TestAuthenticationChain chain2 = new TestAuthenticationChain();
        TestAuthenticationChain chain3 = new TestAuthenticationChain();

        chain1.loadResult = user1;
        chain2.loadResult = user2;
        chain3.loadResult = user3;

        authenticationManager.addChain(chain1);
        authenticationManager.addChain(chain2);

        User user3 = createTestUser("user3", "User Three");

        chain.update(user1);
        chain.update(user2);
        chain.update(user3);

        assertEquals(3, chain.updateCalls.size());
        assertEquals(user1, chain.updateCalls.get(0));
        assertEquals(user2, chain.updateCalls.get(1));
        assertEquals(user3, chain.updateCalls.get(2));
    }

    // Test update with exception handling

        TestFilterChain chain = new TestFilterChain();

        manager.process(request, response, chain);

        assertTrue(manager.isProcessCalled());
        assertFalse(chain.wasDoFilterCalled());
    }

    public void test_process_withChainContinuation() throws IOException, ServletException {
        // Test process with chain continuation

        final ReadingConverterChain chain = new ReadingConverterChain();
        chain.addConverter(new AnalyzerConverter(client, settings));
        chain.addConverter(new KatakanaToAlphabetConverter());
        return chain;
    }

    /**
     * Creates a default ReadingConverterChain with a KatakanaToAlphabetConverter.
     *

        try {
            webApiFilter.doFilter(request, response, chain);
            fail("Expected IOException");
        } catch (IOException e) {
            assertEquals("Chain IOException", e.getMessage());
        } catch (ServletException e) {
            fail("Unexpected ServletException: " + e.getMessage());
        }
    }

    // Test doFilter when chain.doFilter throws ServletException

    )
    fun getLevel(): Level = level

    @Throws(IOException::class)
    override fun intercept(chain: Interceptor.Chain): Response {
      val level = this.level

      val request = chain.request()
      if (level == Level.NONE) {
        return chain.proceed(request)
      }

      val logBody = level == Level.BODY
      val logHeaders = logBody || level == Level.HEADERS

          connectionPool = connectionPool,
          readTimeoutMillis = client.readTimeoutMillis,
          writeTimeoutMillis = client.writeTimeoutMillis,
          socketConnectTimeoutMillis = chain.connectTimeoutMillis,
          socketReadTimeoutMillis = chain.readTimeoutMillis,
          pingIntervalMillis = client.pingIntervalMillis,
          retryOnConnectionFailure = client.retryOnConnectionFailure,
          fastFallback = client.fastFallback,

        this.mid = mid;
    }

    /**
     * Chains another message to this message for compound operations.
     *
     * @param n the message to chain
     * @return whether chaining was successful
     */
    public boolean chain(final ServerMessageBlock2 n) {
        if (this.next != null) {
            return this.next.chain(n);
        }

        n.addFlags(SMB2_FLAGS_RELATED_OPERATIONS);

        // Test multi-level exception chain
        Throwable level3 = new NullPointerException("Null value");
        Throwable level2 = new IllegalStateException("Invalid state", level3);
        Throwable level1 = new RuntimeException("Runtime error", level2);
        PluginException exception = new PluginException("Plugin failure", level1);

        // Verify the complete chain

            CommonServerMessageBlockRequest last = null;
            CommonServerMessageBlockRequest chain = curHead;
            while (chain != null) {
                n++;
                final int size = chain.size();
                final int cost = chain.getCreditCost();
                final CommonServerMessageBlockRequest next = chain.getNext();
                if (log.isTraceEnabled()) {