assertArgumentNotNull("method", method);

        try {
            return (T) method.invoke(target, args);
        } catch (final InvocationTargetException ex) {
            final Throwable t = ex.getCause();
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            }
            if (t instanceof Error) {
                throw (Error) t;
            }

              + " from "
              + invokable
              + Arrays.toString(params)
              + " for "
              + testedClass);
    } catch (InvocationTargetException e) {
      Throwable cause = e.getCause();
      if (policy.isExpectedType(cause)) {
        return;
      }
      throw new AssertionError(
          String.format(

      // requireNonNull is safe because ExampleStackTrace sets a non-null message.
      StringBuilder message = new StringBuilder(requireNonNull(super.getMessage()));
      for (Throwable t = conflictingStackTrace; t != null; t = t.getCause()) {
        message.append(", ").append(t.getMessage());
      }
      return message.toString();
    }
  }

  /**

            return def;
        }
        String msg = error.getMessage();
        if (msg != null && !msg.isEmpty()) {
            return msg;
        }
        return getMessage(error.getCause(), def);
    }

    private ArtifactRepositoryLayout getLayout(String id) {
        ArtifactRepositoryLayout layout = layouts.get(id);

        if (layout == null) {

              + " from "
              + invokable
              + Arrays.toString(params)
              + " for "
              + testedClass);
    } catch (InvocationTargetException e) {
      Throwable cause = e.getCause();
      if (policy.isExpectedType(cause)) {
        return;
      }
      throw new AssertionError(
          String.format(

            try (final InputStream is = new BufferedInputStream(responseData.getResponseBody())) {
                out.write(is);
            } catch (final IOException e) {
                if (!(e.getCause() instanceof ClientAbortException)) {
                    throw new FessSystemException("Failed to write a content. configId: " + configId + ", url: " + url, e);
                }
            } finally {

          }
        }

        // at this point e is either null or expired;
        return lockedGetOrLoad(key, hash, loader);
      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }

            client.execute(RequestDataBuilder.newRequestData().get().url(url).build());
            fail();
        } catch (final MultipleCrawlingAccessException e) {
            // ok
            final Throwable[] causes = e.getCauses();
            assertEquals(5, causes.length);
        }
        assertEquals(1, testListener.startCount);
        assertEquals(5, testListener.requestCount);
        assertEquals(5, testListener.exceptionCount);

        int count = 1;
        for (final Throwable t : throwables) {
            s.println("Caused " + count + ":");
            t.printStackTrace(s);
            count++;
        }
    }

    public Throwable[] getCauses() {
        return throwables;
    }

        org.slf4j.Logger l = context.loggerFactory.getLogger(this.getClass().getName());
        context.logger = (level, message, error) -> l.atLevel(org.slf4j.event.Level.valueOf(level.name()))
                .setCause(error)
                .log(message);

        return container;
    }

    protected Set<String> collectExportedArtifacts(