verify(transport).ensureConnected();
    }

    // Error case: ensureConnected throws IOException
    @Test
    @DisplayName("ensureConnected throws IOException on failure")
    void ensureConnected_throwsIOException() throws Exception {
        doThrow(new java.io.IOException("connect failed")).when(transport).ensureConnected();

# Application Exception
# ---------------------
# /- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Logowanie nie powiodło się.
errors.app.illegal.transition = Nieprawidłowe przejście. Spróbuj ponownie.
errors.app.db.already.deleted = Mogło zostać już usunięte przez inny proces. Spróbuj ponownie.

        return;
      }

      oldRunCount = workerRunCount;

      // If the worker is not yet running, the delegate Executor might reject our attempt to start
      // it. To preserve FIFO order and failure atomicity of rejected execution when the same
      // Runnable is executed more than once, allocate a wrapper that we know is safe to remove by
      // object identity.

        return;
      }

      oldRunCount = workerRunCount;

      // If the worker is not yet running, the delegate Executor might reject our attempt to start
      // it. To preserve FIFO order and failure atomicity of rejected execution when the same
      // Runnable is executed more than once, allocate a wrapper that we know is safe to remove by
      // object identity.

                alternativeChannel.getTransport().send(op);
            } catch (Exception e) {
                log.error("Failed to redistribute operation", e);
                // Notify waiting threads of failure
                op.notifyError(e);
            }
        }
    }
    
    private void scheduleRecovery(ChannelInfo channel, FailoverState state) {
        state.incrementRetry();
        

            // Host is empty -> triggers master browser path
            URL anyUrlWithEmptyHost = new URL("file:/");
            when(locator.getURL()).thenReturn(anyUrlWithEmptyHost);
            // Simulate failure to find master browser (UnknownHost wrapped in CIFSException)
            when(locator.getAddress()).thenThrow(new CIFSException("no master", new UnknownHostException("MB")));

        BAD_REQUEST(1),
        /** System error status indicating server error. */
        SYSTEM_ERROR(2),
        /** Unauthorized status indicating authentication failure. */
        UNAUTHORIZED(3),
        /** General failure status. */
        FAILED(9);

        private final int id;

        Status(final int id) {
            this.id = id;
        }

        /**

   *   Iterator<E> i = queue.iterator(); // Must be in synchronized block
   *   while (i.hasNext()) {
   *     foo(i.next());
   *   }
   * }
   * }
   *
   * <p>Failure to follow this advice may result in non-deterministic behavior.
   *
   * <p>The returned queue will be serializable if the specified queue is serializable.
   *

                    }
                } else if (line.startsWith(DISABLE_URL_ENCODE)) {
                    urlEncodeDisabled.set(true);
                }
            }));

            // failure url
            final List<String> excludedUrlList = ComponentUtil.getCrawlingConfigHelper().getExcludedUrlList(webConfig.getConfigId());
            if (excludedUrlList != null) {

ECL0015=argument[{0}] which is null the index of array exceed the size of array[{1}].
ECL0016=key[{0}] is not included in this BeanMap : {1}.
ECL0017=Exception occurred, because {0}
ECL0041={0}''s creation failure, because {1}
ECL0040=IOException occurred, because {0}
ECL0042=An illegal access was generated by {0}, because {1}
ECL0043=The target which {0} invoked is illegal, because {1}
ECL0044=Class not found, details are {0}