java.lang.IllegalStateException是什么回事?我这几天运行程序的时候总是出现以下运行结果,java.lang.IllegalStateExceptionorg.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:423)org.apache.jsp.chklogon_js
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![java.lang.IllegalStateException是什么回事?我这几天运行程序的时候总是出现以下运行结果,java.lang.IllegalStateExceptionorg.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:423)org.apache.jsp.chklogon_js](/uploads/image/z/13971989-29-9.jpg?t=java.lang.IllegalStateException%E6%98%AF%E4%BB%80%E4%B9%88%E5%9B%9E%E4%BA%8B%3F%E6%88%91%E8%BF%99%E5%87%A0%E5%A4%A9%E8%BF%90%E8%A1%8C%E7%A8%8B%E5%BA%8F%E7%9A%84%E6%97%B6%E5%80%99%E6%80%BB%E6%98%AF%E5%87%BA%E7%8E%B0%E4%BB%A5%E4%B8%8B%E8%BF%90%E8%A1%8C%E7%BB%93%E6%9E%9C%2Cjava.lang.IllegalStateExceptionorg.apache.catalina.connector.ResponseFacade.sendRedirect%28ResponseFacade.java%3A423%29org.apache.jsp.chklogon_js)
java.lang.IllegalStateException是什么回事?我这几天运行程序的时候总是出现以下运行结果,java.lang.IllegalStateExceptionorg.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:423)org.apache.jsp.chklogon_js
java.lang.IllegalStateException是什么回事?
我这几天运行程序的时候总是出现以下运行结果,
java.lang.IllegalStateException
org.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:423)
org.apache.jsp.chklogon_jsp._jspService(org.apache.jsp.chklogon_jsp:64)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
java.lang.IllegalStateException是什么回事?我这几天运行程序的时候总是出现以下运行结果,java.lang.IllegalStateExceptionorg.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:423)org.apache.jsp.chklogon_js
jdk5.0文档中很清楚地介绍了出现IllegalStateException异常的可能情况:
1)同一个页面中再次调用response.sendRedirect()方法.
2)提交的URL错误,即不是个有效的URL.
在response.sendRedirect()方法后加return语句即可,如下:
response.sendRedirect("login.jsp");
return;