Hi,
I used the folk on Github which supports virtualbox 5.1.6. Then I installed and configured the node, it could run the virtualbox after I clicked the launch button, but it always failed to set the agent online. The log is shown below.
I have Jenkins ver. 2.89.2 and virtualbox 5.1.6 with win10
[VirtualBox] Launching node Automatic Test setup [VirtualBox] Powering up VirtualBoxMachine{host=VirtualBoxHost{url='http://10.1.20.81:18083', username=''},name='Automatic Test setup'}... [VirtualBox] node Automatic Test setup in state Running [VirtualBox] node Automatic Test setup started [VirtualBox] Sleep before stage 2 launcher, attempt 1 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 2 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 3 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 4 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 5 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 6 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 7 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 8 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 9 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 10 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Sleep before stage 2 launcher, attempt 11 [VirtualBox] Starting stage 2 launcher (JNLPLauncher) [VirtualBox] Stage 2 launcher completed [VirtualBox] Maximum number of attempts reached