"java.lang.IllegalArgumentException: object is not an instance of declaring class" error in the server.log file when BRMS/BPMS/RHDM/RHPAM is installed on certain versions of EAP

Solution Verified - Updated -

Issue

  • The following error is logged in the server.log file when BPMS is installed on EAP 6.4.21:

    ERROR [org.drools.compiler.kie.builder.impl.ClasspathKieProject] (MSC service thread 1-7) Error when reading virtual file from vfs:/xxx/xxx/xxx/jboss-eap-6.4/standalone/deployments/business-central.war/WEB-INF/lib/drools-pmml-6.5.0.Final-redhat-25.jar/META-INF/kmodule.xml: java.lang.IllegalArgumentException: object is not an instance of declaring class
    ...
    
  • java.lang.IllegalArgumentException: object is not an instance of declaring class error in the server.log file;

  • I hit the following error when RHDM or RHPAM 7.1.1 is installed on EAP 7.1.5. We don't see the error with EAP 7.1.4.

    [ERROR] [MSC service thread 1-1] [org.drools.compiler.kie.builder.impl.ClasspathKieProject] (ClasspathKieProject.java:426) - Error when reading virtual file from vfs:/xxx/xxx/xxx/jboss-eap-7.1/standalone/deployments/decision-central.war/WEB-INF/lib/kie-wb-common-services-backend-7.11.0.Final-redhat-00004.jar/META-INF/kmodule.xml: java.lang.IllegalArgumentException: object is not an instance of declaring class
    

Environment

  • Red Hat BPM Suite (BPMS)
    • 6.4.11
  • Red Hat Decision Manager (RHDM)
    • 7.1.1
  • Red Hat Process Automation Manager (RHPAM)
    • 7.1.1
  • Red Hat Enterprise Application Platform (EAP)
    • 6.4.21
    • 6.4.22
    • 7.1.5

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content