我不断收到这两个错误，是否有任何暗示？
ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/@CONTEXT_ROOT@]] (ServerService Thread Pool -- 52) JBWEB000289: Servlet action threw load() exception: java.lang.ClassNotFoundException: org.apache.commons.collections.ArrayStack from [Module "org.apache.commons.digester:main" from local module loader @ed17bee (finder: local module finder @2a33fae0 (roots: C:\tools\EAP-6.4.0\modules,C:\tools\EAP-6.4.0\modules\system\layers\base\.overlays\layer-base-jboss-eap-6.4.13.CP,C:\tools\EAP-6.4.0\modules\system\layers\base))]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.6.Final-redhat-1]
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.6.Final-redhat-1]
和
ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/@CONTEXT_ROOT@]] (ServerService Thread Pool -- 52) JBWEB000289: Servlet ApplicationInit threw load() exception: java.lang.ClassNotFoundException: org.apache.commons.collections.FastHashMap from [Module "deployment.WEBCMU_DIM_EAR.ear.commons-beanutils.jar:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.6.Final-redhat-1]