The usage of the DateFormat class in classes such as DynamicResourceDispatcher.java, RichTextEntryResourceHandler.java, GMapResourceHandler.java, and InputRichTextResourceHandler.java can in some environments cause the following exception:

java.lang.ArrayIndexOutOfBoundsException: -2147483648
at java.text.SimpleDateFormat.subFormat(SimpleDateFormat.java:1065)
at java.text.SimpleDateFormat.format(SimpleDateFormat.java:898)
at java.text.SimpleDateFormat.format(SimpleDateFormat.java:868)
at java.text.DateFormat.format(DateFormat.java:316)
at org.icefaces.impl.push.DynamicResourceDispatcher$ResourceServer.respond(DynamicResourceDispatcher.java:255)
at org.icefaces.impl.push.DynamicResourceDispatcher$ResourceServer.handleResourceRequest(DynamicResourceDispatcher.java:241)
at org.icefaces.impl.push.DynamicResourceDispatcher$Mapping.handleResourceRequest(DynamicResourceDispatcher.java:390)
at org.icefaces.impl.push.DynamicResourceDispatcher$SessionBasedResourceDispatcher.handleResourceRequest(DynamicResourceDispatcher.java:150)
at org.icefaces.impl.push.DynamicResourceDispatcher.handleResourceRequest(DynamicResourceDispatcher.java:76)
at org.icefaces.application.ResourceRegistry.handleResourceRequest(ResourceRegistry.java:108)
at org.icefaces.impl.application.WindowScopeManager.handleSessionAwareResourceRequest(WindowScopeManager.java:69)
at org.icefaces.impl.application.SessionAwareResourceHandlerWrapper.handleResourceRequest(SessionAwareResourceHandlerWrapper.java:40)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at org.icefaces.impl.application.SessionTimeoutMonitor.handleSessionAwareResourceRequest(SessionTimeoutMonitor.java:71)
at org.icefaces.impl.application.SessionAwareResourceHandlerWrapper.handleResourceRequest(SessionAwareResourceHandlerWrapper.java:40)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:125)
at org.icefaces.impl.application.AuxUploadResourceHandler.handleResourceRequest(AuxUploadResourceHandler.java:82)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:591)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

Recommendation is to make these usages thread-safe.