Why localhost8080 cannot be accessed?

7 common reasons and solutions for localhost:8080 being inaccessible: Make sure the firewall has opened port 8080. Confirm that an application is listening on port 8080. Check if any other application is using port 8080. Disable or change the IPv6 address to resolve the conflict. Check DNS records to resolve domain name issues. Clear your browser cache to resolve caching issues. Troubleshoot other causes such as network connectivity, configuration, or malware.

The reason why localhost8080 cannot be accessed

When you try to access the local through localhost:8080 The server encountered a problem. The following may be the reasons:

1. The port is not open:

• Make sure your firewall has allowed incoming connections on port 8080 .
• In Windows systems, please use Windows Defender Firewall. In Mac systems, please use the firewall in System Preferences.

2. No listening application:

• Make sure you are running an application or service that is using localhost:8080 port.
• For example, if you are running a Tomcat server, make sure it is configured to listen on port 8080.

3. The port is already in use by another application:

• Check if there are other applications using port 8080.
• Use the "netstat -aon" (Windows) or "lsof -i:8080" (Mac) command to view the processes that are listening on the port.

4. IPv6 address conflict:

• Sometimes, IPv6 address conflict may cause localhost to be inaccessible.
• Disable the IPv6 address or change the IPv6 address of the hosts file.

5. DNS issues:

• If you are using a domain name (for example: "example.com") instead of "localhost", then DNS issues may cause inaccessibility issues.
• Use the "nslookup example.com" command to check DNS records.

6. Browser cache:

• Browser cache sometimes causes localhost:8080 to be inaccessible.
• Clear your browser cache and try again.

7. Other reasons:

• Network connection problem
• Router or switch configuration error
• Malicious Software or virus infection

By reviewing these potential causes and taking appropriate actions, you should be able to resolve localhost:8080 inaccessible issues.

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