Ultimate Solution at Org.apache.jsp.index_jsp._jspinit (INDEX_JSP.JAVA:22) Report NULL pointer

Java.lang.NullPointerException at Org.apache.jsp.index_jsp._jspinit (index_jsp.java:22) There may be many reasons for this problem, the most important is their The case of JAR packages and TOMCA in the project has caused a lot of solutions to remove the Jsp-api.jar and Servlet-api.jar two jar packages in the project, which is the right solution. But if you delete these two jars, you may still have a problem, so you need to look at the. classpath file in your project, paying special attention to kind= "Lib" Does it refer to the two jar packages of Jsp-api.jar and Servlet-api.jar, which might refer to the jar package in Tomcat, and if this is the case, you have to delete those two lines and reboot Tomcat, it should be OK! The deletion and modification of the jar must be reflected on the. classpath file, or the above problem will occur.

Ultimate Solution at Org.apache.jsp.index_jsp._jspinit (INDEX_JSP.JAVA:22) Report NULL pointer