Hi, I've been using coocon for some time now and everything usually work out ok but I'm having a major issue at the moment with sub-sitemaps. I have a number of subsitemaps configured in the main sitemap, and EVERYRTHING works perfectly up until I edit and save the main sitemap.Once I request the page again the error below is thrown.
org.apache.cocoon.ProcessingException: Exception in creating Transform Handler: java.lang.NullPointerException at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTransformerHandler(XS LTProcessorImpl.java:295) at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTransformerHandler(XS LTProcessorImpl.java:239) at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java: 298) at org.apache.cocoon.components.pipeline.AbstractEventPipeline.setupPipeline(Ab stractEventPipeline.java:215) at org.apache.cocoon.components.pipeline.CachingEventPipeline.setup(CachingEven tPipeline.java:278) at org.apache.cocoon.components.pipeline.CachingEventPipeline.generateKey(Cachi ngEventPipeline.java:141) at org.apache.cocoon.components.pipeline.CachingStreamPipeline.process(CachingS treamPipeline.java:317) at org.apache.cocoon.www.test.sitemap_xmap.matchd0e123(/home/o2uk/jakarta-tomca t-4.0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/tes t/sitemap_xmap.java:1029) at org.apache.cocoon.www.test.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4. 0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/test/si temap_xmap.java:607) at org.apache.cocoon.www.test.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4. 0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/test/si temap_xmap.java:525) at org.apache.cocoon.sitemap.Handler.process(Handler.java:224) at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179) at org.apache.cocoon.www.sitemap_xmap.matchd0e610(/home/o2uk/jakarta-tomcat-4.0 .6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_ xmap.java:4646) at org.apache.cocoon.www.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4.0.6/w ork/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_xmap .java:3821) at org.apache.cocoon.www.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4.0.6/w ork/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_xmap .java:3709) at org.apache.cocoon.sitemap.Handler.process(Handler.java:224) at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179) at org.apache.cocoon.sitemap.SitemapManager.process(SitemapManager.java:154) at org.apache.cocoon.Cocoon.process(Cocoon.java:575) at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:999) at com.changingworlds.nav.devicemanager.DeviceManager.service(DeviceManager.jav a:92) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:190) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1027) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125 ) at java.lang.Thread.run(Thread.java:536) Caused by: java.lang.NullPointerException at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTemplates(XSLTProcess orImpl.java:379) at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTransformerHandler(XS LTProcessorImpl.java:247) ... 51 more java.lang.NullPointerException at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTemplates(XSLTProcess orImpl.java:379) at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTransformerHandler(XS LTProcessorImpl.java:247) at org.apache.cocoon.components.xslt.XSLTProcessorImpl.getTransformerHandler(XS LTProcessorImpl.java:239) at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java: 298) at org.apache.cocoon.components.pipeline.AbstractEventPipeline.setupPipeline(Ab stractEventPipeline.java:215) at org.apache.cocoon.components.pipeline.CachingEventPipeline.setup(CachingEven tPipeline.java:278) at org.apache.cocoon.components.pipeline.CachingEventPipeline.generateKey(Cachi ngEventPipeline.java:141) at org.apache.cocoon.components.pipeline.CachingStreamPipeline.process(CachingS treamPipeline.java:317) at org.apache.cocoon.www.test.sitemap_xmap.matchd0e123(/home/o2uk/jakarta-tomca t-4.0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/tes t/sitemap_xmap.java:1029) at org.apache.cocoon.www.test.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4. 0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/test/si temap_xmap.java:607) at org.apache.cocoon.www.test.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4. 0.6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/test/si temap_xmap.java:525) at org.apache.cocoon.sitemap.Handler.process(Handler.java:224) at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179) at org.apache.cocoon.www.sitemap_xmap.matchd0e610(/home/o2uk/jakarta-tomcat-4.0 .6/work/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_ xmap.java:4646) at org.apache.cocoon.www.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4.0.6/w ork/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_xmap .java:3821) at org.apache.cocoon.www.sitemap_xmap.process(/home/o2uk/jakarta-tomcat-4.0.6/w ork/Standalone/localhost/ndm/cocoon-files/org/apache/cocoon/www/sitemap_xmap .java:3709) at org.apache.cocoon.sitemap.Handler.process(Handler.java:224) at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179) at org.apache.cocoon.sitemap.SitemapManager.process(SitemapManager.java:154) at org.apache.cocoon.Cocoon.process(Cocoon.java:575) at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:999) at com.changingworlds.nav.devicemanager.DeviceManager.service(DeviceManager.jav a:92) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:190) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1027) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125 ) at java.lang.Thread.run(Thread.java:536) I'm afraid I'm not too familiar with the inner workings of cocoon and haven't found much help on this so any help would be greatly appreciated. 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