Facelets EL functions do not work after form submit (both normal and ajax). It is certainly classloading problem - org.apache.el tries to load EL function impl. class but there is no appropriate classloader. I studied JBoss classloading model and probed various configurations - without result. Environment: | JBoss Seam 1.2.1.GA | JBoss AS 4.2.0.GA | JSF 1.2 (Sun) 1.2_04 | Facelets 1.1.12 | Ajax4jsf 1.1.1 | Richfaces 3.0.1 | | | 10:22:56,291 ERROR [STDERR] java.lang.ClassNotFoundException: No ClassLoaders found for: cz.mydomain.CoreELFunctions | | 10:22:56,293 ERROR [STDERR] at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:212) | | 10:22:56,293 ERROR [STDERR] at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:514) | | 10:22:56,293 ERROR [STDERR] at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:408) | | 10:22:56,293 ERROR [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:251) | | 10:22:56,293 ERROR [STDERR] at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) | | 10:22:56,293 ERROR [STDERR] at java.lang.Class.forName0(Native Method) | | 10:22:56,293 ERROR [STDERR] at java.lang.Class.forName(Class.java:164) | | 10:22:56,293 ERROR [STDERR] at org.apache.el.lang.FunctionMapperImpl$Function.getMethod(FunctionMapperImpl.java:147) | | 10:22:56,294 ERROR [STDERR] at org.apache.el.lang.FunctionMapperImpl.resolveFunction(FunctionMapperImpl.java:53) | | 10:22:56,294 ERROR [STDERR] at org.apache.el.parser.AstFunction.getValue(AstFunction.java:71) | | 10:22:56,294 ERROR [STDERR] at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) | | 10:22:56,294 ERROR [STDERR] at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4081224#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...