HTTP Status 500 – Internal Server Error

Type Exception Report

Message Servlet execution threw an exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: Servlet execution threw an exception
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

java.lang.NoClassDefFoundError: com/sun/image/codec/jpeg/ImageFormatException
	com.batix.upload.GalleryPictureServlet.doGet(GalleryPictureServlet.java:67)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

java.lang.ClassNotFoundException: com.sun.image.codec.jpeg.ImageFormatException
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1358)
	org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180)
	com.batix.upload.GalleryPictureServlet.doGet(GalleryPictureServlet.java:67)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Note The full stack trace of the root cause is available in the server logs.

Apache Tomcat/8.5.58