NoSuchMethodError thrown when executing Groovy script

v2.5.x is for Java 1.7.

GROOVY_2_5_X branch has a method called getOrDefault that raises NoSuchMethodError because Map.getOrDefault was introduced in Java 1.8.

https://github.com/apache/groovy/blob/GROOVY_2_5_X/src/main/java/org/codehaus/groovy/ast/tools/GenericsUtils.java#L426C66-L426C78

https://github.com/apache/groovy/commit/ccfd6053d1b52488577bcdb2ee4693b1cf907f10#diff-44c9e077575ae7093626dbc9bb5f59df0483975e7af0b87f62dc4a98aa5f4ecbR426

https://docs.oracle.com/javase/7/docs/api/java/lang/NoSuchMethodError.html

https://docs.oracle.com/javase/8/docs/api/java/util/Map.html#getOrDefault-java.lang.Object-V-