General Error: java.lang.NullPointerException at WCCompressedHTMLOutput.standardsMode(WCCompressedHTMLOutput.java:252) at WCCompressedHTMLOutput.docType(WCCompressedHTMLOutput.java:143) at WCCompressedHTMLOutput.print(WCCompressedHTMLOutput.java:174) at WCCompressedHTMLOutput.println(WCCompressedHTMLOutput.java:191) at WCFork.process(WCFork.java:119) at Web.doGetOrPost(Web.java:93) at Web.doGet(Web.java:75) at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at sun.reflect.GeneratedMethodAccessor724.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:169) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:297) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at sun.reflect.GeneratedMethodAccessor723.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:249) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:748) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:486) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:411) at org.apache.catalina.core.ApplicationDispatcher.access$000(ApplicationDispatcher.java:64) at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:97) at org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:85) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:330) at CleanURLFilter.doFilter(CleanURLFilter.java:156) at sun.reflect.GeneratedMethodAccessor721.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:277) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:274) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:309) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:249) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:191) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:187) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:186) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:744)