Spring and cross context: WebAsyncManager cannot be cast to WebAsyncManager

Question

I want to use the cross context feature in a Spring application so I can import some webapp1 JSP into a webapp2 JSP. I\'m using Eclipse STS with the included Tomcat 7.0.42 (

Answer 1

We fought with this exception in our hybrid applications (development: Spring Boot app / production: Liferay portlet; the exception occured on our Liferay servers) for several days.

In our case disabling all (unneeded) servlet filters helped:

• https://stackoverflow.com/questions/28421966/prevent-spring-boot-from-registering-a-servlet-filter (dimafeng's answer)
• http://dimafeng.com/2015/11/27/dynamic-bean-definition/
• https://github.com/dimafeng/dimafeng-examples/tree/master/dynamic-bean-def/src/main/java/com/dimafeng/examples/dynamic_bean_def