After that I updated the my java version 1.6.0_13 to version 1.6.0_14 using apt-get at ubuntu, my web application stated displaying the follow error at the browser: | HTTP Status 500 - | | type Exception report | | message | | description The server encountered an internal error () that prevented it from fulfilling this request. | | exception | | org.apache.jasper.JasperException: Unable to compile class for JSP | | Generated servlet error: | /opt/programs/servers/jboss-3.2.8.SP1/server/default/work/jboss.web/localhost/xxx/org/apache/jsp/principal_jsp.java:142: handlePageException(java.lang.Exception) in javax.servlet.jsp.PageContext cannot be applied to (java.lang.Throwable) | if (_jspx_page_context != null) _jspx_page_context.handlePageException(t); | ^ | 1 error | | | | org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84) | org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332) | org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:437) | org.apache.jasper.compiler.Compiler.compile(Compiler.java:497) | org.apache.jasper.compiler.Compiler.compile(Compiler.java:476) | org.apache.jasper.compiler.Compiler.compile(Compiler.java:464) | org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511) | org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295) | org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) | org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) | javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs. | Apache Tomcat/5.0.30 | Observations: 1) Jboss 3.2.8 2) I need to compile to jre1.4. So, to compile to jre1.4, using the compiler java 1.6, I configured at the build.xml so: | <target name="compile" depends="init,parser"> | <javac source="1.4" srcdir="${src.dir}" destdir="${classes.dir}" debug="on" optimize="off" deprecation="off" encoding="ISO-8859-1"> | <classpath refid="class.path" /> | </javac> | </target> | Before the update this error didn't occur! And I do nothing change at application! Any informations about this error? now, thanks! View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4244439#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...