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    Expert tip

    Look if your classpath is correct, and check if the versions of your libraries match the version you described in your pom.xml

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java.lang.NoClassDefFoundError: org/apache/commons/io/monitor/FileAlterationListener	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(	at	at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(	at org.apache.catalina.loader.WebappClassLoaderBase.findClass(	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(	at	at	at	at