java.io.PrintStream ps = new java.io.PrintStream(baos);
            exception.printStackTrace(ps);

            String output = baos.toString();
            assertNotNull(output);
            assertTrue(output.contains("DictionaryExpiredException"));
        } catch (Exception e) {
            fail("printStackTrace should not throw exception");
        }
    }

        StringBuilder buf = new StringBuilder();
        // Create an exception that might cause issues during processing
        Exception exception = new Exception() {
            @Override
            public void printStackTrace(java.io.PrintWriter writer) {
                // Simulate a normal stack trace output
                writer.println("Special test exception");
                writer.flush();
            }
        };

        }

        String throwableStr = null;
        final Throwable thrown = event.getThrown();
        if (thrown != null) {
            final StringWriter sw = new StringWriter();
            thrown.printStackTrace(new PrintWriter(sw));
            throwableStr = sw.toString();
            if (throwableStr.length() > MAX_THROWABLE_LENGTH) {
                throwableStr = throwableStr.substring(0, MAX_THROWABLE_LENGTH);
            }

        if (logger == null) {
            System.err.println(message);
            if (showStackTrace && e != null) {
                e.printStackTrace(System.err);
            }
            return;
        }
        if (showStackTrace) {
            logger.error(message, e);
        } else {
            logger.error(message);

   * wrapping it in an AssertionFailedError if necessary.
   */
  final void threadUnexpectedException(Throwable t) {
    threadRecordFailure(t);
    t.printStackTrace();
    if (t instanceof RuntimeException) {
      throw (RuntimeException) t;
    } else if (t instanceof Error) {
      throw (Error) t;
    } else {

   * wrapping it in an AssertionFailedError if necessary.
   */
  final void threadUnexpectedException(Throwable t) {
    threadRecordFailure(t);
    t.printStackTrace();
    if (t instanceof RuntimeException) {
      throw (RuntimeException) t;
    } else if (t instanceof Error) {
      throw (Error) t;
    } else {

    }

    @Override
    public void finalizeReferent() {
      references.remove(this);
      try {
        state.reset();
      } catch (Throwable t) {
        t.printStackTrace(System.err);
      }
    }
  }

  private static final class FbosByteSource extends ByteSource {
    final State state;

    FbosByteSource(State state) {
      this.state = state;
    }

            .url("http://publicobject.com/helloworld.txt")
            .build()

        client.newCall(request).enqueue(object : Callback {
          override fun onFailure(call: Call, e: IOException) {
            e.printStackTrace()
          }

          override fun onResponse(call: Call, response: Response) {
            response.use {
              if (!response.isSuccessful) throw IOException("Unexpected code $response")

            } else {
                buf.append(t.getMessage());
            }
            try (final StringWriter sw = new StringWriter(); final PrintWriter pw = new PrintWriter(sw)) {
                t.printStackTrace(pw);
                pw.flush();
                buf.append(" [ ").append(sw.toString()).append(" ]");
            } catch (final IOException e) {

      PrintWriter writer = new PrintWriter(message);
      writer.println("Expected no failures, but found:");
      for (AssertionError failure : failures) {
        failure.printStackTrace(writer);
      }
      failures.clear();
      assertWithMessage(message.toString()).fail();
    }
  }

  static final class TestCloseable implements Closeable {