Check if destroyAllNow is available before calling.

lib/dialects/abstract/connection-manager.js

@@ -48,10 +48,9 @@ ConnectionManager.prototype.onProcessExit = function() {
 
   if (this.pool) {
     this.pool.drain(function() {
-      if (self.pool.read) self.pool.read.destroyAllNow();
-      if (self.pool.write) self.pool.write.destroyAllNow();
-
-      self.pool.destroyAllNow();
+      if (self.pool.destroyAllNow) self.pool.destroyAllNow();
+      if (self.pool.read && self.pool.read.destroyAllNow) self.pool.read.destroyAllNow();
+      if (self.pool.write && self.pool.write.destroyAllNow) self.pool.write.destroyAllNow();
     });
   }
 };