try {
        systemLoader = ClassLoader.getSystemClassLoader();
      } catch (SecurityException e) {
        logger.info("Not allowed to access system class loader.");
        return null;
      }
      if (systemLoader != null) {
        try {
          return systemLoader.loadClass(FINALIZER_CLASS_NAME);
        } catch (ClassNotFoundException e) {
          // Ignore. Finalizer is simply in a child class loader.

        } catch (final LlmException e) {
            caught = true;
            assertEquals("Test exception", e.getMessage());
        }
        assertTrue(caught);
    }

    @Test
    public void test_catchAsFessSystemException() {
        boolean caught = false;
        try {
            throw new LlmException("Test exception");
        } catch (final FessSystemException e) {

          v0(),
          putIfAbsent(e0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_unsupportedPresentDifferentValue() {
    try {
      getMap().putIfAbsent(k0(), v3());
    } catch (UnsupportedOperationException tolerated) {
    }

            Files.createDirectories(resumeProperties.getParent());
            try (Writer writer = Files.newBufferedWriter(resumeProperties)) {
                properties.store(writer, null);
            }
        } catch (IOException e) {
            String message = "Could not create " + RESUME_PROPERTIES_FILENAME + " file.";
            throw new BuildResumptionPersistenceException(message, e);
        }
    }

      } catch (IllegalStateException expected) {
      }
    }
    assertThat(hp.getHost()).isEqualTo(expectHost);

    // Check the post-withDefaultPort() instance (if any).
    if (!badDefaultPort) {
      try {
        int port = hp2.getPort();
        assertTrue(expectPort != -1);
        assertEquals(expectPort, port);
      } catch (IllegalStateException e) {

            } catch (InvalidRepositoryException e) {
                // do nothing for now
            }
        }

        for (Repository pluginRepository : settings.getPluginRepositories()) {
            try {
                request.addPluginArtifactRepository(MavenRepositorySystem.buildArtifactRepository(pluginRepository));
            } catch (InvalidRepositoryException e) {

        try {
            throw new CommandExecutionException(expectedMessage);
        } catch (CommandExecutionException e) {
            assertEquals(expectedMessage, e.getMessage());
            assertNull(e.getCause());
        } catch (Exception e) {
            fail("Should have caught CommandExecutionException");
        }
    }

    @Test

          int unused = IntMath.checkedAdd(a, b);
          return true;
        } catch (ArithmeticException e) {
          return false;
        }
      }

      @Override
      public boolean noAddOverflow(long a, long b) {
        try {
          long unused = LongMath.checkedAdd(a, b);
          return true;
        } catch (ArithmeticException e) {
          return false;
        }
      }

      @Override

      () -> {
        try {
          MILLISECONDS.sleep(DELAY_MS);
        } catch (InterruptedException e) {
          throw new RuntimeException(e);
        }
      };
  private static final Runnable BAD_RUNNABLE =
      () -> {
        try {
          MILLISECONDS.sleep(DELAY_MS);
        } catch (InterruptedException e) {
          throw new RuntimeException(e);
        }

          int unused = IntMath.checkedAdd(a, b);
          return true;
        } catch (ArithmeticException e) {
          return false;
        }
      }

      @Override
      public boolean noAddOverflow(long a, long b) {
        try {
          long unused = LongMath.checkedAdd(a, b);
          return true;
        } catch (ArithmeticException e) {
          return false;
        }
      }

      @Override