ProjectForge 中的 LifecycleException

Question

我已成功安装ProjectForge，但过了一段时间tomcat 开始暂停，我在logs 下发现以下内容。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)

Answer 1

我似乎找到了问题的原因。 ProjectForge 提供的服务存在错误。当这些服务被调用时，它最终会抛出错误。