[HUDI-4218] [HUDI-4218] Expose the real exception information when an exception occurs in the tableExists method (#5827)

hudi-utilities/src/main/java/org/apache/hudi/utilities/UtilHelpers.java

@@ -403,7 +403,7 @@ public class UtilHelpers {
       statement.setQueryTimeout(Integer.parseInt(options.get(JDBCOptions.JDBC_QUERY_TIMEOUT())));
       statement.executeQuery();
     } catch (SQLException e) {
-      return false;
+      throw new HoodieException(e);
     }
     return true;
   }