Question

我尝试将使用warbler-0.9.14构建的war文件部署到一个JoR应用程序到Tomcat 7.然而，当我尝试启动应用程序时，我收到以下错误

Jul 09,2016 3:48:13 PM org.apache.catalina.core.StandardContext listenerStop SEVERE：异常将上下文销毁事件发送到类org.jruby.rack.rails.RailsServletContextListener的侦听器实例显示java.lang.NullPointerException 在org.jruby.rack.SharedRackApplicationFactory.destroy（SharedRackApplicationFactory.java:58）在org.jruby.rack.RackServletContextListener.contextDestroyed（RackServletContextListener.java:50） at org.apache.catalina.core.StandardContext.listenerStop（StandardContext.java:5146） at org.apache.catalina.core.StandardContext.stopInternal（StandardContext.java:5810）在org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:224）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:159）在org.apache.catalina.manager.ManagerServlet.start（ManagerServlet.java:1312）在org.apache.catalina.manager.HTMLManagerServlet.start（HTMLManagerServlet.java:690）在org.apache.catalina.manager.HTMLManagerServlet.doPost（HTMLManagerServlet.java:216）在javax.servlet.http.HttpServlet.service（HttpServlet.java:650）在javax.servlet.http.HttpServlet.service（HttpServlet.java:731）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）在org.apache.catalina.filters.CsrfPreventionFilter.doFilter（CsrfPreventionFilter.java:136）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）在org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）在org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter（SetCharacterEncodingFilter.java:108）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:218）在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:614）在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:169）在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:103）在org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:956）在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:442）在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1082） at org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:623） at org.apache.tomcat.util.net.JIoEndpoint $ SocketProcessor.run（JIoEndpoint.java:318）在java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1145） at java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:615） at org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run（TaskThread.java:61）在java.lang.Thread.run（Thread.java:745）

我对Java / jruby知之甚少，不知道我错过了什么。任何对任何文档的帮助或参考都将非常感激。代码库非常陈旧，没有文档。我已经确定它使用的是jruby-1.6.8和rails 2.3.5。

这是web.xml

＆＃13;

<!DOCTYPE web-app PUBLIC
  "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
  "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>

  <context-param>
    <param-name>rails.env</param-name>
    <param-value>development</param-value>
  </context-param>

  <context-param>
    <param-name>public.root</param-name>
    <param-value>/</param-value>
  </context-param>

  <context-param>
    <param-name>jruby.min.runtimes</param-name>
    <param-value>2</param-value>
  </context-param>

  <context-param>
    <param-name>jruby.max.runtimes</param-name>
    <param-value>4</param-value>
  </context-param>

  <listener>
    <listener-class>org.jruby.rack.rails.RailsServletContextListener</listener-class>
  </listener>

  <servlet>
    <servlet-name>Rails</servlet-name>
    <servlet-class>org.jruby.rack.RackServlet</servlet-class>
  </servlet>

  <servlet-mapping>
    <servlet-name>Rails</servlet-name>
    <url-pattern>/*</url-pattern>
  </servlet-mapping>


  <servlet>
      <servlet-name>ImageServlet</servlet-name>
      <servlet-class>net.sf.jasperreports.j2ee.servlets.ImageServlet</servlet-class>
  </servlet>

  <servlet-mapping>
      <servlet-name>ImageServlet</servlet-name>
      <url-pattern>/servlets/image</url-pattern>
  </servlet-mapping>

  <security-constraint>
      <web-resource-collection>
          <web-resource-name>Forbidden</web-resource-name>
          <url-pattern>/*</url-pattern>
          <http-method>DELETE</http-method>
          <http-method>TRACE</http-method>
          <http-method>OPTIONS</http-method>
      </web-resource-collection>
      <auth-constraint />
  </security-constraint>

</web-app>

＆＃13;

Answer 1

看起来jruby-rack是问题所在。我使用的鸣鸟的版本真的很旧，所以我最终升级到1.4.9，将jruby-rack升级到jruby-rack-1.1.20.jar。

Jruby 1.6.8 tomcat部署问题（org.jruby.rack.rails.RailsServletContextListener）

1 个答案:

Jruby 1.6.8 tomcat部署问题（org.jruby.rack.rails.RailsS​​ervletContextListener）

1 个答案:

Jruby 1.6.8 tomcat部署问题（org.jruby.rack.rails.RailsServletContextListener）