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Groups > comp.lang.java.programmer > #18966
| Newsgroups | comp.lang.java.programmer |
|---|---|
| Date | 2012-09-28 00:30 -0700 |
| References | <6e10c54e-be59-4b4e-b228-4633082726b0@v6g2000prd.googlegroups.com> <Xns9E4FE1F4DF546karllopesyahoocom@69.16.185.247> |
| Message-ID | <4f9fb5c9-ae84-43df-a1f0-4b32044afc38@googlegroups.com> (permalink) |
| Subject | Re: java.lang.ClassFormatError: Truncated class file |
| From | Mittal <mpritmani@argusoft.com> |
Thanks. I had some problem in my tag file so it was giving this error. It got solved now.
On Thursday, December 16, 2010 11:42:44 AM UTC+5:30, Karl Lopes wrote:
> The problem is occuring in the load class method in JasperLoader. I
> suspect your jsp is not getting compiled: (method is below).
> Two things can be done here:
> 1. Put a breakpoint in JasperLoader in the above class and see what
> happens.
> 2. Try to precompile your JSPs and see which one fails. That should give
> you a start. (Ref: http://scriptlandia.blogspot.com/2006/04/how-to-pre-
> compile-jsp-pages-for.html)
> Karl.
>
>
> /*
> public Class loadClass(final String name, boolean resolve)
> 95 throws ClassNotFoundException {
> 96
> 97 Class clazz = null;
> 98
> 99 // (0) Check our previously loaded class cache
> 100 clazz = findLoadedClass(name);
> 101 if (clazz != null) {
> 102 if (resolve)
> 103 resolveClass(clazz);
> 104 return (clazz);
> 105 }
> 106
> 107 // (.5) Permission to access this class when using a
> SecurityManager
> 108 if (securityManager != null) {
> 109 int dot = name.lastIndexOf('.');
> 110 if (dot >= 0) {
> 111 try {
> 112 // Do not call the security manager since by
> default, we grant that package.
> 113 if
> (!"org.apache.jasper.runtime".equalsIgnoreCase(name.substring(0,dot))){
> 114 securityManager.checkPackageAccess
> (name.substring(0,dot));
> 115 }
> 116 } catch (SecurityException se) {
> 117 String error = "Security Violation, attempt
> to use " +
> 118 "Restricted Class: " + name;
> 119 se.printStackTrace();
> 120 throw new ClassNotFoundException(error);
> 121 }
> 122 }
> 123 }
> 124
> 125 if( !name.startsWith(Constants.JSP_PACKAGE_NAME + '.') )
> {
> 126 // Class is not in org.apache.jsp, therefore, have
> our
> 127 // parent load it
> 128 clazz = parent.loadClass(name);
> 129 if( resolve )
> 130 resolveClass(clazz);
> 131 return clazz;
> 132 }
> 133
> 134 return findClass(name);
> 135 }
>
> */
>
>
> laredotornado <laredotornado@zipmail.com> wrote in
> news:6e10c54e-be59-4b4e-b228-4633082726b0@v6g2000prd.googlegroups.com:
>
> > Hi, I'm using Java 1.6 with Tomcat 6.0.26. When we are visiting
> > certain JSPs, we are getting the error below. All the literature I
> > have found so far pertains to applets, so I wanted to float this out
> > to the group to see what advice you have about troubleshooting this
> > further. Thanks, - Dave
> >
> > java.lang.ClassFormatError: Truncated class file
> > at java.lang.ClassLoader.defineClass1(Native Method)
> > at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
> > at
> > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
> > 124)
> > at java.net.URLClassLoader.defineClass(URLClassLoader.java:
> > 260)
> > at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at
> > org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:
> > 134)
> > at
> > org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66)
> > at
> > org.apache.jasper.JspCompilationContext.load
> (JspCompilationContext.java
> > : 598)
> > at
> > org.apache.jasper.servlet.JspServletWrapper.getServlet
> (JspServletWrappe
> > r.java: 144)
> > at
> > org.apache.jasper.servlet.JspServletWrapper.service
> (JspServletWrapper.j
> > ava: 329)
> > at
> > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:
> > 320)
> > at
> > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:
> > 803)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
> (Applic
> > ationFilterChain.java: 290)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.doFilter
> (ApplicationFil
> > terChain.java: 206)
> > at
> > org.apache.catalina.core.ApplicationDispatcher.invoke
> (ApplicationDispat
> > cher.java: 654) at
> > org.apache.catalina.core.ApplicationDispatcher.processRequest
> (Applicati
> > onDispatcher.java: 445)
> > at
> > org.apache.catalina.core.ApplicationDispatcher.doForward
> (ApplicationDis
> > patcher.java: 379)
> > at
> > org.apache.catalina.core.ApplicationDispatcher.forward
> (ApplicationDispa
> > tcher.java: 292)
> > at
> > com.lvcva.servlet.generic.GenericHttpServlet.callView
> (GenericHttpServle
> > t.java: 610) at
> > com.lvcva.servlet.dine.DiningServlet.details(DiningServlet.java:272)
> > at sun.reflect.GeneratedMethodAccessor457.invoke(Unknown
> > Source) at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccesso
> > rImpl.java: 25)
> > at java.lang.reflect.Method.invoke(Method.java:597)
> > at
> > com.lvcva.servlet.generic.GenericHttpServlet.doGet
> (GenericHttpServlet.j
> > ava: 587)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:
> > 690)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:
> > 803)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
> (Applic
> > ationFilterChain.java: 290)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.doFilter
> (ApplicationFil
> > terChain.java: 206)
> > at
> > com.lvcva.filter.RecordPageFilter.doFilter(RecordPageFilter.java:30)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
> (Applic
> > ationFilterChain.java: 235)
> > at
> > org.apache.catalina.core.ApplicationFilterChain.doFilter
> (ApplicationFil
> > terChain.java: 206)
> > at
> > org.apache.catalina.core.StandardWrapperValve.invoke
> (StandardWrapperVal
> > ve.java: 230)
> > at
> > org.apache.catalina.core.StandardContextValve.invoke
> (StandardContextVal
> > ve.java: 175)
> > at
> > org.apache.catalina.core.StandardHostValve.invoke
> (StandardHostValve.jav
> > a: 128)
> > at
> > org.apache.catalina.valves.ErrorReportValve.invoke
> (ErrorReportValve.jav
> > a: 104)
> > at
> > org.apache.catalina.core.StandardEngineValve.invoke
> (StandardEngineValve
> > .java: 109)
> > at
> > org.apache.catalina.connector.CoyoteAdapter.service
> (CoyoteAdapter.java:
> > 261)
> > at
> > org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
> > at
> > org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
> > at
> > org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
> > at
> > org.apache.jk.common.ChannelSocket.processConnection
> (ChannelSocket.java
> > : 697)
> > at org.apache.jk.common.ChannelSocket
> > $SocketConnection.runIt(ChannelSocket.java:889)
> > at org.apache.tomcat.util.threads.ThreadPool
> > $ControlRunnable.run(ThreadPool.java:686)
> > at java.lang.Thread.run(Thread.java:619)
> >
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Re: java.lang.ClassFormatError: Truncated class file Mittal <mpritmani@argusoft.com> - 2012-09-28 00:30 -0700
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