#fixed code
                                public static File cacheResource(URL resourceURL, String target) throws IOException {
        // Find appropriate subdirectory in cache for the resource ...
        File urlFile;
        try {
            urlFile = new File(new URI(resourceURL.toString().split("#")[0]));
        } catch (IllegalArgumentException | URISyntaxException e) {
            urlFile = new File(resourceURL.getPath());
        }
        String name = urlFile.getName();
        boolean reference = false;
        long size, timestamp;
        File cacheDir = getCacheDir();
        File cacheSubdir = cacheDir.getCanonicalFile();
        String s = System.getProperty("org.bytedeco.javacpp.cachedir.nosubdir", "false").toLowerCase();
        boolean noSubdir = s.equals("true") || s.equals("t") || s.equals("");
        URLConnection urlConnection = resourceURL.openConnection();
        if (urlConnection instanceof JarURLConnection) {
            JarFile jarFile = ((JarURLConnection)urlConnection).getJarFile();
            JarEntry jarEntry = ((JarURLConnection)urlConnection).getJarEntry();
            File jarFileFile = new File(jarFile.getName());
            File jarEntryFile = new File(jarEntry.getName());
            size = jarEntry.getSize();
            timestamp = jarEntry.getTime();
            if (!noSubdir) {
                String subdirName = jarFileFile.getName();
                String parentName = jarEntryFile.getParent();
                if (parentName != null) {
                    subdirName = subdirName + File.separator + parentName;
                }
                cacheSubdir = new File(cacheSubdir, subdirName);
            }
        } else if (urlConnection instanceof HttpURLConnection) {
            size = urlConnection.getContentLength();
            timestamp = urlConnection.getLastModified();
            if (!noSubdir) {
                String path = resourceURL.getHost() + resourceURL.getPath();
                cacheSubdir = new File(cacheSubdir, path.substring(0, path.lastIndexOf('/') + 1));
            }
        } else {
            size = urlFile.length();
            timestamp = urlFile.lastModified();
            if (!noSubdir) {
                cacheSubdir = new File(cacheSubdir, urlFile.getParentFile().getName());
            }
        }
        if (resourceURL.getRef() != null) {
            // ... get the URL fragment to let users rename library files ...
            String newName = resourceURL.getRef();
            // ... but create a symbolic link only if the name does not change ...
            reference = newName.equals(name);
            name = newName;
        }
        File file = new File(cacheSubdir, name);
        File lockFile = new File(cacheDir, ".lock");
        FileChannel lockChannel = null;
        FileLock lock = null;
        ReentrantLock threadLock = null;
        if (target != null && target.length() > 0) {
            // ... create symbolic link to already extracted library or ...
            try {
                Path path = file.toPath(), targetPath = Paths.get(target);
                if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(targetPath))
                        && targetPath.isAbsolute() && !targetPath.equals(path)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Locking " + cacheDir + " to create symbolic link");
                    }
                    threadLock = new ReentrantLock();
                    threadLock.lock();
                    lockChannel = new FileOutputStream(lockFile).getChannel();
                    lock = lockChannel.lock();
                    if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(targetPath))
                            && targetPath.isAbsolute() && !targetPath.equals(path)) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Creating symbolic link " + path + " to " + targetPath);
                        }
                        try {
                            file.getParentFile().mkdirs();
                            Files.createSymbolicLink(path, targetPath);
                        } catch (java.nio.file.FileAlreadyExistsException e) {
                            file.delete();
                            Files.createSymbolicLink(path, targetPath);
                        }
                    }
                }
            } catch (IOException | RuntimeException e) {
                // ... (probably an unsupported operation on Windows, but DLLs never need links,
                // or other (filesystem?) exception: for example,
                // "sun.nio.fs.UnixException: No such file or directory" on File.toPath()) ...
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to create symbolic link " + file + ": " + e);
                }
                return null;
            } finally {
                if (lock != null) {
                    lock.release();
                }
                if (lockChannel != null) {
                    lockChannel.close();
                }
                if (threadLock != null) {
                    threadLock.unlock();
                }
            }
        } else {
            if (urlFile.exists() && reference) {
                // ... try to create a symbolic link to the existing file, if we can, ...
                try {
                    Path path = file.toPath(), urlPath = urlFile.toPath();
                    if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(urlPath))
                            && urlPath.isAbsolute() && !urlPath.equals(path)) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Locking " + cacheDir + " to create symbolic link");
                        }
                        threadLock = new ReentrantLock();
                        threadLock.lock();
                        lockChannel = new FileOutputStream(lockFile).getChannel();
                        lock = lockChannel.lock();
                        if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(urlPath))
                                && urlPath.isAbsolute() && !urlPath.equals(path)) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Creating symbolic link " + path + " to " + urlPath);
                            }
                            try {
                                file.getParentFile().mkdirs();
                                Files.createSymbolicLink(path, urlPath);
                            } catch (java.nio.file.FileAlreadyExistsException e) {
                                file.delete();
                                Files.createSymbolicLink(path, urlPath);
                            }
                        }
                    }
                    return file;
                } catch (IOException | RuntimeException e) {
                    // ... (let's try to copy the file instead, such as on Windows) ...
                    if (logger.isDebugEnabled()) {
                        logger.debug("Could not create symbolic link " + file + ": " + e);
                    }
                } finally {
                    if (lock != null) {
                        lock.release();
                    }
                    if (lockChannel != null) {
                        lockChannel.close();
                    }
                    if (threadLock != null) {
                        threadLock.unlock();
                    }
                }
            }
            // ... check if it has not already been extracted, and if not ...
            if (!file.exists() || file.length() != size || file.lastModified() != timestamp
                    || !cacheSubdir.equals(file.getCanonicalFile().getParentFile())) {
                // ... add lock to avoid two JVMs access cacheDir simultaneously and ...
                try {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Locking " + cacheDir + " before extracting");
                    }
                    threadLock = new ReentrantLock();
                    threadLock.lock();
                    lockChannel = new FileOutputStream(lockFile).getChannel();
                    lock = lockChannel.lock();
                    // ... check if other JVM has extracted it before this JVM get the lock ...
                    if (!file.exists() || file.length() != size || file.lastModified() != timestamp
                            || !cacheSubdir.equals(file.getCanonicalFile().getParentFile())) {
                        // ... extract it from our resources ...
                        if (logger.isDebugEnabled()) {
                            logger.debug("Extracting " + resourceURL);
                        }
                        file.delete();
                        extractResource(resourceURL, file, null, null);
                        file.setLastModified(timestamp);
                    }
                } finally {
                    if (lock != null) {
                        lock.release();
                    }
                    if (lockChannel != null) {
                        lockChannel.close();
                    }
                    if (threadLock != null) {
                        threadLock.unlock();
                    }
                }
            }
        }
        return file;
    }
#vulnerable code 
                                public static File cacheResource(URL resourceURL, String target) throws IOException {
        // Find appropriate subdirectory in cache for the resource ...
        File urlFile;
        try {
            urlFile = new File(new URI(resourceURL.toString().split("#")[0]));
        } catch (IllegalArgumentException | URISyntaxException e) {
            urlFile = new File(resourceURL.getPath());
        }
        String name = urlFile.getName();
        boolean reference = false;
        long size, timestamp;
        File cacheDir = getCacheDir();
        File cacheSubdir = cacheDir.getCanonicalFile();
        String s = System.getProperty("org.bytedeco.javacpp.cachedir.nosubdir", "false").toLowerCase();
        boolean noSubdir = s.equals("true") || s.equals("t") || s.equals("");
        URLConnection urlConnection = resourceURL.openConnection();
        if (urlConnection instanceof JarURLConnection) {
            JarFile jarFile = ((JarURLConnection)urlConnection).getJarFile();
            JarEntry jarEntry = ((JarURLConnection)urlConnection).getJarEntry();
            File jarFileFile = new File(jarFile.getName());
            File jarEntryFile = new File(jarEntry.getName());
            size = jarEntry.getSize();
            timestamp = jarEntry.getTime();
            if (!noSubdir) {
                String subdirName = jarFileFile.getName();
                String parentName = jarEntryFile.getParent();
                if (parentName != null) {
                    subdirName = subdirName + File.separator + parentName;
                }
                cacheSubdir = new File(cacheSubdir, subdirName);
            }
        } else {
            size = urlFile.length();
            timestamp = urlFile.lastModified();
            if (!noSubdir) {
                cacheSubdir = new File(cacheSubdir, urlFile.getParentFile().getName());
            }
        }
        if (resourceURL.getRef() != null) {
            // ... get the URL fragment to let users rename library files ...
            String newName = resourceURL.getRef();
            // ... but create a symbolic link only if the name does not change ...
            reference = newName.equals(name);
            name = newName;
        }
        File file = new File(cacheSubdir, name);
        File lockFile = new File(cacheDir, ".lock");
        FileChannel lockChannel = null;
        FileLock lock = null;
        ReentrantLock threadLock = null;
        if (target != null && target.length() > 0) {
            // ... create symbolic link to already extracted library or ...
            try {
                Path path = file.toPath(), targetPath = Paths.get(target);
                if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(targetPath))
                        && targetPath.isAbsolute() && !targetPath.equals(path)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Locking " + cacheDir + " to create symbolic link");
                    }
                    threadLock = new ReentrantLock();
                    threadLock.lock();
                    lockChannel = new FileOutputStream(lockFile).getChannel();
                    lock = lockChannel.lock();
                    if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(targetPath))
                            && targetPath.isAbsolute() && !targetPath.equals(path)) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Creating symbolic link " + path + " to " + targetPath);
                        }
                        try {
                            file.getParentFile().mkdirs();
                            Files.createSymbolicLink(path, targetPath);
                        } catch (java.nio.file.FileAlreadyExistsException e) {
                            file.delete();
                            Files.createSymbolicLink(path, targetPath);
                        }
                    }
                }
            } catch (IOException | RuntimeException e) {
                // ... (probably an unsupported operation on Windows, but DLLs never need links,
                // or other (filesystem?) exception: for example,
                // "sun.nio.fs.UnixException: No such file or directory" on File.toPath()) ...
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to create symbolic link " + file + ": " + e);
                }
                return null;
            } finally {
                if (lock != null) {
                    lock.release();
                }
                if (lockChannel != null) {
                    lockChannel.close();
                }
                if (threadLock != null) {
                    threadLock.unlock();
                }
            }
        } else {
            if (urlFile.exists() && reference) {
                // ... try to create a symbolic link to the existing file, if we can, ...
                try {
                    Path path = file.toPath(), urlPath = urlFile.toPath();
                    if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(urlPath))
                            && urlPath.isAbsolute() && !urlPath.equals(path)) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Locking " + cacheDir + " to create symbolic link");
                        }
                        threadLock = new ReentrantLock();
                        threadLock.lock();
                        lockChannel = new FileOutputStream(lockFile).getChannel();
                        lock = lockChannel.lock();
                        if ((!file.exists() || !Files.isSymbolicLink(path) || !Files.readSymbolicLink(path).equals(urlPath))
                                && urlPath.isAbsolute() && !urlPath.equals(path)) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Creating symbolic link " + path + " to " + urlPath);
                            }
                            try {
                                file.getParentFile().mkdirs();
                                Files.createSymbolicLink(path, urlPath);
                            } catch (java.nio.file.FileAlreadyExistsException e) {
                                file.delete();
                                Files.createSymbolicLink(path, urlPath);
                            }
                        }
                    }
                    return file;
                } catch (IOException | RuntimeException e) {
                    // ... (let's try to copy the file instead, such as on Windows) ...
                    if (logger.isDebugEnabled()) {
                        logger.debug("Could not create symbolic link " + file + ": " + e);
                    }
                } finally {
                    if (lock != null) {
                        lock.release();
                    }
                    if (lockChannel != null) {
                        lockChannel.close();
                    }
                    if (threadLock != null) {
                        threadLock.unlock();
                    }
                }
            }
            // ... check if it has not already been extracted, and if not ...
            if (!file.exists() || file.length() != size || file.lastModified() != timestamp
                    || !cacheSubdir.equals(file.getCanonicalFile().getParentFile())) {
                // ... add lock to avoid two JVMs access cacheDir simultaneously and ...
                try {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Locking " + cacheDir + " before extracting");
                    }
                    threadLock = new ReentrantLock();
                    threadLock.lock();
                    lockChannel = new FileOutputStream(lockFile).getChannel();
                    lock = lockChannel.lock();
                    // ... check if other JVM has extracted it before this JVM get the lock ...
                    if (!file.exists() || file.length() != size || file.lastModified() != timestamp
                            || !cacheSubdir.equals(file.getCanonicalFile().getParentFile())) {
                        // ... extract it from our resources ...
                        if (logger.isDebugEnabled()) {
                            logger.debug("Extracting " + resourceURL);
                        }
                        file.delete();
                        extractResource(resourceURL, file, null, null);
                        file.setLastModified(timestamp);
                    }
                } finally {
                    if (lock != null) {
                        lock.release();
                    }
                    if (lockChannel != null) {
                        lockChannel.close();
                    }
                    if (threadLock != null) {
                        threadLock.unlock();
                    }
                }
            }
        }
        return file;
    } 
                            #location 33 
                            #vulnerability type RESOURCE_LEAK