assertArgumentNotNull("is", is);
        assertArgumentNotEmpty("encoding", encoding);

        try {
            return new InputStreamReader(is, encoding);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Creates a {@link Reader} to read from a file with the default encoding.
     *
     * @param file

                finalResults.add(result);
                break;
              } catch (ExecutionException e) {
                finalResults.add(e.getCause());
                break;
              } catch (CancellationException e) {
                finalResults.add(CancellationException.class);
                break;
              } catch (TimeoutException e) {
                // loop
              }
            }

                } catch (final MalformedURLException e) {
                    log.error("Failed to create child URL", e);
                    continue;
                }
            }
            try (SmbResource nr = adapt(n)) {
                if (!this.filter.accept(nr)) {
                    continue;
                }
                return nr;
            } catch (final CIFSException e) {

        // Note: isTarget requires FessConfig which needs container
        // We can only verify the method handles missing container gracefully
        try {
            generator.isTarget(docMap);
        } catch (IllegalStateException e) {
            // Expected when container is not initialized
            assertTrue(e.getMessage().contains("Not initialized"));
        }
    }

    public void test_addCondition() {

    val snapshot: DiskLruCache.Snapshot =
      try {
        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

            // clear url filter
            urlFilterService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter for {}", sid, e);
        }

        try {
            // clear queue
            urlQueueService.clearCache();
            urlQueueService.delete(sid);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlQueue for {}", sid, e);

                    } catch (IOException e) {
                        getLogger()
                                .debug("Error releasing exclusive lock for resolution tracking file: " + touchfile, e);
                    }
                }

                if (channel != null) {
                    try {
                        channel.close();
                    } catch (IOException e) {

      return certificates.single() as X509Certificate
    } catch (e: NoSuchElementException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    } catch (e: IllegalArgumentException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    } catch (e: GeneralSecurityException) {
      throw IllegalArgumentException("failed to decode certificate", e)
    }

            .socket(sslSocket.asBufferedSocket(), sslSocket.peerName())
            .listener(this)
            .build()
        connection.start()
      } catch (e: IOException) {
        logger.log(Level.INFO, "Http2Server connection failure: $e")
        socket?.closeQuietly()
      } catch (e: Exception) {
        logger.log(Level.WARNING, "Http2Server unexpected failure", e)
        socket?.closeQuietly()
      }
    }
  }

        String expectedMessage = "LDAP authentication failed";
        try {
            throw new LdapOperationException(expectedMessage);
        } catch (LdapOperationException e) {
            assertEquals(expectedMessage, e.getMessage());
            assertNull(e.getCause());
        } catch (Exception e) {
            fail("Should have caught LdapOperationException");
        }
    }