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java.lang.NullPointerException at java.lang.String.startsWith(String.java:1252) at java.lang.String.startsWith(String.java:1281) at org.apache.naming.resources.FileDirContext.file(FileDirContext.java:916) at org.apache.naming.resources.FileDirContext.getAttributes(FileDirContext.java:491) at org.apache.naming.resources.BaseDirContext.getAttributes(BaseDirContext.java:774) at org.apache.naming.resources.ProxyDirContext.revalidate(ProxyDirContext.java:1519) at org.apache.naming.resources.ProxyDirContext.cacheLookup(ProxyDirContext.java:1475) at org.apache.naming.resources.ProxyDirContext.lookup(ProxyDirContext.java:306) at org.apache.naming.resources.DirContextURLConnection.connect(DirContextURLConnection.java:180) at org.apache.naming.resources.DirContextURLConnection.getLastModified(DirContextURLConnection.java:229) at org.zkoss.util.resource.AbstractLoader.getLastModified(AbstractLoader.java:44) at org.zkoss.util.resource.ResourceCache$Info.isValid(ResourceCache.java:216) at org.zkoss.util.resource.ResourceCache.get(ResourceCache.java:126) at org.zkoss.zk.ui.metainfo.ZScript.getContent(ZScript.java:217) at org.zkoss.zk.ui.impl.UiEngineImpl.execNonComponent(UiEngineImpl.java:728) at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:547) at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:557) at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:525) at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:492) at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:374) at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:296) at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:230) at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:167) at javax.servlet.http.HttpServlet.service(HttpServlet.java:718) at javax.servlet.http.HttpServlet.service(HttpServlet.java:831) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:290) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)