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Posted to users@tomcat.apache.org by Lijin <li...@gmail.com> on 2006/11/16 12:25:41 UTC
org.apache.jasper.JasperException: the useBean class attribute List
is invalid.
Please help me in the following problem occuring in my project.
One of our project is running currectly in the Tomcat 4 version with one old
version of Jasper report. Now we our requirment is that, we have to trasfer
it to new Tomcat 5 environment. But when we transfer this into the new
Tomcat version, it pops up the following Jasper exception.
type Exception report
message
description The server encountered an internal error () that prevented it
from fulfilling this request.
exception
org.apache.jasper.JasperException: /pendingtranscriptions.jsp(6,0) The value
for the useBean class attribute List is invalid.
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146)
org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1223)
org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1116)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Generator.generate(Generator.java:3268)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:189)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
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:296)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.winiris.Page.forwardRequest(Page.java:17)
com.winiris.page.PendingTranscriptionsPage.forward(PendingTranscriptionsPage.java:42)
com.winiris.page.PendingTranscriptionsPage.forward(PendingTranscriptionsPage.java:24)
com.winiris.command.PendingTranscriptionsPageCommand.execute(PendingTranscriptionsPageCommand.java:25)
com.winiris.Servlet.service(Servlet.java:114)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
We tried with the new Jasper versions in the new environment of Tomcat. But
the same error occured.
Please help me in this matter
Thanks in Advance...
Lijin
--
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Re: org.apache.jasper.JasperException: the useBean class attribute
List is invalid.
Posted by David Smith <dn...@cornell.edu>.
General diagnostics:
1. The bean class has to be in a package
2. The bean has to be declared public
3. The bean has to have a default, public, no-arguement constructor.
--David
Lijin wrote:
>Please help me in the following problem occuring in my project.
>One of our project is running currectly in the Tomcat 4 version with one old
>version of Jasper report. Now we our requirment is that, we have to trasfer
>it to new Tomcat 5 environment. But when we transfer this into the new
>Tomcat version, it pops up the following Jasper exception.
>
>type Exception report
>
>message
>
>description The server encountered an internal error () that prevented it
>from fulfilling this request.
>
>exception
>
>org.apache.jasper.JasperException: /pendingtranscriptions.jsp(6,0) The value
>for the useBean class attribute List is invalid.
>
>org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
>
>org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
>
>org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146)
>
>org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1223)
> org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1116)
> org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
> org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
> org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
> org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
> org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
> org.apache.jasper.compiler.Generator.generate(Generator.java:3268)
> org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:189)
> org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
> 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:296)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> com.winiris.Page.forwardRequest(Page.java:17)
>
>com.winiris.page.PendingTranscriptionsPage.forward(PendingTranscriptionsPage.java:42)
>
>com.winiris.page.PendingTranscriptionsPage.forward(PendingTranscriptionsPage.java:24)
>
>com.winiris.command.PendingTranscriptionsPageCommand.execute(PendingTranscriptionsPageCommand.java:25)
> com.winiris.Servlet.service(Servlet.java:114)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>
>We tried with the new Jasper versions in the new environment of Tomcat. But
>the same error occured.
>Please help me in this matter
>
>Thanks in Advance...
>
>Lijin
>
>
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