If you encounter errors or exceptions while you are using OSLC Connect for Windchill, you can refer to the Windchill log files to research these issues. You may eventually report issues with attached log files to the OSLC Connect for Windchill Support, after having reproduced the issues with the OSLC Connect for Windchill debug logs activated.
To activate the debug logs for OSLC Connect for Windchilllog4j
logger:
Navigator
browse to Customization > Tools > Log4j
browse...
button to find it