java的lang包，記錄報錯:java.lang.NullPointerException org.apache.jsp.test_jsp._jspInit(

2023-11-30 阅读 25 评论 0

摘要：一個剛寫的jsp 直接訪問的時候報錯了，原因是項目lib下面的jsp-api.jar和tomcat 下的jsp-api.jar有沖突導致的，我吧lib下面的這兩個包刪掉即可 type Exception reportmessage java.lang.NullPointerExceptiondescription The server encountered an internal e

一個剛寫的jsp 直接訪問的時候報錯了，原因是
項目lib下面的jsp-api.jar和tomcat 下的jsp-api.jar有沖突導致的，
我吧lib下面的這兩個包刪掉即可

在這里插入圖片描述


type Exception reportmessage java.lang.NullPointerExceptiondescription The server encountered an internal error that prevented it from fulfilling this request.exceptionorg.apache.jasper.JasperException: java.lang.NullPointerExceptionorg.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:538)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:370)org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
root causejava.lang.NullPointerExceptionorg.apache.jsp.test_jsp._jspInit(test_jsp.java:23)org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:164)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:340)org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.37 logs.