Error starting flowable-rest: ProcessEngineFactoryBean cannot be cast to ProcessEngine

Flowable Engine
1

Hi. I’m trying to start the flowable-rest webapp packaged in the 6.2.1 download. Only changed the database setup from h2 to postgres. Getting the following exception. Any idea why?

2018-03-08 18:04:06.106:WARN:oejw.WebAppContext:main: Failed startup of context o.e.j.w.WebAppContext@6a6f6c7e{/flowable-rest,file:///…/webapps/flowable-rest/,UNAVAILABLE}{/flowable-rest}
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dmnEngineConfiguration’ defined in class path resource [org/flowable/rest/conf/FlowableEngineConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.flowable.dmn.api.DmnEngineConfigurationApi]: Factory method ‘dmnEngineConfiguration’ threw exception; nested exception is java.lang.ClassCastException: org.flowable.spring.ProcessEngineFactoryBean$$EnhancerBySpringCGLIB$$da38e03d cannot be cast to org.flowable.engine.ProcessEngine
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)

2

Found a solution here: Flowable-custom-context.xm is too bad as configuration sample!
But didn’t work for me.

Also tried this: How to configure flowable-rest.war using JNDI
But no luck.

Ummm… am I missing something major? Why is it so hard to start the REST service with the default (supplied) config?

3

Hi,

Strange. Did you try to start the REST app with the default H2 config as well? Did that work?
Could you share the full boot log of Tomcat?

Best regards,

Tijs

4

I’ll share… it’s a little tough to post too many logs / details as I’m running in a controlled environment. However I’m running Jetty not Tomcat.