Type Exception Report
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
java.lang.NullPointerException org.greenstone.gsdl3.util.XMLTransformer.transform(XMLTransformer.java:533) org.greenstone.gsdl3.util.XMLTransformer.transform(XMLTransformer.java:474) org.greenstone.gsdl3.util.XMLTransformer$TransformErrorListener.performTransformWithPhysicalFiles(XMLTransformer.java:867) org.greenstone.gsdl3.util.XMLTransformer$TransformErrorListener.handleError(XMLTransformer.java:773) org.greenstone.gsdl3.util.XMLTransformer$TransformErrorListener.fatalError(XMLTransformer.java:715) org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1409) org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:709) org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1273) org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1251) org.greenstone.gsdl3.util.XMLTransformer.transform(XMLTransformer.java:307) org.greenstone.gsdl3.util.XMLTransformer.transform(XMLTransformer.java:225) org.greenstone.gsdl3.core.TransformingReceptionist.transformPage(TransformingReceptionist.java:1132) org.greenstone.gsdl3.core.TransformingReceptionist.postProcessPage(TransformingReceptionist.java:336) org.greenstone.gsdl3.core.Receptionist.process(Receptionist.java:293) org.greenstone.gsdl3.LibraryServlet.doGetOrPost(LibraryServlet.java:818) org.greenstone.gsdl3.LibraryServlet.doGet(LibraryServlet.java:847) javax.servlet.http.HttpServlet.service(HttpServlet.java:635) javax.servlet.http.HttpServlet.service(HttpServlet.java:742) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.greenstone.gsdl3.core.URLFilter.doFilter(URLFilter.java:493)
Note The full stack trace of the root cause is available in the server logs.