我在运行以下代码时收到以下错误:
java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils from BaseClassLoader
at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:448)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at org.dozer.util.ResourceLoader.getResource(ResourceLoader.java:53)
at org.dozer.util.DefaultClassLoader.loadResource(DefaultClassLoader.java:44)
at org.dozer.config.GlobalSettings.loadGlobalSettings(GlobalSettings.java:116)
at org.dozer.config.GlobalSettings.<init>(GlobalSettings.java:67)
at org.dozer.config.GlobalSettings.<clinit>(GlobalSettings.java:46)
at org.dozer.stats.StatisticsManagerImpl.<init>(StatisticsManagerImpl.java:39)
at org.dozer.stats.GlobalStatistics.<init>(GlobalStatistics.java:29)
at org.dozer.stats.GlobalStatistics.<clinit>(GlobalStatistics.java:24)
at org.dozer.DozerBeanMapper.<clinit>(DozerBeanMapper.java:59)
请指导我解决问题。