这是我第一次使用 luminis/liferay 环境开发 portlet 我一直在尝试部署我的 portlet 但仍然遇到各种错误,不太清楚如何解决这些错误
2013-06-25 10:14:59,542 INFO [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig Undeploying context [/WebApplication6]
2013-06-25 10:14:59,636 WARN [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig Error while removing context [/WebApplication6]
java.lang.NullPointerException
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.destroy(PortalClassLoaderFilter.java:58)
at org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:253)
at org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3670)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4354)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1007)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1215)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1306)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1570)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1559)
at java.lang.Thread.run(Thread.java:662)