ERROR [main] - Invalid configuration
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Bean class [com.metricstream.walkmod.visitors.UseCollectionsIsEmpty] not found
Offending resource: class path resource [META-INF/walkmod/walkmod-metricstream-plugin.xml]
Bean 'com.metricstream:walkmod-metricstream-plugin:UseCollectionsIsEmpty'; nested exception is java.lang.ClassNotFoundException: com.metricstream.walkmod.visitors.UseCollectionsIsEmpty
at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:68)
at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.error(BeanDefinitionParserDelegate.java:323)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseBeanDefinitionElement(BeanDefinitionParserDelegate.java:572)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseBeanDefinitionElement(BeanDefinitionParserDelegate.java:476)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseBeanDefinitionElement(BeanDefinitionParserDelegate.java:445)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.processBeanDefinition(DefaultBeanDefinitionDocumentReader.java:311)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:202)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:181)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:140)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:111)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
at org.walkmod.conf.providers.SpringConfigurationProvider.loadBeanFactory(SpringConfigurationProvider.java:69)
at org.walkmod.conf.providers.SpringConfigurationProvider.load(SpringConfigurationProvider.java:88)
at org.walkmod.conf.ConfigurationManager.executeConfigurationProviders(ConfigurationManager.java:112)
at org.walkmod.conf.ConfigurationManager.<init>(ConfigurationManager.java:73)
at org.walkmod.conf.ConfigurationManager.<init>(ConfigurationManager.java:81)
at org.walkmod.WalkModFacade.apply(WalkModFacade.java:330)
at org.walkmod.commands.ApplyCommand.execute(ApplyCommand.java:40)
at org.walkmod.WalkModDispatcher.execute(WalkModDispatcher.java:171)
at org.walkmod.WalkModDispatcher.main(WalkModDispatcher.java:196)
Caused by: java.lang.ClassNotFoundException: com.metricstream.walkmod.visitors.UseCollectionsIsEmpty
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:258)
at org.springframework.beans.factory.support.BeanDefinitionReaderUtils.createBeanDefinition(BeanDefinitionReaderUtils.java:63)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.createBeanDefinition(BeanDefinitionParserDelegate.java:697)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseBeanDefinitionElement(BeanDefinitionParserDelegate.java:553)
... 20 more
What is the problem here.?