Comments on: Conundrum Solved: Odd Linkage Error in A4J http://www.summa-tech.com/blog/2010/06/29/conundrum-solved-odd-linkage-error-in-a4j/?utm_source=rss&utm_medium=rss&utm_campaign=conundrum-solved-odd-linkage-error-in-a4j Summa Blog Thu, 17 May 2012 15:31:51 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Via Bulatao http://www.summa-tech.com/blog/2010/06/29/conundrum-solved-odd-linkage-error-in-a4j/comment-page-1/#comment-2786 Via Bulatao Wed, 27 Oct 2010 13:24:50 +0000 http://www.summa-tech.com/blog/?p=2086#comment-2786 Hi Swetha! The colliding JARs may not necessarily be in your application, but it could be in your application server. Have you verified that the JARs installed on your application server do not collide against your application? Against each other? Make sure to check your classloader configuration as well. Good luck! Hi Swetha! The colliding JARs may not necessarily be in your application, but it could be in your application server. Have you verified that the JARs installed on your application server do not collide against your application? Against each other? Make sure to check your classloader configuration as well. Good luck!

]]> By: swetha http://www.summa-tech.com/blog/2010/06/29/conundrum-solved-odd-linkage-error-in-a4j/comment-page-1/#comment-2780 swetha Mon, 25 Oct 2010 11:22:22 +0000 http://www.summa-tech.com/blog/?p=2086#comment-2780 hi, i have been involved in a code generation tool comprising AndroMDA 3.3, ArgoUML, Maven. I have been successful in the process. By default the UI portion used to generate JSF pages use MyFaces framework. Now, I have been asked to replace MyFaces with RichFaces. On this process, i added richfaces jars to web-inf/lib. When I created a web application with this set up and deployed, I got the following error: java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method "org.ajax4jsf.component.AjaxViewRoot$1.invokeContextCallback(Ljavax/faces/context/FacesContext;Ljavax/faces/component/UIComponent V" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the current class, org/ajax4jsf/component/AjaxViewRoot$1, and the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) for interface javax/faces/component/ContextCallback have different Class objects for the type javax/faces/context/FacesContext used in the signature Only then, i came across ur post here. Your post was very clear and precise and m able to understand the origin of this error. But the prob i face is that, the jar containing javax/faces/context/FacesContext class does not exist in my application. And i am not sure which class to delete. javax/faces/context/FacesContext or javax/faces/component/ContextCallback ??? Awaiting ur reply at the earliest...... hi,
i have been involved in a code generation tool comprising AndroMDA 3.3, ArgoUML, Maven. I have been successful in the process. By default the UI portion used to generate JSF pages use MyFaces framework. Now, I have been asked to replace MyFaces with RichFaces. On this process, i added richfaces jars to web-inf/lib. When I created a web application with this set up and deployed, I got the following error:

java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method “org.ajax4jsf.component.AjaxViewRoot$1.invokeContextCallback(Ljavax/faces/context/FacesContext;Ljavax/faces/component/UIComponent V” the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the current class, org/ajax4jsf/component/AjaxViewRoot$1, and the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) for interface javax/faces/component/ContextCallback have different Class objects for the type javax/faces/context/FacesContext used in the signature

Only then, i came across ur post here. Your post was very clear and precise and m able to understand the origin of this error. But the prob i face is that, the jar containing javax/faces/context/FacesContext class does not exist in my application. And i am not sure which class to delete. javax/faces/context/FacesContext or javax/faces/component/ContextCallback ???

Awaiting ur reply at the earliest……

]]>