this.loggerName = ownerOfLogger.getName();
  }

  Logger get() {
    /*
     * We use double-checked locking. We could the try racy single-check idiom, but that would
     * depend on Logger to not contain mutable state.
     *
     * We could use Suppliers.memoizingSupplier here, but I micro-optimized to this implementation
     * to avoid the extra class for the lambda (and maybe more for memoizingSupplier itself) and the
     * indirection.

        // Test throwing and catching the exception with cause
        String expectedMessage = "Storage write error";
        Exception expectedCause = new IllegalStateException("Invalid state");

        try {
            throw new StorageException(expectedMessage, expectedCause);
        } catch (StorageException e) {
            assertEquals(expectedMessage, e.getMessage());

<img src="/img/tutorial/response-status-code/image01.png">

/// note

Some response codes (see the next section) indicate that the response does not have a body.

FastAPI knows this, and will produce OpenAPI docs that state there is no response body.

///

## About HTTP status codes { #about-http-status-codes }

/// note

If you already know what HTTP status codes are, skip to the next section.

///

        
        // Create state directory for persistent storage
        String homeDir = System.getProperty("user.home");
        this.stateDirectory = Paths.get(homeDir, ".jcifs", "handles");
        try {
            Files.createDirectories(stateDirectory);
        } catch (IOException e) {
            log.error("Failed to create handle state directory", e);
        }
        

#### Http2Connection

This lock guards internal state of each connection. This lock is never held for blocking operations. That means that we acquire the lock, read or write a few fields and release the lock. No I/O and no application-layer callbacks.

#### Http2Stream

import jcifs.SmbSession;
import jcifs.SmbTransport;
import jcifs.SmbTree;

/**
 * Internal SMB session interface providing extended session management capabilities.
 * Defines methods for internal session operations and state management.
 *
 * @author mbechler
 *
 * <p>This interface is intended for internal use.</p>
 */
public interface SmbSessionInternal extends SmbSession {

    /**

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal;

/**
 * Container class for SMB protocol negotiation state.
 * Holds the negotiation request, response, and raw buffer data exchanged
 * between client and server during SMB protocol version negotiation.
 *
 * @author mbechler
 */
public final class SmbNegotiation {

    void awaitWaiting() {
      while (!isBlocked()) {
        if (getState() == State.TERMINATED) {
          throw new RuntimeException("Thread exited");
        }
        Thread.yield();
      }
    }

    private boolean isBlocked() {
      return getState() == Thread.State.WAITING && LockSupport.getBlocker(this) == future;
    }
  }

        byte[] leaseKeyBytes = new byte[16];
        System.arraycopy(buffer, 24, leaseKeyBytes, 0, 16);
        assertArrayEquals(key.getKey(), leaseKeyBytes);

        // Verify lease state
        assertEquals(leaseState, SMBUtil.readInt4(buffer, 40));

        // Verify directory-specific data
        assertEquals(DirectoryCacheScope.RECURSIVE_TREE.ordinal(), SMBUtil.readInt4(buffer, 56)); // CacheScope

    }

    @Test
    void testZeroScoreChannels() {
        loadBalancer.setStrategy(LoadBalancingStrategy.WEIGHTED_RANDOM);

        // Create channels with zero scores (failed state)
        channel1.setState(ChannelState.FAILED);
        channel2.setState(ChannelState.FAILED);

        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));