I have a Postgres 11 database installed on a VirtualBox virtual machine running Centos7 (guest machine), and my host machine is a Mac OS Catalina. Both the guest (Centos) and host (Catalina) have JDK 8 installed. I have the following simple Java code that uses a single dependency postgresql-42.2.5: I compile …
Tag: virtual-machine
how to fix java.lang.UnsatisfiedLinkError: sun.tools.attach.BsdVirtualMachine.createAttachFile(Ljava/lang/String;)
everyone. I was trying to execute ” mvn clean test ” to verify a simple maven project which was generated by “mvn archetype:generate”.I just to want learning how to write unit test.But I got a exception , after a long time debug and trying , I don’t know how to continue,please gi…
TCP connection between 2 Virtual Box machines on 1 local host [closed]
I wrote a Client/Server app in java using TCP connection. For the Client to run I need to provide it with IP of the server. It works well on two consoles on one Windows with IP = localhost, but not on …