在使用Xalan中我调用此库的函数时出现此错误（例如：PrintTraceListener ptl = new PrintTraceListener（pw））我在控制台中出现此错误
Caused by: java.lang.ClassNotFoundException: org.apache.xalan.trace.PrintTraceListener from [Module "deployment.ReceptionPartenairesSATest.ear.sa.war:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
....
Caused by: java.lang.NoClassDefFoundError: org/apache/xalan/trace/PrintTraceListener
at fr.recouv.cfe.sa.impl.NairesSAImpl.transformXSL(NairesSAImpl.java:333) [classes:]
at fr.recouv.cfe.sa.impl.NairesSAImpl.transformToLas(NairesSAImpl.java:290) [classes:]
.....
Caused by: org.jboss.weld.exceptions.WeldException: org/apache/xalan/trace/PrintTraceListener
at org.jboss.weld.bean.InterceptorImpl.intercept(InterceptorImpl.java:92) [weld-core-1.1.5.AS71.Final.jar:2012-02-10 15:31]
at org.jboss.as.weld.ejb.DelegatingInterceptorInvocationContext.proceed(DelegatingInterceptorInvocationContext.java:71) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]