protected void handleException(Throwable e, Connection conn, int retryCount,
      boolean finalAttempt) {
    handleException(e, conn, retryCount, finalAttempt, false, cancelCriterion, endpointManager);
  }
This method will throw an exception if we need to stop the connection manager if there are
failures.
geode-core/src/main/java/org/apache/geode/cache/client/internal/OpExecutorImpl.java