> Show Exception ----------------- java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at jp.co.mki.bio.pfa.dist.handler.PfaHandler.processEvent(PfaHandler.java:69) at jp.co.mki.bio.pfa.dist.servlet.PfaHttpServlet.doPageView(PfaHttpServlet.java:162) at jp.co.mki.bio.pfa.dist.servlet.PfaCatalogServlet.doProc(PfaCatalogServlet.java:103) at jp.co.mki.bio.pfa.dist.servlet.PfaCatalogServlet.doGet(PfaCatalogServlet.java:61) at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:196) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:366) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:526) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:847) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1680) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:750) Caused by: java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:460) at jp.co.mki.bio.pfa.dist.handler.CatalogHandler.setCurrentPage(CatalogHandler.java:77) at jp.co.mki.bio.pfa.dist.handler.StrainDetailHandler.procViewStrainDetail(StrainDetailHandler.java:380) ... 32 more > Show Header -------------------- actionKey : strainDetail ifmNo : 330 > Show Session ------------------- > Class Name ------------------- jp.co.mki.bio.pfa.dist.servlet.PfaCatalogServlet