ORA-12505, TNS:listener does not currently know of SID given in connect descriptor

I fixed this issue by correcting my jdbc string.

For example, the correct jdbc string should be…

jdbc:oracle:thin:@myserver:1521/XE

But the jdbs string I was using is …

jdbc:oracle:thin:@myserver:1521:XE

(Note: between 1521 and XE should be a /)

This bad jdbc string give me a ORA-12505 error too.

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