Public class App
{

Public static void createNewFile (String fileName) {
The File f=new File (fileName);
Try {
F. reateNewFile ();
} the catch (IOException e) {
e.printStackTrace();
}
}

Public static void main (String [] args) throws InterruptedException
{
For (;; ) {
Try {
Thread.sleep (5000);
{} catch InterruptedException (e)
e.printStackTrace();
}
CreateNewFile (System. CurrentTimeMillis () + "");
System. Out.println (" Hello World!" );
}
}
}

Every 5 seconds to generate a file, a hello world output, but now only output hello world, file is not generated, don't know why
Docker loading centos7 system, the run command is as follows: docker run - d - v/media/sf_shared_file:/arpg - name test anapsix/alpine - Java Java jar/arpg/test. The jar

CodePudding user response:

By looking at the building of the run command, my guess is that the building host machine directory is/arpg, docker directory is/media/internal sf_shared_file
The original poster is to want to put the docker internal/media/sf_shared_file mount to the host machine/arpg
That is to say, the building Lord hope/arpg directory on the host see the generated files in the

If the above reasoning, that you seem to write backwards, should write - v/arpg:/media/sf_shared_file