void testIOExceptionDuringRead() throws IOException {
        // Create a file that exists but will cause an IOException when read
        File lmhostsFile = tempDir.resolve("lmhosts").toFile();
        lmhostsFile.createNewFile();

        // Make file unreadable on Unix-like systems
        boolean isWindows = System.getProperty("os.name").toLowerCase().contains("windows");
        if (!isWindows) {

    context.getConfig().setProperty("jcifs.smb.client.useLeases", "true");
    
    try (SmbFile file = new SmbFile("smb://server/share/test.txt", context)) {
        // Open file with lease
        file.createNewFile();
        
        // Verify lease was granted
        assertTrue(file.canCacheRead());
        
        // Write should be cached
        try (OutputStream os = file.getOutputStream()) {

    
    // Get initial listing (establishes cache)
    SmbFile[] initialFiles = dir.listFiles();
    
    // Create new file
    testFile.createNewFile();
    
    // Wait for change notification
    Thread.sleep(2000);
    
    // Cache should be invalidated, new listing should include new file
    SmbFile[] updatedFiles = dir.listFiles();

    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    
    // Should work even if RDMA provider is not available
    file.createNewFile();
    assertTrue(file.exists());
}
```

## 8. Performance Monitoring

### 8.1 RDMA Statistics
```java
public class RdmaStatistics {

    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useWitness", "true");
    
    SmbFile file = new SmbFile("smb://cluster-server/share/test.txt", context);
    file.createNewFile();
    
    // Monitor for witness notifications
    TestWitnessListener listener = new TestWitnessListener();
    
    // Simulate cluster failover (would require test environment setup)

   */
  @SuppressWarnings("GoodTime") // reading system time without TimeSource
  public static void touch(File file) throws IOException {
    checkNotNull(file);
    if (!file.createNewFile() && !file.setLastModified(System.currentTimeMillis())) {
      throw new IOException("Unable to update modification time of " + file);
    }
  }

  /**

   */
  @SuppressWarnings("GoodTime") // reading system time without TimeSource
  public static void touch(File file) throws IOException {
    checkNotNull(file);
    if (!file.createNewFile() && !file.setLastModified(System.currentTimeMillis())) {
      throw new IOException("Unable to update modification time of " + file);
    }
  }

  /**

     * existence of the file and it's creation are an atomic operation with
     * respect to other filesystem activities.
     *
     * @throws CIFSException if an error occurs creating the file
     */
    void createNewFile() throws CIFSException;

    /**
     * Creates a directory with the path specified by this <code>SmbResource</code>
     * and any parent directories that do not exist. This method will fail

                log.debug("Failed to close after failure", e2);
                e.addSuppressed(e2);
            }
            throw e;
        }
    }

    @Override
    public void createNewFile() throws SmbException {
        if (this.fileLocator.isRootOrShare()) {
            throw new SmbException("Invalid operation for workgroups, servers, or shares");
        }

     * existance of the file and it's creation are an atomic operation with
     * respect to other filesystem activities.
     * @throws SmbException if an error occurs while creating the file
     */
    public void createNewFile() throws SmbException {
        if (getUncPath0().length() == 1) {
            throw new SmbException("Invalid operation for workgroups, servers, or shares");
        }