B4J Question Unable to start b4j non-ui app on vps server

[toby]

Linux server: Centos 7
What I've done:
1. Download Java sdk 11, linux version to my Windows 10
2. Unzipped it with 7Zip to a folder named java11 which contains the bin folder as one of its child folders
3. Uploaded entire java11 folder to my server at /home/user1/java11
4. Compiled my test app in release mode and the resulting jar file is test.jar
5. Uploaded test.jar to /home/user1 folder
6. Ran the following terminal command

nohup /home/user1/java11/bin/java -jar /home/user1/test.jar >nohup.out &

And I got this log

nohup: failed to run command '/home/user1/java11/bin/java': No such file or directory

What am I missing?

Thanks in advance!

 

[toby]

I followed the instructions at https://www.b4x.com/android/forum/threads/server-run-a-server-on-a-vps.60378/

 

[Marvel]

/home/user1/java11/bin/java -jar

This has to point to the location of java on your vps. I doubt it's correct.

 

[toby]

This has to point to the location of java on your vps. I doubt it's correct.

That's the location of java I uploaded and I for this post replaced the actual username with "user1" for simplicity

 

[Marvel]

You have to confirm. The error message shows that the path or file does not exist.

Mine is like this;

user1/java/jdk-17.0.1/bin/java -jar

 

[toby]

java11/bin contains those usual files such as java, javac, etc.

 

[Marvel]

hmmm.... that's weird.
Have you tried removing /home/ before user1?

 

[toby]

The following command

Have you tried removing /home/ before user1?

Same error ;(

 

[toby]

The following command produced this error:

sh: ./java: inux-x86-64.so.2: bad ELF interpreter: No such file or directory

/home/user1/java11/bin/java -version

The " bad ELF interpreter" error means that java is of 32-bit but Java 11.0.1 is 64-bit. I'm confused.

All files, including this java file, in the bin folder have 755 permissions, BTW.

 

[toby]

I'm not familiar to linux and my vps is fully managed and as a result I might have made some mistakes not obvious to me.

 

[toby]

I ended up installing java using terminal even though the instructions indicates that installation is not needed.

After the installation, everything works. I don't need to specify java path any more

nohup java -jar myjar.jar >nohup.out &