return stub.getResponse();
        } catch (Exception e) {
            throw new IOException("Witness heartbeat RPC failed", e);
        }
    }
    
    @Override
    public void close() {
        if (handle != null) {
            try {
                handle.close();
            } catch (Exception e) {
                log.error("Error closing witness RPC handle", e);
            }
        }
    }

                    plugin, project.getRemotePluginRepositories(), session.getRepositorySession());
        } catch (PluginResolutionException e) {
            throw new PluginNotFoundException(plugin, project.getPluginArtifactRepositories());
        } catch (PluginDescriptorParsingException | InvalidPluginDescriptorException e) {
            throw new PluginManagerException(plugin, e.getMessage(), e);
        }

                        Hexdump.hexdump(log, rcv_buf, 0, in.getLength());
                    }

                    response.notify();
                }
            }
        } catch (final SocketTimeoutException ste) {} catch (final Exception ex) {
            if (LogStream.level > 2) {
                ex.printStackTrace(log);
            }
        } finally {
            tryClose();
        }
    }

        assertArgumentNotNull("handler", handler);

        try {
            parser.parse(inputSource, handler);
        } catch (final SAXException e) {
            throw new SAXRuntimeException(e);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Sets a specific property on the base implementation of {@link XMLReader}.

   * despite the @IgnoreJRERequirement annotation there. For details, see ImmutableSortedMultiset.
   */
  private static void closeUnchecked(Closeable closeable) {
    try {
      closeable.close();
    } catch (IOException e) {
      throw new UncheckedIOException(e);
    }
  }

  /**
   * Returns the size of this source in chars, if the size can be easily determined without actually
   * opening the data stream.

        try {
            throw new ContentNotFoundException(parentUrl, url);
        } catch (ContentNotFoundException e) {
            assertEquals("Not Found: http://example.com/child Parent: http://example.com/parent", e.getMessage());
            assertNull(e.getCause());
        } catch (Exception e) {
            fail("Should have caught ContentNotFoundException");
        }
    }

            }
        } catch (final Exception e) {
            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);

                } catch (final Exception e) {
                    logger.warn("Could not close a process output stream.", e);
                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-output-" + sessionId).start();

            try {
                latch.await(10, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {

        TestScriptEngine engine = new TestScriptEngine();
        try {
            scriptEngineFactory.add(null, engine);
            fail("Should throw IllegalArgumentException for null name");
        } catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

    // Test add method with null engine
    public void test_add_nullEngine() {
        try {

        // After 3 failures, account should be locked
        try {
            rateLimiter.checkAttempt(username, ip);
            fail("Should throw SmbException for locked account");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("locked out"), "Should indicate account lockout");
        }
    }

    @Test
    public void testIpRateLimit() throws Exception {