# io.github.libtmux.snapshot.ServerMirror.cause

- **Module:** io.github.libtmux.snapshot
- **Package:** io.github.libtmux:libtmux
- **Language:** Java
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-java/blob/f56392b5d9bc7f1f9c1631842333fb90f3d82d40/libtmux/src/main/java/io/github/libtmux/snapshot/ServerMirror.java#L205
- **Page:** https://libtmux.org/en/java/latest/reference/io-github-libtmux-snapshot-servermirror-servermirror-cause/

```
io.github.libtmux.snapshot.ServerMirror.cause() -> Optional<Throwable>
```

Why this mirror ended, when something other than {@link #close()} ended it.