avro-1.6.1/src/main/java/org/apache/avro/reflect/ReflectData.java
avro-1.7.4/src/main/java/org/apache/avro/reflect/ReflectData.java

avro-1.6.1/src/main/java/org/apache/avro/specific/SpecificData.java
avro-1.7.4/src/main/java/org/apache/avro/specific/SpecificData.java

avro-1.6.1/src/main/java/org/apache/avro/util/ClassLoadingUtils.java
avro-1.7.4/src/main/java/org/apache/avro/util/ClassLoadingUtils.java