Thread.sleep(1);
                            session.release();
                        }
                    }
                } catch (Exception e) {
                    if (!e.getMessage().contains("Usage count dropped below zero")) {
                        exceptions.add(e);
                    }
                } finally {
                    endLatch.countDown();
                }

            }
        });

        try {
            jobExecutor.shutdown();
            fail("Expected RuntimeException");
        } catch (RuntimeException e) {
            assertEquals("Test exception", e.getMessage());
        }
    }

    public void test_addShutdownListener_null() {
        // Test adding null listener
        jobExecutor.addShutdownListener(null);
        assertNull(jobExecutor.shutdownListener);

        try {
            thumbnailJob.executeThumbnailGenerator();
            fail("Should throw JobProcessingException");
        } catch (JobProcessingException e) {
            assertTrue(e.getMessage().contains("Thumbnail Process terminated."));
        } catch (NullPointerException e) {
            // May occur if ServletContext is not fully initialized
            // This is acceptable in test environment
        }

            } catch (final UnknownHostException uhe) {
                this.uhe = uhe;
            } catch (final Exception ex) {
                this.uhe = new UnknownHostException(ex.getMessage());
            } finally {
                synchronized (sem) {
                    sem.count--;
                    sem.notify();
                }
            }
        }
    }

            RuntimeCIFSException exception = assertThrows(RuntimeCIFSException.class, () -> {
                Strings.getOEMBytes(TEST_STRING, mockConfig);
            });

            assertTrue(exception.getMessage().contains("Unsupported OEM encoding"), "Exception should mention unsupported encoding");
            assertTrue(exception.getCause() instanceof UnsupportedEncodingException, "Cause should be UnsupportedEncodingException");
        }

        final Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_samba"), Constants.SAMBA));
        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_ftp"), Constants.FTP));
        RenderDataUtil.register(data, "protocolSchemeItems", itemList);
    }

    /**

            // Some invalid queries might be handled gracefully
        } catch (InvalidQueryException e) {
            // This is expected for malformed queries
            assertNotNull(e.getMessage());
            assertTrue(e.getMessage().contains("Invalid query"));
        }
    }

    public void test_build_emptyQuery() {
        QueryContext context = queryHelper.build(SearchRequestType.SEARCH, "", ctx -> {

        try {
            queryRescorer.evaluate(exceptionParams);
            fail("Expected RuntimeException");
        } catch (RuntimeException e) {
            assertEquals("Test exception", e.getMessage());
        }
    }

    public void test_evaluate_concurrency() {
        queryRescorer = new QueryRescorer() {
            private int callCount = 0;

            @Override

        byte[] data = new byte[16];
        Exception exception = assertThrows(GeneralSecurityException.class, () -> KerberosEncData.decrypt(data, key, 99));
        assertEquals("Unsupported encryption type 99", exception.getMessage());
    }

    /**
     * Test getters with null values.
     *
     * @throws IOException if an I/O error occurs
     * @throws PACDecodingException if a PAC decoding error occurs
     */
    @Test

        assertArgumentNotNull("jarFile", jarFile);

        try {
            jarFile.close();
        } catch (final IOException e) {
            logger.log(format("ECL0017", e.getMessage()), e);
        }
    }