why apache tomcat 8 is not showing in preferences

If the browser is always waiting and not showing any actual content, then please try the following steps.

You can change this association to associate with Java, or better, you can launch Burp from the command line. JAR file extension with some archiving software.

This probably happened because your computer is associating the. You don't need to unpack or unzip the Burp JAR file. I've unpacked the Burp JAR file what next? If you get this error message when trying to launch Burp with an extension created using the legacy Extender API, check that your BurpExtender class is declared in the burp package, and resides inside a folder called burp within your extension's JAR file. If you're still having problems, your Java installation might be corrupted, so reinstall it. If you have installed a later version of Java but an older version is still being executed, then replace java with an absolute path to the correct java executable on your system. Run the command java -version and confirm that the version being executed is 17 or later. If you're still having problems, check that your command is launching the correct version of Java. When running Burp from the command line, make sure you have included the -jar argument followed by the location of the Burp JAR file. I get an error message saying NoClassDefFoundError Look at any error messages or other output that appears on the command line, which should indicate the cause of the problem. Try launching Burp from the command line. Otherwise, the problems and solutions below might help you. If you are new to Burp and are having problems, please first read the help on Getting Started with Burp Suite, and follow the instructions there. PROFESSIONAL COMMUNITY Troubleshooting common errors within Burp Suite

Credential stuffing using Burp Intruder.

Spoofing your IP address using Burp Proxy match and replace.

Testing for reflected XSS using Burp Repeater.

Viewing requests sent by Burp extensions using Logger.

Enumerating subdomains with Burp Intruder.

Brute forcing a login with Burp Intruder.

Resending individual requests with Burp Repeater.

Augmenting manual testing using Burp Scanner.

Intercepting HTTP requests and responses.

Viewing requests sent by Burp extensions.

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Why apache tomcat 8 is not showing in preferences