Hi,
  Trying to connect to an Oracle 12c DB and am receiving the following error:
ERROR org.codehaus.groovy.grails.web.errors.GrailsExceptionResolver  - ClassNotFoundException occurred when processing request: [POST] /setup/testDbConnection
oracle.xdb.XMLType. Stacktrace follows:
java.lang.ClassNotFoundException: oracle.xdb.XMLType
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
        at java.lang.Class.privateGetPublicMethods(Class.java:2902)
        at java.lang.Class.getMethods(Class.java:1615)
        at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:49)
        at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:36)
        at com.kagilum.plugin.admin.services.SettingsService.testDbConnection(SettingsService.groovy:149)
        at com.kagilum.plugin.admin.controllers.SetupController.testDbConnection(SetupController.groovy:141)
        at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198)
        at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
        at grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.java:53)
        at grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.java:62)
        at grails.plugin.springsecurity.web.SecurityRequestHolderFilter.doFilter(SecurityRequestHolderFilter.java:59)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)
Java – 1.8.0_131
Anyone run into this?