Is(FILE_LOCKED) not working to detect if uninstalled java.exe running
I have installscript code that uses Is(FILE_LOCKED) to check several .exe's and java.exe to determine if they are running. The path to all of the .exe's is supplied. The paths to various (installed) java.exe's is found via a registry check in the Javasoft key. That works as intended.
Sometimes Java does not have a registry key - it is just unzipped, and referenced with the "JAVA_HOME" variable. So I used the GetEnvVar ("JAVA_HOME", svValue) function to get the path to Java, and then appended "\\bin\\java.exe." I verified that the installer knows the correct path. However, in this one circumstance, Is(FILE_LOCKED) doesn't work.
Our application "MyApp.exe" launches with Java. When running correctly, "MyApp.exe" and the Java binary will be running. Currently, Is(FILE_LOCKED) correctly tells when MyApp.exe is running, but not Java. When MyApp.exe is running when I try to install a patch, the Is(FILE_LOCKED) function lists "MyApp.exe" in a list of "Files in Use." If I kill MyApp.exe from Task Manager, the MyApp GUI remains open, and the Java binary is still running, so there are still locked files, but re-running the Is(FILE_LOCKED) function shows everything is fine, and the install will continue. It shouldn't do that!
I'm using Amazon Corretto OpenJDK 8. The JAVA_HOME path is C:\Users\Public\amazon-corretto-java\jdk1.8.0_222, to make sure it was accessible.
Does anyone have a clue what's going on? Is there some other way I can do this?
I think I figured it out. When I look at the properties of the Java binary running in Task Manager, the path of the java.exe is cut off. The "MyApp" launcher wasn't using C:\Users\Public\amazon-corretto-java\jdk1.8.0_222\bin\java.exe. It was using C:\Users\Public\amazon-corretto-java\jdk1.8.0_222\jre\bin\java.exe.
So I didn't have the right path afterall.
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