When using Windows, adding a Branch Permission to a Branch by name at the Project level with "*" in the name causes 500 errors

Summary

• When using Windows, adding a Branch Permission to a Branch by name at the Project level with "*" in the name causes 500 errors

Environment

(Optional - If Applicable)

• Windows

Steps to Reproduce

1. Go to Projects >> {Project_Name\ >> Settings >> Branch Permissions.
2. Add a Branch Permission with the following selections:

   Branch Name: *
   Prevent all changes

3. Go to Repositories >> {Repository_Name} >> Branch Permissions for a repository in the project.

Expected Results

• Branch Names would not allow '*' as that character is an invalid character in Windows paths

Actual Results

The below exception is thrown in the atlassian-bitbucket.log file:

2017-08-23 08:52:26,885 ERROR [http-nio-7990-exec-6]  o.a.c.c.C.[.[.[/].[plugins] Servlet.service() for servlet [plugins] in context with path [] threw exception
java.nio.file.InvalidPathException: Illegal char <*> at index 0: *
	at sun.nio.fs.WindowsPathParser.normalize(Unknown Source)
	at sun.nio.fs.WindowsPathParser.parse(Unknown Source)
	at sun.nio.fs.WindowsPathParser.parse(Unknown Source)
	at sun.nio.fs.WindowsPath.parse(Unknown Source)
	at sun.nio.fs.WindowsFileSystem.getPath(Unknown Source)
	at sun.nio.fs.AbstractPath.resolve(Unknown Source)

Workaround

Omit '*' from the path name.