jon-library-plugin rhq-plugin.xml: Validation fatal error

03:43:38,285 INFO  [org.rhq.coregui.server.gwt.PluginFileUploadServlet] (http-0.0.0.0:7080-2) A new plugin has been deployed [/home/hudson/jon-server-3.3.0.GA/plugins/infinispan-rhq-plugin-8.5.0.ER2-redhat-2.jar]. A scan is required now in order to register it.
03:43:50,710 ERROR [org.rhq.core.clientapi.descriptor.AgentPluginDescriptorUtil] (http-0.0.0.0:7080-2) Validation fatal error while parsing [infinispan-rhq-plugin-8.5.0.ER2-redhat-2.jar:META-INF/rhq-plugin.xml] at line 238, column 112: cvc-identity-constraint.4.1: Duplicate unique value [Cache.start] declared for identity constraint "service-operation" of element "service".
03:43:50,714 WARN  [org.rhq.enterprise.server.core.plugin.PluginDeploymentScanner] (http-0.0.0.0:7080-2) Does not look like [/home/hudson/jon-server-3.3.0.GA/plugins/infinispan-rhq-plugin-8.5.0.ER2-redhat-2.jar.fixme] is a plugin jar -(Cause: java.lang.NullPointerException:no xml descriptor found in jar). It will be ignored. Please fix that file or remove it.