Galera, fiz o deploy da minha aplicação no OpenShift, mas quando vou acessar não aparece nada. Dei uma olhada no arquivo de log e aparece o seguinte:

Mar 07, 2016 12:48:54 PM org.apache.catalina.startup.Catalina addClusterRuleSet
INFO: Cluster RuleSet not found due to [java.lang.ClassNotFoundException: org.apache.catalina.ha.ClusterRuleSet]. Cluster configuration disabled.
Mar 07, 2016 12:48:54 PM org.apache.catalina.startup.Catalina addClusterRuleSet
INFO: Cluster RuleSet not found due to [java.lang.ClassNotFoundException: org.apache.catalina.ha.ClusterRuleSet]. Cluster configuration disabled.
Mar 07, 2016 12:48:55 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /opt/rh/mysql55/root/usr/lib64:/usr/java/packages/lib/i386:/lib:/usr/lib
Mar 07, 2016 12:48:55 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-127.5.156.1-8080"]
Mar 07, 2016 12:48:55 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1410 ms
Mar 07, 2016 12:48:55 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Mar 07, 2016 12:48:55 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.54
Mar 07, 2016 12:48:55 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive /var/lib/openshift/56dd64952d5271bdb0000013/app-root/runtime/dependencies/jbossews/webapps/magistro-0.1.war
Mar 07, 2016 12:49:33 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://www.springframework.org/tags is already defined
Mar 07, 2016 12:49:33 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://www.springframework.org/tags/form is already defined
Configuring Spring Security Core ...
... finished configuring Spring Security Core
Mar 07, 2016 12:50:29 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deployment of web application archive /var/lib/openshift/56dd64952d5271bdb0000013/app-root/runtime/dependencies/jbossews/webapps/magistro-0.1.war has finished in 93,995 ms
Mar 07, 2016 12:50:29 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-127.5.156.1-8080"]
Mar 07, 2016 12:50:29 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 94291 ms

Pesquisei pra caramba e não acho a solução para isso.
Estou utilizando a versão 2.5.1 do Grails
 Tomcat 7 (JBoss EWS 2.0)

Valeu o/