OpenSAML user discussion

"removed all othe xalan versions from build path and kept only the 
xalan-2.6.0.jar" 
 and now I am getting the below error
 =================================
 type Exception report

message 

description The server encountered an internal error () that prevented it 
from fulfilling this request.

exception 

org.apache.jasper.JasperException: Exception in JSP: /service_provider.jsp:62

59:     Document inCommonMDDoc;
60:     
61:     try{            
62:     DefaultBootstrap.bootstrap();                       
63:     
64:     // Decodage URL encoding with Base64
65:     SAMLResponseStr = Base64Coder.decodeString(SAMLResponseB64Str);


Stacktrace:
        
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:451)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:355)
        
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)


root cause 

javax.servlet.ServletException: 
org.apache.xpath.compiler.FunctionTable.installFunction(Ljava/lang/String;Lorg/apache/xpath/Expression;)I
        
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:841)
        
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:774)
        
org.apache.jsp.service_005fprovider_jsp._jspService(service_005fprovider_jsp.java:178)
        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
        
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)


root cause 

java.lang.NoSuchMethodError: 
org.apache.xpath.compiler.FunctionTable.installFunction(Ljava/lang/String;Lorg/apache/xpath/Expression;)I
        org.apache.xml.security.Init.init(Init.java:215)
        
org.opensaml.DefaultBootstrap.initializeXMLSecurity(DefaultBootstrap.java:97)
        org.opensaml.DefaultBootstrap.bootstrap(DefaultBootstrap.java:71)
        
org.apache.jsp.service_005fprovider_jsp._jspService(service_005fprovider_jsp.java:121)
        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
        
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)


note The full stack trace of the root cause is available in the Apache 
Tomcat/5.5.28 logs.