Error message: "java.io.IOException: Error running exec().Command: [chmod, 777, /data/data/com.googlecode.droidwall.free/cache/droidwall.sh] Working Directory: null Environment: null"

```
What steps will reproduce the problem?
When you try to enable the rules you get the following error message:

"Could not acquire root access. You need a rooted phone to run DroidWall.

If this phone is already rooted, please make sure DroidWall has ennough
permissions to execute the "su" command.

Error message: "java.io.IOException: Error running exec().Command: [chmod, 777,
/data/data/com.googlecode.droidwall.free/cache/droidwall.sh] Working Directory:
null Environment: null"

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
v1.5.7, v2.3.5

Please provide any additional information below.

```

Original issue reported on code.google.com by `a.wa.a4e...@gmail.com` on 20 Jan 2012 at 7:07

Attachments:
- [export_03.png](https://storage.googleapis.com/google-code-attachments/droidwall/issue-232/comment-0/export_03.png)