David Smith skrev:
Usually you'd know it if it was. By default it isn't and has to be
explicitly turned on. See
http://tomcat.apache.org/tomcat-5.5-doc/security-manager-howto.html
for more information.
Here's a quick and dirty test -- insert a scriptlet in your jsp code
something like:
<%
internet.database.SimpleUseOfConnectionPool myBean = new
internet.database.SimpleUseOfConnectionPool() ;
%>
If that works, then I would say jasper is at fault somehow. If not,
take a look at the generated exception for the real cause of your
problem.
--David
Lars Nielsen Lind wrote:
David Smith skrev:
This may be something for a bugzilla report, but I looked at the
source of org.apache.jasper.compiler.Generator. The real exception
generated is eaten in favor of the very unhelpful message you received.
The possible original exceptions may have been one of:
java.lang.ClassNotFoundException - the class is not in
WEB-INF/classes/internet/database or a jar in WEB-INF/lib probably
not your issue since it works from jsps located in the webapp's root
directory.
java.lang.NoSuchMethodException - if no default constructor was
found, I think you've already said one was present.
java.lang.SecurityException - if the security manager is active and
denying access. Hmmm..... is tomcat running under a security manager?
--David
Mark Thomas wrote:
Lars Nielsen Lind wrote:
Here is the error-report shown in the browser:
The stack trace suggests the class cannot be instantiated. Hmm. Odd.
Can you create a simple test case that reproduces this? You won't be
able to post a war to the list so feel free to send it to me directly.
Mark
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How do I check if Tomcat is running under a security manager?
Lars Nielsen Lind
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Ok I have tried to do as you said
(......../webapps/application1/kontakt/kontakt.jsp):
<%@ page language="java" contentType="text/html;charset=ISO-8859-1"
pageEncoding="ISO-8859-1" import="java.sql.*, java.io.*, java.util.*,
internet.database.*, internet.log.*" %>
<%
internet.database.SimpleUseOfConnectionPool myBean = new
internet.database.SimpleUseOfConnectionPool() ;
%>
And the result is:
*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
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
*root cause*
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:303)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
*note* _The full stack trace of the root cause is available in the
Apache Tomcat/5.5.17 logs._
And tomcat logs:
2006-08-08 22:01:52 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
An error occurred at line: 5 in the jsp file: /kontakt.jsp
Generated servlet error:
internet.database.SimpleUseOfConnectionPool cannot be resolved to a type
at
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
at
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
at
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
at
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:303)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
at
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Lars Nielsen Lind
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