD_LIBRARY_PATH=/home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/
> [EMAIL PROTECTED]:~$ echo $LD_LIBRARY_PATH
> /home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/
>
> where /home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/ is a
> directory which contains the .so
>
> [EMAIL PROTECTED]:~$ cd $LD_LIBRARY_PATH
> [EMAIL PROTECTED]:~/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86$ ls
> libXalanC_Engine.so
>
> this is how i try to load the .so file giving me UnsatisfiedLinkError
> System.load("/home/alonso/curro/XalanC_Engine/dist/Debug/GNU-Linux-x86/libXalanC_Engine.so");
>
> if i try to load the .so like this:
> Exception UnsatisfiedLinkError al inicializar el servlet Controlador:
> Expecting an absolute path of the library: libXalanC_Engine
> this is the output when i did System.out.println("java.library.path:" +
> System.getProperty("java.library.path"));
>
> java.library.path:/usr/java/jdk1.6.0_04/jre/lib/i386/client:/usr/java/jdk1.6.0_04/jre/lib/i386:/usr/java/jdk1.6.0_04/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
>
>
> i think this is the problem but i m not sure, pls help me!
>
>
> Alonso
>
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