Beispiel #1
0
 /**
  * Attempts to start a DataNode with the given operation. Starting the DataNode should throw an
  * exception.
  */
 void startDataNodeShouldFail(StartupOption operation) {
   try {
     cluster.startDataNodes(conf, 1, false, operation, null); // should fail
     throw new AssertionError("DataNode should have failed to start");
   } catch (Exception expected) {
     // expected
     assertFalse(cluster.isDataNodeUp());
   }
 }