LanguageBean 这个bean至少应该位于WEB-INF/classes下An error occurred at line: 17 in the jsp file: /beans.jsp
Generated servlet error:
LanguageBean cannot be resolved or is not a type
Generated servlet error:
LanguageBean cannot be resolved or is not a type
解决方案 »
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Generated servlet error:
LanguageBean cannot be resolved or is not a type------------------------------------------------------------
已经位于WEB-INF/classes下
------------------------
能不能详细一点
public class LanguageBean{ private String name;
private String language;
public LanguageBean() {}
public void setName(String name){
this.name = name;
}
public String getName(){
return name;
}
public void setLanguage(String language){
this.language = language;
}
public String getLanguage(){
return language;
}
public String getLanguageComments(){
if(language.equals("Java")){
return "The king of OO language.";
} else if(language.equals("C++")){
return "Rather too complex for some folks'liking.";
} else if(language.equals("Perl")){
return "OK if you like incomprehensible code.";
} else {
return "Sorry,I've never heard of" + language + ".";
}
}
}
<jsp:setProperty name="languageBean" property="*" />
</jsp:useBean>
type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: /beans.jsp(1,1) The value for the useBean class attribute test.LanguageBean 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)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.4 logs.