我已经安装ProjectForge成功，但是过了一段时间 tomcat 开始暂停，我在logs. 我正在使用XAMPP。
我认为这是由于端口冲突我已经更改了端口，但我需要知道根本原因。
Nov 17, 2014 5:17:12 PM org.apache.catalina.core.ApplicationContext
log SEVERE: FAIL - Application at context path /ProjectForge could not
be started org.apache.catalina.LifecycleException: An invalid
Lifecycle transition was attempted ([before_start]) for component
[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/ProjectForge]]
in state [STOPPING] at
org.apache.catalina.util.LifecycleBase.invalidTransition(LifecycleBase.java:409)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:144)
at
org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1256)
at
org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:714)
at
org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:219)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:212)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:611)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)