How to solve garbled tomcat logs

Solutions to garbled tomcat logs: 1. Modify Tomcat’s log encoding settings; 2. Check the IDE’s encoding settings; 3. Check the operating system’s encoding settings; 4. Use filters to process logs; 5. Check Encoding settings of external systems; 6. Check the file encoding method; 7. Set the IDE default encoding; 8. Use the RequestWrapper class; 9. Check the Tomcat connector configuration; 10. Use the filter plug-in.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

The problem of garbled Tomcat logs can be solved in a variety of ways. Here are some suggested solutions:

1. Modify Tomcat’s log encoding settings: First, find In the conf directory under the Tomcat installation directory, open the logging.properties file. Check the settings in the file to ensure that the encoding format for both console output (ConsoleHandler) and log file output (FileHandler) is set to UTF-8. If necessary, you can modify these settings and then restart the Tomcat server for the changes to take effect.

2. Check the IDE's encoding settings: If you are using an integrated development environment (IDE), such as Eclipse or IntelliJ IDEA, make sure the IDE's default encoding setting is UTF-8. Corresponding settings can be made in the IDE's configuration file. This way, the IDE will use the correct encoding format when connecting to the Tomcat server.

3. Check the encoding settings of the operating system: Make sure that the encoding format used by your operating system matches the settings of Tomcat and IDE. This can be viewed and changed in the operating system's settings.

4. Use filters to process logs: If the above methods still cannot solve the problem, you can consider using log filters to deal with garbled characters. You can add a filter to Tomcat's configuration file to convert non-UTF-8 encoded logs to UTF-8 encoding.

5. Check the encoding settings of the external system: If Tomcat interacts with external systems (such as databases, file systems, etc.), you also need to check the encoding settings of the external system to ensure that it is compatible with Tomcat. Encoding settings are consistent.

6. Check the file encoding method: After opening the file in the IDE, you can check the file encoding method through the status bar in the lower right corner. If the encoding method is garbled, you can right-click the file and select "File Encoding" -> "UTF-8/GBK" to set the encoding.

7. Set the IDE default encoding: Set the default encoding method in the IDE to ensure that newly created files use the correct encoding method. In the IDE settings, select "File -> Settings -> Editor -> File Encoding" and set both Global Encoding and Project Encoding to common encoding methods such as UTF-8 or GBK.

8. Use the RequestWrapper class: Establish the RequestWrapper class and modify the content type and character set of the request to ensure that the correct encoding method is used when processing the request.

9. Check the Tomcat connector configuration: Check the Tomcat connector configuration to ensure that the character set encoding used by the connector is consistent with Tomcat's log encoding settings. The character set encoding can be set in the connector's configuration file.

10. Use the filter plug-in: Try to use the filter plug-in to deal with the log garbled problem. For example, Log4j provides powerful filter plug-ins that can be used to filter and encode logs.

The above are some possible solutions, the specific implementation depends on your system and application configuration. If you encounter a specific issue or error, please provide more details so we can better help you resolve the issue.

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