}

    // Test run method with null DataService
    public void test_run_nullDataService() {
        indexUpdater.dataService = null;
        try {
            indexUpdater.run();
            fail("Should throw FessSystemException");
        } catch (FessSystemException e) {
            assertEquals("DataService is null.", e.getMessage());
        }
    }

      // previous one completes.
      if (get() == RunningState.CANCELLED) {
        delegate = null;
        sequencer = null;
        return;
      }
      submitting = Thread.currentThread();

      try {
        /*
         * requireNonNull is safe because we don't null out `sequencer` except:
         *
         * - above, where we return (in which case we never get here)
         *

    return Types.newParameterizedTypeWithOwner(
        resolvedOwner, (Class<?>) resolvedRawType, resolvedArgs);
  }

  private static <T> T expectArgument(Class<T> type, Object arg) {
    try {
      return type.cast(arg);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(arg + " is not a " + type.getSimpleName());
    }
  }

    // first as suppressed exceptions. We don't catch Error on the grounds that it should be allowed
    // to propagate immediately.
    Exception exception = null;
    for (BaseStream<?, ?> stream : toClose) {
      try {
        stream.close();
      } catch (Exception e) { // sneaky checked exception
        if (exception == null) {
          exception = e;
        } else {
          exception.addSuppressed(e);
        }

    }

    default int getSystemPropertyAsInt(final String key, final int defaultValue) {
        final String value = getSystemProperty(key);
        if (value != null) {
            try {
                return Integer.parseInt(value);
            } catch (final NumberFormatException e) {
                // ignore
            }
        }
        return defaultValue;
    }

        ComponentUtil.register(systemHelper, "systemHelper");
        ComponentUtil.setFessConfig(fessConfig);

        // Execute and expect exception to be handled
        try {
            String result = pingSearchEngineJob.execute();
            // Job should handle exception gracefully
            assertNotNull(result);
        } catch (Exception e) {

        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.access = openFlags >>> 16 & 0xFFFF;
        if (append) {
            try {
                fp = file.length();
            } catch (final SmbAuthException sae) {
                throw sae;
            } catch (final SmbException se) {
                fp = 0L;
            }
        }

        accessResultDataImpl.setData(value.getBytes(Constants.UTF_8));
        accessResultDataImpl.setEncoding(Constants.UTF_8);
        accessResultDataImpl.setTransformerName("transformer");

        try {
            final Object obj = xmlTransformer.getData(accessResultDataImpl);
            fail();
        } catch (final CrawlerSystemException e) {}
    }

    public void test_getData_nullData() throws Exception {

            throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadProtwordsFile(GLOBAL));
            return null;
        });
        try (InputStream inputStream = form.synonymFile.getInputStream()) {
            file.update(inputStream);
        } catch (final IOException e) {
            logger.warn("Failed to process a request.", e);

      it is ConnectionAcquired ||
      it is ConnectionReleased ||
      it is Canceled ||
      it is RequestFailed ||
      it is ResponseFailed

  private fun sleep(delayMillis: Int) {
    try {
      Thread.sleep(delayMillis.toLong())
    } catch (e: InterruptedException) {
      Thread.currentThread().interrupt()
    }
  }

  private fun cancelLater(
    call: Call,
    delayMillis: Int,