Failed to attach VM - java.io.IOException: well-known file is not secure

[woutwoot]

root@SERVER:~# ./startroast.sh

WarmRoast

http://github.com/sk89q/warmroast

Choose a VM: [1] /home/mc/multicraft/jar/SpigotMC nogui [2] /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8283 --ajp13Port=-1 [3] com.sk89q.warmroast.WarmRoast --thread Server thread [4] org.apache.catalina.startup.Bootstrap start

Enter choice #: 1

Failed to attach VM java.io.IOException: well-known file is not secure at sun.tools.attach.LinuxVirtualMachine.checkPermissions(Native Method) at sun.tools.attach.LinuxVirtualMachine.(LinuxVirtualMachine.java:117) at sun.tools.attach.LinuxAttachProvider.attachVirtualMachine(LinuxAttachProvider.java:78) at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:255) at com.sk89q.warmroast.WarmRoast.main(WarmRoast.java:282)

How can I fix this problem?