404 error after Cockpit upgrade to 7.9+


#1

After upgrading Camunda (incl. cockpit) from version 7.8 to 7.9 I get a 404 error on ‘cockpit/plugin/cockpitPlugins/static/app/plugin.css’ with the following message in the backend:

2019-04-19 09:06:09.524 WARN 16004 — [ XNIO-1 task-46] ExceptionHandler : org.camunda.bpm.engine.rest.exception.RestException: It was not able to load the following file ‘app/plugin.js’.
at org.camunda.bpm.webapp.plugin.resource.AbstractAppPluginRootResource.getAsset(AbstractAppPluginRootResource.java:145)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)

My current setup is a Spring Boot 2.1.3.RELEASE application with:
mavenBom “org.camunda.bpm:camunda-bom:${camunda_version}”
compile(‘org.camunda.bpm.springboot:camunda-bpm-spring-boot-starter:3.2.1’)
compile(‘org.camunda.bpm.springboot:camunda-bpm-spring-boot-starter-rest:3.2.1’)
compile(‘org.camunda.bpm.springboot:camunda-bpm-spring-boot-starter-webapp:3.2.1’)

What can I do?