Virtualbox - /Sbin/Mount.Vboxsf: Mounting Failed Amongst The Error: Protocol Mistake [Solution]

I role Oracle's virtual machine, Virtualbox to run the Linux operating arrangement from my Windows machine. It's the most uncomplicated means to convey 2 operating arrangement inwards your laptop or PC. Since I run most of Java programme inwards Linux, VirtualBox gives me a overnice interface to run UNIX commands correct from Windows box. This weblog ship service is most the mounting of shared folder failed mistake inwards Oracle's Virtualbox VM. It was working fine hateful solar daytime earlier yesterday as well as now, after I restarted my virtual box as well as tried to mountain my shared folder, I was greeted past times this error: "/sbin/mount.vboxsf: mounting failed amongst the error: Protocol error". I was using the next ascendance to mountain my shared folder on VirtualBox:

$ mountain -t vboxsf mountfolder /home/devInHost/mountfolder

I was running Oracle's VirtualBox 4.1 version amongst the invitee operating arrangement every bit RedHat Linux as well as host OS every bit Windows 8.

Solving /sbin/mount.vboxsf: mounting failed amongst the error: Protocol mistake VirtualBox

There was zilch unlike I was trying, I had run this ascendance successfully numerous times, only it was non working today.

I looked all over the mesh for a solution as well as tried things similar running this ascendance after doing
$ cd / 
or
$ cd
only amongst no luck. After a chip of struggle, I constitute that my virtual box has no shared folder.

I went to Settings -> Shared Folders as well as in that place was zilch on it, fifty-fifty though I had specified shared folder inwards the previous run. I afterwards realized that I had non made it permanent, that's why when I restarted my VirtualBox, in that place was no shared folder.

Once I specified the shared folder the ascendance ran fine, fifty-fifty without restarting  the virtual box.

Summary

Here is the summary of what happened, what was the origin elbow grease of the mistake as well as how I fixed it.

What I was trying to do: 
mounting shared folder on Linux invitee OS within Oracle VirtualBox.

Command:

$ mountain -t vboxsf mountfolder /home/devInHost/mountfolder

Error:
"/sbin/mount.vboxsf: mounting failed amongst the error: Protocol error"

Cause:
There was no shared folder. I had earlier final run only it wasn't permanent as well as thence when I restarted the Virtual box, it got reset.  You tin depository fiscal establishment fit this past times going to Settings -> Shared Folders

Solution:
Specify the novel shared folder as well as re-run the command $ mountain -t vboxsf mountfolder /home/devInHost/mountfolder again. It volition operate fine, no ask to restart the Virtual box again.

Thanks, I promise this tin salve roughly fourth dimension for you, when yous teach this error, don't forget to depository fiscal establishment fit your shared folder settings inwards the virtual box earlier looking into the mesh for the solution.

Further Learning
Understanding the Java Virtual Machine: Class Loading as well as Reflection
Java Performance The Definitive Guide By Scott Oaks
Understanding as well as Solving Java Memory Problems

Sumber https://javarevisited.blogspot.com/

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