doThrow(new IOException("Close network error")).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarClose.class));

        // Act & Assert
        IOException thrown = assertThrows(IOException.class, () -> {
            handle.close();
        });

        assertEquals("Close network error", thrown.getMessage());

            failingFactory.destroyObject(pooledObject);
            fail("Should throw exception from close()");
        } catch (Exception e) {
            // Expected - exception should propagate from close()
            assertTrue(e.getMessage().contains("Intentional close failure"));
        }

        // Verify close was attempted
        assertTrue(component.isCloseCalled());
    }

    /**

import jcifs.dcerpc.msrpc.lsarpc.LsarClose;

/**
 * Microsoft RPC LSA close handle request.
 * This class implements the LSARPC close handle operation.
 */
public class MsrpcLsarClose extends LsarClose {

    /**
     * Creates a new request to close an LSA policy handle.
     *
     * @param handle the policy handle to close
     */
    public MsrpcLsarClose(final policy_handle handle) {
        super(handle);

	close(connReady)

	defer func() {
		local.debugMsg(debugShutdown)
		remote.debugMsg(debugShutdown)
		remoteServer.Close()
		localServer.Close()
		remote.debugMsg(debugWaitForExit)
		local.debugMsg(debugWaitForExit)
	}()

	cleanReqs := make(chan struct{})
	gotCall := make(chan struct{})
	defer close(cleanReqs)
	// 1: Block forever

	kexAlgoDH1SHA1,
}

// supportedPubKeyAuthAlgos specifies the supported client public key
// authentication algorithms. Note that this doesn't include certificate types
// since those use the underlying algorithm. This list is sent to the client if
// it supports the server-sig-algs extension. Order is irrelevant.
// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=142

	11, ':', 'e', 'v', 'e', 'n', 't', '-', 't', 'y', 'p', 'e', 7, 0, 7, 'R', 'e', 'c', 'o', 'r', 'd', 's',
}

const (
	// Chosen for compatibility with AWS JAVA SDK
	// It has a buffer size of 128K:
	// https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/eventstreaming/MessageDecoder.java#L26

    url =
      serverIpv4
        .url("/")
        .newBuilder()
        .host("localhost")
        .build()
  }

  @AfterEach
  internal fun tearDown() {
    serverIpv4.close()
    serverIpv6.close()
  }

  @Test
  fun callIpv6FirstEvenWhenIpv4IpIsListedFirst() {
    dnsResults =
      listOf(
        localhostIpv4,
        localhostIpv6,
      )
    serverIpv4.enqueue(

            Please report it to @gradle/bt-support team
          days-before-issue-close: -1
          close-issue-message: >
            **BUG!** This issue should not be closed by the "stale" workflow.
            Please report it to @gradle/bt-support team
          close-issue-reason: not_planned

          # PULL REQUESTS -----------------------------------------------------

		}
	}
	return rsc.reader.Read(p)
}

// Close call to implement io.Closer. Calling Read/Seek after Close reopens the
// object for reading and a subsequent Close call is required to ensure
// resources are freed.
func (rsc *ObjectReadSeekCloser) Close() error {
	rsc.closerOnce.Do(func() {
		if rsc.reader != nil {
			rsc.closerErr = rsc.reader.Close()
			rsc.reader = nil
		}
	})
	return rsc.closerErr

    } finally {
      closer.close();
    }
  }

  /**
   * Concatenates multiple {@link CharSource} instances into a single source. Streams returned from
   * the source will contain the concatenated data from the streams of the underlying sources.
   *
   * <p>Only one underlying stream will be open at a time. Closing the concatenated stream will
   * close the open underlying stream.
   *