NoSuchMethodError On Ews-java-api

I'm having some issues trying to use exchange webservices for java. I'm getting following NoSuchMethodError. java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http

Solution 1:

Try adding

compile 'org.apache.httpcomponents:httpclient:4.4'

in your build.gradle file

Solution 2:

Download HttpClientContext jar, then include it in classpath and then give it a try :)