Today when I was installing Netbeans 7.3.1 IDE I received an error when setting up my Subversion projects:
org.apache.subversion.javahl.ClientException: E155021: This client is too old to work with the working copy at '[project]' (format '31'). We strongly recommend to either install a newer Subversion client or downgrade your working copy. Any local changes might corrupt your working copy and some file operations as copying, renaming and deleting will not work correctly.
Clearly, I need to upgrade the Subversion client that Netbeans is using.
To do this first I download the Slik Subversion Client (version 1.8.3 for this example).
Next, install Slik Subversion Client.
After the install open Netbeans and go to Tools > Options > Misc > Versioning > Subversion. At the top of the dialog window change the Preferred client from to .
Then click the button and select the Slik Subversion Client file (in my system this was at .
Now Netbeans IDE should work correctly with Subversion 1.8.