public static Port getAvailablePort()

in paimon-python-java-bridge/src/main/java/org/apache/paimon/python/NetUtils.java [34:51]

• 17 lines of code
• 5 McCabe index (conditional complexity)

    public static Port getAvailablePort() {
        for (int i = 0; i < 50; i++) {
            try (ServerSocket serverSocket = new ServerSocket(0)) {
                int port = serverSocket.getLocalPort();
                if (port != 0) {
                    FileLock fileLock = new FileLock(NetUtils.class.getName() + port);
                    if (fileLock.tryLock()) {
                        return new Port(port, fileLock);
                    } else {
                        fileLock.unlockAndDestroy();
                    }
                }
            } catch (IOException ignored) {
            }
        }

        throw new RuntimeException("Could not find a free permitted port on the machine.");
    }