Monday 26 February 2024

Error:Unable to create Java VM" when running /Recording a Java Vuser protocal script

Error -22994 indicates that LoadRunner is unable to create a Java Virtual Machine (VM). This error typically occurs when LoadRunner tries to initiate Java-based protocols like Java over HTTP or RMI/IIOP.

Here are some steps to troubleshoot and resolve this issue:

1. Check Java Installation:
Ensure that Java Runtime Environment (JRE) or Java Development Kit (JDK) is installed on the machine where LoadRunner is running. Verify that the Java installation path is correctly set in the system environment variables.

2. Check Java Version Compatibility:
Verify that the installed version of Java is compatible with the version of LoadRunner you are using. Some versions of LoadRunner may have specific requirements regarding Java versions.

3. Check LoadRunner Configuration:
In LoadRunner, go to "Tools" > "Options" > "Java VM". Ensure that the correct Java executable path is specified. Update the path if necessary to point to the correct Java installation directory.

4. Check System Environment Variables:
Ensure that the `JAVA_HOME` environment variable is set correctly to the Java installation directory. Additionally, verify that the `PATH` environment variable includes the directory containing the Java executable.

5. Check LoadRunner Runtime Settings:
If you're running Java-based protocols in a LoadRunner scenario, ensure that the runtime settings for the script are configured correctly. Check the Java Runtime Settings in the "Runtime Settings" section of the VuGen script.

6. Check LoadRunner License:
Ensure that your LoadRunner license includes support for Java-based protocols. Some versions of LoadRunner require specific licenses to use Java protocols.

7. Check System Resources:
Insufficient system resources such as memory or CPU may also cause issues when creating a Java VM. Ensure that the system has enough resources available to run both LoadRunner and Java.

8. Check Firewall/Antivirus Settings:
Sometimes, firewall or antivirus software may block LoadRunner from creating a Java VM. Temporarily disable any firewall or antivirus software and try running LoadRunner again to see if the issue persists.

9. Check LoadRunner Logs:
Check the LoadRunner logs for more detailed error messages or any additional information that might help diagnose the problem further.