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via Coderanch by raghu dubey, 1 year ago
This exception has no message.
java.lang.NullPointerException at com.example.ListenerTester.doGet(ListenerTester.java:16) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)