What Steps Should I Take To Fix The “java.net.bindexception: Address Already In Use: JVM_Bind” Error In Java?

The "java.net.BindException: Address already in use: JVM_Bind" error occurs when a Java program attempts to bind to a network address, but another program or service is already using that address.

To resolve this error, you can try the following steps:

  1. Check if any other service or program is already running and using the same network address. You can do this by using the "netstat" command on the command line. For example, on Windows, run the command netstat -ano | findstr :<port_number>. Replace <port_number> with the port number your program is trying to bind to. On Linux or macOS, you can use netstat -tuln | grep <port_number>.

  2. If you find that another program is indeed using the same network address, you have a few options:
    a. Stop the other program or service that is using the address if it is not needed.
    b. Change the port number that your Java program is trying to bind to a different, unused port. You can modify your code or configuration to use a different port number.

  3. If you cannot stop the other program/service or change the port number, you can configure your Java program to bind to a specific network address that is not in use by another program. You can specify the IP address to bind to by creating an instance of InetSocketAddress and passing it to the bind() method or constructor.

  4. Make sure that your program is correctly releasing any network resources it uses when it shuts down. Improper resource management can sometimes lead to the "Address already in use" error.

  5. If none of the above steps work, it’s possible that the network address is being held by a lingering program or service that is not visible through the netstat command. Restarting your computer may be necessary to free up the address.

Remember to run your Java program/test in an IDE or development environment as administrative/root user if it requires elevated permissions to bind to the network address.

About the Author Rex

I'm a passionate tech blogger with an insatiable love for programming! From my early days tinkering with code, I've delved into web dev, mobile apps, and AI. Sharing insights and tutorials with the world is my joy, connecting me to a global community of like-minded tech enthusiasts. Python holds a special place in my heart, but I embrace all challenges. Constantly learning, I attend tech conferences, contribute to open-source projects, and engage in code review sessions. My ultimate goal is to inspire the next generation of developers and contribute positively to the ever-evolving tech landscape. Let's code together!