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I have an
Caused by: java.lang.ClassCastException: com.liferay.taglib.aui.FieldWrapperTag cannot be cast to javax.servlet.jsp.tagext.Tag
exception. The portlet does’t run, there is nothing I can do about it.
I am using Liferay 6.0.6 and Spring Portlet MVC 3.0.5
Any help highly appreciated.
Bob
This type of problems are often caused by classloading issues. Specifically having same classes loaded by multiple classloaders.
Make sure your WAR doesn’t include jsp-api.jar in WEB-INF/lib directory.