Encounter the above problem, MO Urgent, estimated you have already added Common-lang bag, but still can't
Exception in thread ' main ' java.lang.noclassdeffounderror:org/apache/commons/lang/text/strlookup at
Com.zz.dataAccess.Properties.main (properties.java:10)
caused by:java.lang.ClassNotFoundException: Org.apache.commons.lang.text.StrLookup at
java.net.urlclassloader$1.run (urlclassloader.java:200)
at Java.security.AccessController.doPrivileged (Native method) at
Java.net.URLClassLoader.findClass ( urlclassloader.java:188) at
Java.lang.ClassLoader.loadClass (classloader.java:307) at
sun.misc.launcher$ Appclassloader.loadclass (launcher.java:301) at
java.lang.ClassLoader.loadClass (classloader.java:252)
at Java.lang.ClassLoader.loadClassInternal (classloader.java:320) ...
1 more
The reason is because you added the Lang package did not introduce this package, hehe
http://commons.apache.org/lang/Download Compare the new 2.x version on the OK