* properly. Apparatus is provided to send and receive requests
 * concurrently.
 */

/**
 * Abstract base class for network transport implementations in JCIFS.
 * This class handles the low-level transport protocol for SMB communication.
 */
public abstract class Transport implements Runnable, AutoCloseable {

    /**
     * Default constructor for Transport
     */
    protected Transport() {

        when(handle.hasCapability(anyInt())).thenReturn(true);

        // Act: perform a series of calls to verify order
        handle.ensureDFSResolved();
        handle.hasCapability(7);
        handle.release();

        // Assert: verify they happened in order
        InOrder inOrder = inOrder(handle);
        inOrder.verify(handle).ensureDFSResolved();
        inOrder.verify(handle).hasCapability(7);

        when(handle.isValid()).thenReturn(true);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

        sut.close();

        verify(handle, times(1)).close(0L);
    }

    // close() should do nothing when handle is invalid
    @Test
    @DisplayName("close() does nothing when handle invalid")

        assertFalse(target.isOpen());
        assertFalse(target.isStale());

        // After ensureOpen, handle valid -> open
        SmbFileHandleImpl fh = target.ensureOpen();
        assertSame(fileHandle, fh);
        assertTrue(target.isOpen());
        assertFalse(target.isStale());

        // If handle becomes invalid, reflect stale

            activeLogger.level = Level.FINE
            handler.level = Level.FINE
            handler.formatter = MessageFormatter
            activeLogger.addHandler(handler)
          }

          if (sslDebug) {
            val activeLogger = getLogger("javax.net.ssl")

            activeLogger.level = Level.FINEST
            handler.level = Level.FINEST
            handler.formatter = MessageFormatter

        ArtifactHandler handler = allHandlers.get(type);
        if (handler == null) {
            handler = artifactHandlers.get(type);
            if (handler == null) {
                handler = new DefaultArtifactHandler(type);
            } else {
                allHandlers.put(type, handler);
            }
        }
        return handler;
    }

你將會改而得到文字版：

```
Validation errors:
Field: ('path', 'item_id'), Error: Input should be a valid integer, unable to parse string as an integer
```

### 覆寫 `HTTPException` 的錯誤處理器 { #override-the-httpexception-error-handler }

同樣地，你也可以覆寫 `HTTPException` 的處理器。

例如，你可能想在這些錯誤時回傳純文字而非 JSON：

{* ../../docs_src/handling_errors/tutorial004_py310.py hl[3:4,9:11,25] *}

/// note | 技術細節

        when(nego.isSigningNegotiated()).thenReturn(true);

        assertEquals(1111, handle.getSendBufferSize());
        assertEquals(2222, handle.getReceiveBufferSize());
        assertEquals(3333, handle.getMaximumBufferSize());
        assertTrue(handle.areSignaturesActive());

        verify(session, times(4)).close();
        verify(transport, times(4)).close();
    }

/**
 * Handle for Security Account Manager (SAM) domain operations.
 * This class represents an open handle to a SAM domain and provides
 * operations for managing domain users, groups, and aliases.
 */
public class SamrDomainHandle extends rpc.policy_handle {

    DcerpcHandle handle;

    /**
     * Creates a new SAM domain handle.
     *
     * @param handle the DCE/RPC handle for communication

import jcifs.smb1.smb1.SmbException;

/**
 * Handle for Security Account Manager (SAM) policy operations.
 * This class represents an open handle to a SAM server and provides
 * high-level access to SAM database operations.
 */
public class SamrPolicyHandle extends rpc.policy_handle {

    DcerpcHandle handle;

    /**
     * Creates a new SAM policy handle.
     *
     * @param handle the DCE/RPC handle for communication