this.parent = parent;
        this.wildcard = wildcard;
        this.nameFilter = filter;
        this.searchAttributes = searchAttributes;

        this.treeHandle = th.acquire();
        try {
            this.next = open();
            if (this.next == null) {
                doClose();
            }
        } catch (final Exception e) {
            doClose();
            throw e;

    /**
     * Acquires a reference to this transport, incrementing the usage count.
     *
     * @return session increased usage count
     */
    public Transport acquire() {
        final long usage = this.usageCount.incrementAndGet();
        if (log.isTraceEnabled()) {
            log.trace("Acquire transport " + usage + " " + this);
        }
        return this;

        doNothing().when(trans2).close();

        when(trans1.unwrap(SmbTransportImpl.class)).thenReturn(trans1);
        when(trans1.ensureConnected()).thenReturn(true);
        when(trans1.acquire()).thenReturn(trans1);
        doNothing().when(trans1).close();

        // Return mocked transports
        doReturn(trans1).when(poolSpy).getSmbTransport(eq(ctx), eq(addr1), anyInt(), anyBoolean(), anyBoolean());

    @Mock
    private Configuration config;

    @Mock
    private CIFSContext cifsContext;

    @BeforeEach
    void setup() {
        // Tree handle lifecycle and config
        lenient().when(tree.acquire()).thenReturn(tree);
        lenient().when(tree.isConnected()).thenReturn(true);

        // CIFS context returns same config to build responses during initResponse

     */
    @Test
    public void testSessionManagementConcurrentPerformance() throws Exception {
        SmbTransportImpl mockTransport = Mockito.mock(SmbTransportImpl.class);
        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);

        SmbSessionImpl session = new SmbSessionImpl(mockContext, "testhost", "testdomain", mockTransport);

        int threadCount = 10;
        int operationsPerThread = 200;

        when(tree.areSignaturesActive()).thenReturn(false);
        when(tree.isSMB2()).thenReturn(smb2);

        when(file.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(fh);
        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);
        when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);
        when(fh.getFid()).thenReturn(1);

        // Optimization: Check connection validity more efficiently
        if (this.treeHandle != null && this.treeHandle.isConnected()) {
            // Connection is still valid - reuse it
            return this.treeHandle.acquire();
        }

        // Clean up old handle if needed
        final SmbTreeHandleImpl oldHandle = this.treeHandle;
        if (oldHandle != null) {

/**
 * Abstract base class for admin API actions in Fess.
 * This class extends FessApiAction to provide admin-specific functionality
 * including enhanced access control for administrative operations.
 *
 * <p>Admin API actions require special permissions and access tokens
 * that are validated against the admin role configuration.</p>
 */
public abstract class FessApiAdminAction extends FessApiAction {

    /** Logger instance for this class. */

     * Program will use this name to require service ticket from KDC.
     *
     * @param name
     *            the service name used to require service ticket from KDC.
     */
    public void setService(String name) {
        this.service = name;
    }

    /**
     * Get the service name.
     *
     * @return the service name used to require service ticket from KDC
     */

     * Create an authenticator using the JAAS service <code>jcifs</code>
     *
     * This will require that a keytab is configured in this service.
     *
     *
     */
    public JAASAuthenticator() {
        this("jcifs");
    }

    /**
     * Create an authenticator using the given JAAS service
     *
     * This will require that a keytab is configured in this service.
     *
     * @param serviceName