Eclipse IDE Javadoc Hover Tooltip Empty

Issue

I'm using Eclipse 2023-09 (4.29.0) and have recently noticed that my hover/mouseover dialog over classes / variables is empty. The text seems to be in the box because I can select and copy paste it (selection is still invisible). Hover boxes with Dead Code warnings are still looking fine. I'm not sure what caused the issue.

I can provide the following facts:

• Happens my Debian Linux (Trixie) system with Fluxbox and Nvidia GPU
• Issue also happens with older Eclipse versions (Tested also versions of 2022)
• Issue is unaffected by GTK theme changes
• Issue is unaffected by different Eclipse Theme
• Changing the color in Java -> Editor (Appearance color options) does not affect the box color
• Box is complete white when changing to a light theme

I see the following error in the logs when I try to hover over a field / variable.

src/nv_gbm.c:100: GBM-DRV error (nv_gbm_bo_create):
DRM_IOCTL_NVIDIA_GEM_ALLOC_NVKMS_MEMORY failed (ret=-1)

I think the problem might be related to my Nvidia driver or something that invokes the driver in a dedicated way.

Any pointers would be welcome since this issue basically renders my Eclipse IDE almost not usable.

Solution

I was able to workaround the issue by starting eclipse via:

__NV_PRIME_RENDER_OFFLOAD=1 /opt/ide/eclipse/eclipse

I can't provide any further info on this. I found this thread and tested the environment variable. I have a two GPU system. Maybe that is confusing the window creation.

Answered By - Jotschi