builder.flush();
            try (OutputStream out = builder.getOutputStream()) {
                stats = ((ByteArrayOutputStream) out).toString(Constants.UTF_8);
            }
        } catch (final Exception e) {
            appendException(buf, e).append(',');
        }
        buf.append("\"search_engine\":").append(stats).append(',');
    }

            }
            throw new CurlException("Failed to access the content.");
        }
        try {
            return new String(contentCache.getContentAsBytes(), encoding);
        } catch (final Exception e) {
            throw new CurlException("Failed to access the content.", e);
        }
    }

    /**
     * Gets the content of the response as an InputStream.
     *

     */
    public void testCreateCustomFilter_NullPatterns() {
        try {
            SerializeUtil.createCustomFilter(null);
            fail("Expected IllegalArgumentException");
        } catch (final IllegalArgumentException e) {
            // Expected
        }
    }

    /**
     * Test serialization with empty array
     *
     * @throws Exception
     */

---

## FastAPI 迷你紀錄片 { #fastapi-mini-documentary }

在 2025 年底發布了一支 [FastAPI 迷你紀錄片](https://www.youtube.com/watch?v=mpR8ngthqiE)，你可以在線上觀看：

<a href="https://www.youtube.com/watch?v=mpR8ngthqiE"><img src="https://fastapi.tiangolo.com/img/fastapi-documentary.jpg" alt="FastAPI Mini Documentary"></a>

## **Typer**，命令列的 FastAPI { #typer-the-fastapi-of-clis }

*   Custom resources served by CustomResourceDefinition objects now support field selectors for `metadata.name` and `metadata.namespace`. Also fixed an issue with watching a single object; earlier versions could watch only a collection, and so a watch on an instance would fail.  ([#53345](https://github.com/kubernetes/kubernetes/pull/53345),[ @ncdc](https://github.com/ncdc))

#### **Other**

          callback.onFailure(failure);
          return;
        }
      }
      V value;
      try {
        value = getDone(future);
      } catch (ExecutionException e) {
        callback.onFailure(e.getCause());
        return;
      } catch (Throwable e) {
        // Any Exception is either a RuntimeException or sneaky checked exception.
        callback.onFailure(e);
        return;
      }

            result.setUpdatedTime(DfTypeUtil.toLong(source.get("updatedTime")));
            result.setVirtualHosts(toStringArray(source.get("virtualHosts")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

            result.setValue(DfTypeUtil.toString(source.get("value")));
            result.setVirtualHost(DfTypeUtil.toString(source.get("virtualHost")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

            // Single zero should not be compressed
            assertEquals("2001:db8:1:0:2:3:4:5", method.invoke(null, "2001:0db8:1:0:2:3:4:5"));
        } catch (Exception e) {
            // If reflection fails, skip this test
        }
    }

    @Test
    public void testIsIPv6Address() {
        // IPv6 addresses
        assertTrue(IpAddressUtil.isIPv6Address("::1"));

            }
            if (log.isTraceEnabled()) {
                log.trace("Got subject " + s);
            }

            this.cachedSubject = s;
            return this.cachedSubject;
        } catch (LoginException e) {
            log.error("Failed to create login context", e);
            // Cache null to ensure consistent behavior across calls
            this.cachedSubject = null;
            return null;