java.lang.NoClassDefFoundError: com/foo/a

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org.apache.http.config.Lookup class is in httpcore-4.3.jar not in httpclient-4.3.1.jar

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java.lang.NoClassDefFoundError: com/foo/a
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at undefined.RunReflect.main(RunReflect.java:10)

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