It appears that the CMIS 1.1 Browser Binding can't handle a plus sign ("+") in the path query. I was able to reproduce this issue by creating the below folder in the "Repository"/Company Home root folder.
Error output attached
Steps to reproduce
- Create root folder in repo named "Sample+Folder" without the quotes and with the plus.
- Use path query to get info about this folder: http://localhost:8080/alfresco/api/-default-/public/cmis/versions/1.1/browser/root/Sample%2BFolder?cmisselector=object
Folder information is returned
Attached error is thrown