Windows 10: Will there be any problems in directly replacing the version of Log4j.jar from 1.17 to 2.X...

Hi Team,Background:We now have installed Microsoft SQL Server 2019 Express locally. After installation, we found that it automatically uses the Log4j 1.2.17 version jar package. As shown in the picture.Since the jar package of Log4j version 1.2.17 has security issues, we now want to upgrade this jar package.Question:If we directly replace the local Log4j 1.2.17.jar package with the Log4j 2.16.0 version jar package, will it affect the existing data in SQL Server? Or are there any risks?It would be a big help if you could answer me as soon as possible.Thanks,Liu shi

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Log4J vulnerability

Hi Team,

As there is a Log4J vulnerability trending recently. May I get clarifications for the below points.

1) How the Log4J vulnerability impacting my Windows hosts?

2) How can I prevent or take precautions from getting affected by Log4J?

3) Microsoft released any patches for mitigating this vulnerability?

4) does it affect any other applications released by Microsoft like MSSQL, SCCM or IIS etc.

Kindly provide the updates on this.

 

Log4J???

Microsoft doesn't own this Java related problem: New zero-day exploit for Log4j Java library is an enterprise nightmare Log4J "Log4Shell" Zero-Day Vulnerability: Impact and Fixes - FOSSA

 

Cannot Open .jar files

Hi

Welcome to Microsoft community.

I understand you're facing issues with opening .jar files on your Windows 11 system, even after using the Jarfix tool. Let's try some additional troubleshooting steps to resolve the problem:

1. Reinstall Java: First, ensure that you have Java installed on your system. If it is already installed, try reinstalling it to ensure that all necessary components are properly configured. You can download the latest version of Java from the official Java website (java.com).
   
2. Check File Associations: Confirm that the .jar file extension is associated with Java. To do this, right-click on a .jar file, select "Open With," and choose "Choose another app." From the list, select Java (or browse to the Java executable file) and check the box that says "Always use this app to open .jar files." This will ensure that .jar files are opened with Java by default.
   
3. Command Line: Try running the .jar file from the command line. Open the Command Prompt or PowerShell, navigate to the directory where the .jar file is located, and use the command "java -jar filename.jar" (replace "filename.jar" with the actual name of the .jar file). This will attempt to execute the .jar file using the Java runtime environment.
   
4. Check Java Version: Make sure that you have the latest version of Java installed on your system. Older versions may not be fully compatible with Windows 11. Visit the official Java website to download and install the latest version.
   
5. Update Windows: Ensure that your Windows 11 system is up to date with the latest updates. Sometimes, system updates can resolve compatibility issues that may be causing problems with .jar files.
   

If none of these steps resolve the issue, it might be helpful to provide more details about the specific error messages or behaviors you encounter when trying to open .jar files. Additionally, you could consider seeking assistance from the Java community or contacting the support team for the application or program associated with the .jar file you're trying to open.

Best regards

Derrick Qian | Microsoft Community Support Specialist