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via ZK-Tracker by dennis, 1 year ago
This exception has no message.
via ZK-Tracker by dennis, 1 year ago
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via ZK-Tracker by rangringo, 1 year ago
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via ZK-Tracker by rangringo, 1 year ago
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java.lang.NullPointerException: 	at org.zkoss.web.servlet.Servlets.getVersion(Servlets.java:449)	at org.zkoss.web.servlet.Servlets.getVersion(Servlets.java:446)	at org.zkoss.web.servlet.Servlets.browserInfo(Servlets.java:408)	at org.zkoss.web.servlet.Servlets.browserInfo(Servlets.java:360)	at org.zkoss.web.servlet.Servlets.getBrowser(Servlets.java:323)	at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:256)	at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:392)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at com.potix.zkdemo.DemoEntryServiceFilter.doFilter(DemoEntryServiceFilter.java:154)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)	at java.lang.Thread.run(Thread.java:662)