java.lang.NullPointerException at com.vignette.shared.cache.standard.HashedFileSystemBackingStore.deleteAll(HashedFileSystemBackingStore.java:310) at com.vignette.shared.cache.BackingStoreStrategy.onInvalidateAll(BackingStoreStrategy.java:115) at com.vignette.shared.cache.standard.StandardCache.invalidateAll(StandardCache.java:234) at com.vignette.ext.templating.cache.ObjectCache.removeAllSimpleObjects(ObjectCache.java:649) at com.vignette.ext.templating.cache.BaseObjectCache.removeAll(BaseObjectCache.java:130) at com.vignette.ext.templating.util.ContentUtil.clearCache(ContentUtil.java:1327) at jsp_servlet.__clearcache._jspService(__clearcache.java:108) at weblogic.servlet.jsp.JspBase.service(JspBase.java:34) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at com.ashland.corpwebsite.LocaleServletFilter.doFilter(LocaleServletFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)