In the OTN thread:
there is a discusssion about a problem related to the ADF JClient bug 5642176. The patch for this bug is now available for download on MetaLink. To download it:
1) In MetaLink, click tab "Patches & Updates"
2) Click "Simple Search"
3) Select "Search By" "Patch Number"
4) Enter the patch number: 5642176
5) Select Microsoft Win-32 bit as the Platform (the patch is still Generic)
6) Click "Go"
7) Click "View Readme" and follow instructions to install the patch.
The patch is available for JDeveloper 10.1.2.2 and 10.1.3.1. Please also refer to the MetaLink Note 406050.1 for further details.