I think you should change your java JDK change jvm v8 for jdk7. This link can help you:
Is it possible to use Java 8 for Android development?
Other possible issue its dependency error, clean gradle before build. And change your jackson library for this:
compile 'com.fasterxml.jackson.core:jackson-databind:2.2.+'
compile 'com.fasterxml.jackson.core:jackson-core:2.2.+'
compile 'com.fasterxml.jackson.core:jackson-annotations:2.2.+'