DAGClientTimelineImpl uses ReflectiveOperationException (which has JDK 1.7 dependency)

INFO] — maven-compiler-plugin:3.1:compile (default-compile) @ tez-api —
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 126 source files to /home/jenkins/jenkins-slave/workspace/Tez-Build/tez-api/target/classes
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[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/jenkins/jenkins-slave/workspace/Tez-Build/tez-api/src/main/java/org/apache/tez/dag/api/client/DAGClientTimelineImpl.java:[451,14] cannot find symbol
symbol : class ReflectiveOperationException
location: class org.apache.tez.dag.api.client.DAGClientTimelineImpl
[INFO] 1 error
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