Support for Java 7 was introduced in:
- DbVisualizer 8.0 for Windows
- DbVisualizer 8.0 for Linux/UNIX
- DbVisualizer 9.1 for macOS
Java 7 is not supported from DbVisualizer 10.0 which requires Java 8.
If running a version older than the above it will fail with Java 7 on respective platform with the following error at startup:
javax.swing.KeyStroke cannot be cast to java.lang.Comparable
Check this FAQ how to modify what Java version DbVisualizer should use.