}
    }

    @Override
    public void printStackTrace(final PrintStream s) {
        super.printStackTrace(s);

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

    @Override
    public void printStackTrace(final PrintWriter s) {
        super.printStackTrace(s);

                            response.getWriter().write(name + "," + value);
                        }
                    }
                } catch (FileUploadException e) {
                    e.printStackTrace();
                }
                HttpConnection.getCurrentConnection().getRequest().setHandled(true);
            }
        }
    }

    }

    /**
     * Test printStackTrace functionality
     */
    public void test_printStackTrace() {
        CrawlerSystemException exception = new CrawlerSystemException("Print stack trace test");

        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        exception.printStackTrace(printWriter);

                            threadSafeManager.addRule(rule);
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        endLatch.countDown();
                    }
                }
            }).start();
        }

        startLatch.countDown();

                                successCount.incrementAndGet();
                            }
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        endLatch.countDown();
                    }
                }
            });
        }

        startLatch.countDown();

            numObInputDoc.set(response.getNumberOfInputDocs());
            latch.countDown();
        }).error(t -> {
            t.printStackTrace();
            latch.countDown();
            fail();
        });
        latch.await();
        assertEquals(num, numObInputDoc.get());