}

        // Next get should return the same instance from cache
        byte[] reused = impl.getBuffer();
        assertSame(b, reused, "Buffer should be reused from cache");
        // And it should still be zeroed
        for (byte value : reused) {
            assertEquals(0, value, "Reused buffer must be zeroed");
        }
    }

                            log.debug("Cannot reuse, signing enforced on connection " + conn);
                        }
                        continue;
                    }

                    if (!conn.getNegotiateResponse().canReuse(tc, forceSigning)) {
                        if (log.isTraceEnabled()) {
                            log.trace("Cannot reuse, different config " + conn);
                        }

```Python
from starlette.exceptions import HTTPException as StarletteHTTPException
```

### Reuse **FastAPI**'s exception handlers { #reuse-fastapis-exception-handlers }

If you want to use the exception along with the same default exception handlers from  **FastAPI**, you can import and reuse the default exception handlers from `fastapi.exception_handlers`:

{* ../../docs_src/handling_errors/tutorial006.py hl[2:5,15,21] *}

        assertFalse(pool.contains(nonPooled), "Non-pooled connection should not be tracked");
    }

    @Test
    @DisplayName("Should create new connections when reuse conditions are not met")
    void testNoConnectionReuse() throws Exception {
        // Given: Create a new pool for this test to ensure isolation
        SmbTransportPoolImpl testPool = new SmbTransportPoolImpl();

 * SMB tree connections and their lifecycle.
 *
 * @author mbechler
 */
public interface SmbTreeHandleInternal extends SmbTreeHandle {

    /**
     * Releases this tree handle back to the pool for reuse
     */
    void release();

    /**
     * Ensures that DFS referrals have been resolved for this tree
     * @throws SmbException if an SMB-specific error occurs

        // Transaction should be ready for reuse
        assertTrue(transaction.hasMoreElements());
    }

    @Test
    @DisplayName("Test reset with key and lastName")
    void testResetWithKeyAndLastName() {
        // Reset with parameters should not throw exception
        assertDoesNotThrow(() -> transaction.reset(123, "testName"));

        // Transaction should be ready for reuse

     *
     * @return a buffer from the cache, or a new one
     */
    byte[] getBuffer();

    /**
     * Return a buffer to the cache
     *
     * @param buf the buffer to return to the cache for reuse
     */
    void releaseBuffer(byte[] buf);

    void testBufferReuse() {
        // Given
        byte[] originalBuffer = testCache.getBuffer();

        // When - release and get again
        testCache.releaseBuffer(originalBuffer);
        byte[] reusedBuffer = testCache.getBuffer();

        // Then
        assertSame(originalBuffer, reusedBuffer, "Released buffer should be reused");
    }

    /**

And it will save the returned value in a <abbr title="A utility/system to store computed/generated values, to reuse them instead of computing them again.">"cache"</abbr> and pass it to all the "dependants" that need it in that specific request, instead of calling the dependency multiple times for the same request.

        byte[] buffer2 = BufferCache.getBuffer();

        // Then - Buffer should be valid
        assertNotNull(buffer2, "Reused buffer should not be null");
        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, buffer2.length, "Reused buffer should have correct size");

        // Note: We don't check if content is cleared as that's not a security requirement