Hi,
I'm traying to use a Tag Library, but when I call the jsp thi error appears.
Someone knows what this exception means? (Unable to compile class for JSP)
I forgot something?
Error: 500
Internal Servlet Error:
org.apache.jasper.JasperException: Unable to compile class for JSP
at org.apache.jasper.runtime.JspLoader.loadJSP(JspLoader.java:232)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.loadIfNecessary(JspSe
rvlet.java:137)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:148)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:247)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:352)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
at
org.apache.tomcat.core.ServiceInvocationHandler.method(ServletWrapper.java:6
26)
at
org.apache.tomcat.core.ServletWrapper.handleInvocation(ServletWrapper.java:5
34)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:378)
at org.apache.tomcat.core.Context.handleRequest(Context.java:644)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:440)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:144)
at
org.apache.tomcat.service.TcpConnectionThread.run(TcpEndpoint.java:304)
at java.lang.Thread.run(Thread.java:492)
Root cause:
java.lang.NullPointerException
at java.text.MessageFormat.format(MessageFormat.java:661)
at java.text.MessageFormat.format(MessageFormat.java:453)
at java.text.Format.format(Format.java:115)
at org.apache.jasper.Constants.getString(Constants.java:213)
at
org.apache.jasper.compiler.JspParseEventListener.handleDirective(JspParseEve
ntListener.java:655)
at
org.apache.jasper.compiler.DelegatingListener.handleDirective(DelegatingList
ener.java:110)
at
org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:188)
at org.apache.jasper.compiler.Parser.parse(Parser.java:984)
at org.apache.jasper.compiler.Parser.parse(Parser.java:959)
at org.apache.jasper.compiler.Parser.parse(Parser.java:955)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:140)
at org.apache.jasper.runtime.JspLoader.loadJSP(JspLoader.java:226)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.loadIfNecessary(JspSe
rvlet.java:137)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:148)
at
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:247)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:352)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
at
org.apache.tomcat.core.ServiceInvocationHandler.method(ServletWrapper.java:6
26)
at
org.apache.tomcat.core.ServletWrapper.handleInvocation(ServletWrapper.java:5
34)
at
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:378)
at org.apache.tomcat.core.Context.handleRequest(Context.java:644)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:440)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:144)
at
org.apache.tomcat.service.TcpConnectionThread.run(TcpEndpoint.java:304)
at java.lang.Thread.run(Thread.java:492)
I'm using Tomcat 3.0 under WinNT 4 (sp6) with ibm jdk1.1.8
TIA,
Carlos
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