2009-12-15 13:59:05,279 ERROR info.magnolia.module.templating.RenderingFilter : Can't render template /templates/books/author.jsp info.magnolia.module.templating.RenderException: Can't render template /templates/books/author.jsp at info.magnolia.module.templating.renderers.JspTemplateRenderer.onRender(JspTemplateRenderer.java:76) at info.magnolia.module.templating.AbstractRenderer.render(AbstractRenderer.java:83) at info.magnolia.module.templating.renderers.AbstractTemplateRenderer.renderTemplate(AbstractTemplateRenderer.java:76) at info.magnolia.module.templating.RenderingFilter.doFilter(RenderingFilter.java:93) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.BackwardCompatibilityFilter.doFilter(BackwardCompatibilityFilter.java:72) at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.InterceptFilter.doFilter(InterceptFilter.java:121) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.AggregatorFilter.doFilter(AggregatorFilter.java:103) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:61) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.RepositoryMappingFilter.doFilter(RepositoryMappingFilter.java:90) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:76) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:115) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57) at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:118) at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:83) at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84) at info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:87) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:61) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:89) at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:62) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:84) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:84) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:87) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82) at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:64) at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:70) at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96) at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:199) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Thread.java:637) Caused by: org.apache.jasper.JasperException: java.util.ConcurrentModificationException at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:99) at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:199) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302) at info.magnolia.module.templating.renderers.JspTemplateRenderer.onRender(JspTemplateRenderer.java:73) ... 83 more Caused by: java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at info.magnolia.cms.taglibs.util.SimpleNavigationTag.drawChildren(SimpleNavigationTag.java:444) at info.magnolia.cms.taglibs.util.SimpleNavigationTag.drawChildren(SimpleNavigationTag.java:589) at info.magnolia.cms.taglibs.util.SimpleNavigationTag.doEndTag(SimpleNavigationTag.java:386) at org.apache.jsp.templates.books.author_jsp._jspx_meth_cmsu_005fsimpleNavigation_005f0(author_jsp.java:208) at org.apache.jsp.templates.books.author_jsp._jspService(author_jsp.java:108) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) ... 97 more Exception in thread "Dispatcher-Thread-5" java.lang.NullPointerException at java.io.Writer.write(Writer.java:140) at org.apache.log4j.helpers.CountingQuietWriter.write(CountingQuietWriter.java:45) at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:309) at org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:263) at org.apache.log4j.WriterAppender.append(WriterAppender.java:160) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66) at org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:583) at java.lang.Thread.run(Thread.java:637)