APliszka-Public wrote:
Google for "compilerSourceVM", and you should find examples of
enabling 1.5.
Andrew Pliszka
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Hi all, thanks for the fast replies.
I googled "compilerSourceVM" and came across this thread on the Java
forums:
http://forum.java.sun.com/thread.jspa?threadID=579806&messageID=2928513
I followed the instructions there. I removed jasper-compiler-jdt.jar
from my $CATALINA_HOME/common/lib directory. Then, I noticed my Ant
version was 1.5.4, so I downloaded Ant 1.7.0 instead, as 1.5.4 is not
compatible with JDK1.5. Next, I added ant.jar to the
$CATALINA_HOME/common/lib directory. Then, I edited my web.xml file in
the $CATALINA_HOME/conf directory according to the thread on the Java
forums and the Jasper how-to. Finally, I restarted Tomcat.
I am still getting a problem however, and I believe this deals with ant.
When I try to compile code -- ANY code from ANY JDK -- even something like:
<%
String s;
%>
I get this error:
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
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:565)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
*root cause*
java.lang.NullPointerException
org.apache.jasper.compiler.AntCompiler.generateClass(AntCompiler.java:159)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
I haven't removed the older version of Ant (Ant 1.5.4). Could this be
causing the problem? Or is there something else I am missing?
Also, I accidentally clicked refresh on my browser after getting this
error, and the page loaded. I hit refresh a few more times and it
loaded. Then, it gave me the error again, and repeated. I doubt it's
pertinent, but who knows.
Thanks,
Dan
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