Last release was in 2017. It fails with modern Java installations.
![](https://i0.wp.com/tzin.net/wp-content/uploads/2022/12/javaw_eQ0Do23NNw.png?resize=308%2C208&ssl=1)
“A Java Exception has occurred.” Pretty opaque message.
Installing an old version of Java is probably not a good idea, security-wise. So what to do?
Here’s how I solved it.
- Download the Discovery Tool.
- Download JRE 8u271, the relevant archive (tar.gz) package.
- Extract both files like so
![](https://i0.wp.com/tzin.net/wp-content/uploads/2022/12/explorer_BBB0mslBrQ.png?resize=801%2C218&ssl=1)
- Edit the batch file, change the path of javaw.exe
![](https://i0.wp.com/tzin.net/wp-content/uploads/2022/12/notepad_z49M7T8LHb.png?resize=850%2C157&ssl=1)
- Voilà!
![](https://i0.wp.com/tzin.net/wp-content/uploads/2022/12/javaw_wQGX4rTBbw.png?resize=784%2C392&ssl=1)
Pretty poor show, Ubiquiti.
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