This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
When set jar run on scheduled time, jar failed to connect Oracle,
or when program start running, and when I returned to my PC, sometime will drop connection and this error message come out.
but it is success when run jar manually.
Is it this is due to Oracle setting issue?