org.apache.jasper.JasperException: /index.jsp(1,1) The value for the useBean class attribute com.b5 is invalid. org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407) org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:148) org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1272) org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1178) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417) org.apache.jasper.compiler.Node$Root.accept(Node.java:495) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) org.apache.jasper.compiler.Generator.generate(Generator.java:3426) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:216) org.apache.jasper.compiler.Compiler.compile(Compiler.java:332) org.apache.jasper.compiler.Compiler.compile(Compiler.java:312) org.apache.jasper.compiler.Compiler.compile(Compiler.java:299) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) javax.servlet.http.HttpServlet.service(HttpServlet.java:717)任何人都可以解釋這個問題的原因和解決方案嗎？
3 回答
慕村9548890
TA貢獻(xiàn)1884條經(jīng)驗 獲得超4個贊
而不是
<jsp:useBean id="b5" class="com.b5" />
使用 也改變后重啟tomcat服務(wù)器
<jsp:useBean id='b5'>
<jsp:attribute name="class" trim="true">com.b5</jsp:attribute>
</jsp:useBean>
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