Servlet failed with Exception java.lang.LinkageError: Class javax/servlet/ServletConfig

          Hi
          I registered a web app with Weblogic 5.1 in the weblogic.properties file. I try
          to run the web app from my browser typing http://localhost:7001/xxx(Webapp name)
          and a jsp page. Following is the error I get. It would be helpful if some one
          could point me to a fix for this problem
          Tue May 01 13:56:41 CDT 2001:<I> <ServletContext-omxclient> Generated java file:
          D:\weblogic\myserver\omxclient\_tmp_war\jsp_servlet\_omx\_login.java
          Tue May 01 13:56:43 CDT 2001:<E> <ServletContext-omxclient> Servlet failed with
          Exception
          java.lang.LinkageError: Class javax/servlet/ServletConfig violates loader constr
          aints
          at jsp_servlet._omx._login._jspService(_login.java:59)
          at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
          at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          pl.java:105)
          at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          pl.java:123)
          at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          textImpl.java:742)
          at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          textImpl.java:686)
          at weblogic.servlet.internal.ServletContextManager.invokeServlet(Servlet
          ContextManager.java:247)
          at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.jav
          a:361)
          at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:261)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          

          Sorry, I didn't look very closely - the exception is for
          javax.servlet.ServletConfig - should be in weblogicaux.jar.
          Is there anything wrong with it? What service pack are you
          using? Could be a problem with weblogic.policy.
          mike
          >>java.lang.LinkageError: Class javax/servlet/ServletConfig
          "KC" <[email protected]> wrote:
          >
          >Hi Mike
          >The login.jsp page just contains a javascript function and two text boxes
          >in it.
          >Will try making changing it. If that is not the issue could you let me
          >know of
          >any other issues.
          >
          >"mreiche" <[email protected]> wrote:
          >>
          >>I would guess that login.jsp is a very large JSP and that
          >>the generated service method is too large for the classloader's
          >>liking. Try making it smaller.
          >>
          >>Mike
          >>
          >>
          >>"KC" <[email protected]> wrote:
          >>>
          >>>Hi
          >>>I registered a web app with Weblogic 5.1 in the weblogic.properties
          >>file.
          >>>I try
          >>>to run the web app from my browser typing http://localhost:7001/xxx(Webapp
          >>>name)
          >>>and a jsp page. Following is the error I get. It would be helpful if
          >>>some one
          >>>could point me to a fix for this problem
          >>>
          >>>Tue May 01 13:56:41 CDT 2001:<I> <ServletContext-omxclient> Generated
          >>>java file:
          >>> D:\weblogic\myserver\omxclient\_tmp_war\jsp_servlet\_omx\_login.java
          >>>Tue May 01 13:56:43 CDT 2001:<E> <ServletContext-omxclient> Servlet
          >>failed
          >>>with
          >>>Exception
          >>>java.lang.LinkageError: Class javax/servlet/ServletConfig violates
          >loader
          >>>constr
          >>>aints
          >>> at jsp_servlet._omx._login._jspService(_login.java:59)
          >>> at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
          >>> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          >>>pl.java:105)
          >>> at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
          >>>pl.java:123)
          >>> at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          >>>textImpl.java:742)
          >>> at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletCon
          >>>textImpl.java:686)
          >>> at weblogic.servlet.internal.ServletContextManager.invokeServlet(Servlet
          >>>ContextManager.java:247)
          >>> at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.jav
          >>>a:361)
          >>> at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:261)
          >>>
          >>> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          >>>
          >>>
          >>
          >
          

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              "Mark Spotswood" <[email protected]> wrote in message
              news:[email protected]...
              > The error means that a class which
              com/pmi/enterprise/securityauthority/Roles
              > depends on has changed in a way that is incompatible with the current
              version
              > of Roles. This could happen if the JDK being used is different than the
              JDK
              > that Roles was originally compiled against, or if you have rebuilt some
              class
              > that Roles uses, but have not also rebuilt Roles.
              > --
              > mark
              >
              > Rishi Prakash wrote:
              >
              > > Hi,
              > >
              > > I am having problem with on of my ejb having some
              > > classes sharing with my servlet. The following is the
              > > exception which I get. I guess this is due to different
              > > classloader trying to load the sharing class. I have
              > > my app dur struct. in exploded format under WEB-INF\classes
              > > My ejbs do not contain the common classes. WEB-INF\classes
              > > is in weblogic classpath.
              > >
              > > <Servlet failed with Exception
              > > java.lang.LinkageError: Class com/pmi/enterprise/securityauthority/Roles
              > > violates loader constraints
              > > at java.lang.ClassLoader.defineClass0(Native Method)
              > > at java.lang.ClassLoader.defineClass0(Compiled Code)
              > > at java.lang.ClassLoader.defineClass(Compiled Code)
              > > at java.lang.ClassLoader.defineClass(Compiled Code)
              > > at
              > > weblogic.utils.classloaders.GenericClassLoader.findLocalClass(Compiled
              Code)
              > > at
              > > weblogic.utils.classloaders.GenericClassLoader.reallyLoadClass(Compiled
              > > Code)
              > > at
              > >
              weblogic.utils.classloaders.RecursiveReloadOnModifyClassLoader$Slave.loadCla
              > > ss(Compiled Code)
              > > at
              weblogic.utils.classloaders.GenericClassLoader.loadClass(Compiled
              > > Code)
              > > at java.lang.ClassLoader.loadClassInternal(Compiled Code)
              > > at
              > > com.pmi.webedi.servlets.RequestServlet.doPost(RequestServlet.java:215)
              > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:772)
              > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
              > > at
              > >
              weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java
              > > :105)
              > > at
              > >
              weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
              > > l.java:742)
              > > at
              > >
              weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImp
              > > l.java:686)
              > > at
              > >
              weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletContext
              > > Manager.java:247)
              > > at
              > >
              weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:361)
              > > at
              > > weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:261)
              > > at weblogic.kernel.ExecuteThread.run(Compiled Code)
              > >
              > > I donot have anything under WEB-INF\lib. If I include the EJB Jars then
              I
              > > get ClassCastException.
              > > Can anyone help me with this. This is working application on Win2000 and
              I
              > > am moving to sun
              > > and restructuring accor. to servlet spec2.2.
              > >
              > > Thanks in advance,
              > > - Rishi Prakash
              >
              

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