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2.3. Requirements and Installation

  1. To get started with Guvnor Tools, you should have the following:
    • JBoss Developer Studio, which can be downloaded through the RedHat customer portal.
    • JBoss EAP with Guvnor repository deployed.
  2. To deploy JBoss EAP with the Guvnor repository, download JBoss Enterprise BRMS. When downloading you may choose either web-based Guvnor to deploy to your JBoss Server or Standalone Guvnor with JBoss AS.
  3. If you use JBoss AS 5 and Guvnor Tools doesn't work when deployed to the server, perform the following steps:
    1. Remove the JBoss Security libraries (authorization-spi-2.0.2.CR6.jar, identity-*, acl-spi-2.0.2.CR6.jar) from drools WAR file (not the app server itself). The JBoss Security libraries are provided in AS 5.
    2. Remove the JAXP libraries (xercesImpl-2.8.0.jar, xml-apis-2.*)
    3. Remove the EL libraries (el-*)
    When these steps have been performed, Guvnor should operate as normal. During deployment, you will see the following exception in the log which indicates that the experimental JBoss Security based ACL integration has defined some EJB3/JPA features in Guvnor that have not been configured. It looks like this: 
    ERROR [AbstractKernelController] Error installing to Start: name=persistence.unit:unitName=#ACL state=Create
java.lang.RuntimeException: Specification violation [EJB3 JPA 6.2.1.2] - You have not defined a non-jta-data-source 
for a RESOURCE_LOCAL enabled persistence context named: ACL