Bonjour,

Voilà j'ai créé un mini web dynamic project, où j'ai une page JSP qui est sensé afficher un tree avec des cases à cocher. J'ai intégré JSF RI 1.2 et les librairiess tomahak et je déploie l'application sous JBoss 5; le tout sous Eclipse.

Voici les librairies que j'ai dans le build path et le WEBINF/lib :
- commons-beanutils-1.7.0
- commons-codec-1.3
- commons-collections-3.2
- commons-digester-1.8
- commons-discovery-0.4
- commons-fileupload-1.2.1
- commons-lang-2.3
- commons-logging-1.1.1
- commons-validator-1.3.1
- myfaces-extensions-1.0.9
- oro-2.0.8
- tomahawk12-1.1.9
Sans oublier Sun JSF RI 1.2

web.xml:
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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>Essai2</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.jsf</url-pattern>
  </servlet-mapping>
  <filter>
	<filter-name>MyFacesExtensionsFilter</filter-name>
	<filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
    <init-param>
        <param-name>uploadMaxFileSize</param-name>
        <param-value>20m</param-value>
    </init-param>
</filter>
 
<!-- extension mapping for adding <script/>, <link/>, and other resource tags to JSF-pages  -->
<filter-mapping>
    <filter-name>MyFacesExtensionsFilter</filter-name>
    <!-- servlet-name must match the name of your javax.faces.webapp.FacesServlet entry -->
    <servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
 
 
<!-- extension mapping for adding <script/>, <link/>, and other resource tags to JSF-pages  -->
<filter-mapping>
    <filter-name>MyFacesExtensionsFilter</filter-name>
    <url-pattern>*.jsf</url-pattern>
</filter-mapping>
 
<!-- ***************************en plus************************************************************** -->
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
 
<context-param>
<param-name>org.apache.myfaces.ALLOW_JAVASCRIPT</param-name>
<param-value>true</param-value>
</context-param>
 
<context-param>
<param-name>org.apache.myfaces.PRETTY_HTML</param-name>
<param-value>true</param-value>
</context-param>
 
<context-param>
<param-name>org.apache.myfaces.DETECT_JAVASCRIPT</param-name>
<param-value>false</param-value>
</context-param>
 
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
 
<context-param>
<param-name>org.apache.myfaces.AUTO_SCROLL</param-name>
<param-value>true</param-value>
</context-param>
 
<context-param>
<param-name>javax.faces.application.CONFIG_FILES</param-name>
<param-value>/WEB-INF/faces-config.xml</param-value>
</context-param>
 
 
</web-app>
faces-config.xml:
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC "-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"
                              "http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
<faces-config>
 <managed-bean>
  <managed-bean-name>eBAdmin</managed-bean-name>
  <managed-bean-class>com.marinesoft.menu.EBAdmin</managed-bean-class>
  <managed-bean-scope>session</managed-bean-scope>
 </managed-bean>
</faces-config>
ma page JSP:
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
 
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://myfaces.apache.org/tomahawk" prefix="t" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Administration</title>
 
</head>
<body>
<f:view>
 
 
	<h:form>
<t:tree  id="tree" value="#{eBAdmin.arbreimpl}" var="node" >
    		<f:facet name="root">
        		<t:htmlTag value="div">
            		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
                                         onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
                		<t:treeCheckbox for="id"
                                       itemValue="#{node.identifier}"
                                       itemLabel="#{node.description}"/>
            		</t:selectManyCheckbox>
       			</t:htmlTag>
    		</f:facet>
		</t:tree>
 
 
	</h:form>
 
</f:view>
</body>
</html>
Mon problème est que lorsque je fais appel à la JSP j'ai les erreurs suivantes:
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08:37:30,889 INFO  [TomcatDeployment] undeploy, ctxPath=/Essai2
08:37:35,530 INFO  [TomcatDeployment] deploy, ctxPath=/Essai2
08:37:50,889 ERROR [[jsp]] "Servlet.service()" pour la servlet jsp a lanc� une exception
org.apache.jasper.JasperException: Impossible de compiler la classe pour la JSP: 
 
Une erreur s'est produite � la ligne: 19 dans le fichier jsp: /Administration1.jsp
The method setValue(String) in the type TreeTag is not applicable for the arguments (JspValueExpression)
16: 	
17: 	
18: 	<h:form>
19: <t:tree  id="tree" value="#{eBAdmin.arbreimpl}" var="node" >
20:     		<f:facet name="root">
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
 
 
Une erreur s'est produite � la ligne: 19 dans le fichier jsp: /Administration1.jsp
The method setVar(String) in the type TreeTag is not applicable for the arguments (JspValueExpression)
16: 	
17: 	
18: 	<h:form>
19: <t:tree  id="tree" value="#{eBAdmin.arbreimpl}" var="node" >
20:     		<f:facet name="root">
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setFor(String) in the type TreeCheckboxTag is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setItemValue(String) in the type SelectItemTagBase is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setItemLabel(String) in the type SelectItemTagBase is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Stacktrace:
	at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
	at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
	at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:335)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:313)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:300)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:312)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
	at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
	at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:285)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:341)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
08:37:50,889 ERROR [lifecycle] JSF1054: (Phase ID: RENDER_RESPONSE 6, View ID: /Administration1.jsp) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@3d97af]
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.RENDER_CLEAR_JAVASCRIPT_FOR_BUTTON' found, using default value false
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.SAVE_FORM_SUBMIT_LINK_IE' found, using default value false
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.READONLY_AS_DISABLED_FOR_SELECTS' found, using default value true
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.RENDER_VIEWSTATE_ID' found, using default value true
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.STRICT_XHTML_LINKS' found, using default value true
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.CONFIG_REFRESH_PERIOD' found, using default value 2
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.VIEWSTATE_JAVASCRIPT' found, using default value false
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.ADD_RESOURCE_CLASS' found, using default value org.apache.myfaces.renderkit.html.util.DefaultAddResource
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.RESOURCE_VIRTUAL_PATH' found, using default value /faces/myFacesExtensionResource
08:37:50,905 INFO  [MyfacesConfig] No context init parameter 'org.apache.myfaces.CHECK_EXTENSIONS_FILTER' found, using default value true
08:37:50,905 INFO  [MyfacesConfig] Starting up Tomahawk on the RI-JSF-Implementation.
08:37:50,936 ERROR [[Faces Servlet]] "Servlet.service()" pour la servlet Faces Servlet a g�n�r� une exception
org.apache.jasper.JasperException: Impossible de compiler la classe pour la JSP: 
 
Une erreur s'est produite � la ligne: 19 dans le fichier jsp: /Administration1.jsp
The method setValue(String) in the type TreeTag is not applicable for the arguments (JspValueExpression)
16: 	
17: 	
18: 	<h:form>
19: <t:tree  id="tree" value="#{eBAdmin.arbreimpl}" var="node" >
20:     		<f:facet name="root">
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
 
 
Une erreur s'est produite � la ligne: 19 dans le fichier jsp: /Administration1.jsp
The method setVar(String) in the type TreeTag is not applicable for the arguments (JspValueExpression)
16: 	
17: 	
18: 	<h:form>
19: <t:tree  id="tree" value="#{eBAdmin.arbreimpl}" var="node" >
20:     		<f:facet name="root">
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setFor(String) in the type TreeCheckboxTag is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setItemValue(String) in the type SelectItemTagBase is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Une erreur s'est produite � la ligne: 24 dans le fichier jsp: /Administration1.jsp
The method setItemLabel(String) in the type SelectItemTagBase is not applicable for the arguments (JspValueExpression)
21:         		<t:htmlTag value="div">
22:             		<t:selectManyCheckbox id="id" layout="spread" value="#{node.description}"
23:                                          onchange="toggleTreeCheckbox('myForm:idArray', this.id);">
24:                 		<t:treeCheckbox for="id"
25:                                        itemValue="#{node.identifier}"
26:                                        itemLabel="#{node.description}"/>
27:             		</t:selectManyCheckbox>
 
 
Stacktrace:
	at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
	at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
	at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:335)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:313)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:300)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:312)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
	at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:410)
	at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:468)
	at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:140)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:285)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:341)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
Je sais pas si c'est dû à un problème de configuration ou de compatibilité des jars, j'ai suremet essayé de chercher partout la solution je ne trouve pas.
Svp comment arranger ça, merci.