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2 re-occurring exceptions in logs
Since a couple of weeks I'm responsible for a production instance of OpenClinica (version 3.1.2 running as a Window-service). The OpenClinica application is used at our hospital and other sites with great satisfaction! It is a powerful tool for clinical research and the trial-modeling capabilities are impressive.
I've noticed that the 2 exceptions listed below often appear in the logs but I don't hear anything from users experiencing problems. Could you kindly explain how/why these exception occur and if they possibly adversely affect the operation of OpenClinica? The X's are the users ID's.
09/26 15:26:19 [OpenClinica] USER ERROR XXXXXXXX o.a.o.c.s.UploadFileServlet:578 - java.lang.StringIndexOutOfBoundsException: String index out of range: -26
09/26 15:08:48 [OpenClinica] USER ERROR XXXXXXXX o.a.o.c.s.CheckCRFLocked:578 - java.util.ConcurrentModificationException
VU University Medical Center
Dept. of Medical Oncology (Room 3A18)
De Boelelaan 1117
1081 HV Amsterdam