in reply to ORA-12154: TNS:could not resolve the connect identifier specified (DBD ERROR: OCIServerAttach)

TNS:could not resolve

It's been a while since I've last used Oracle, but it looks like your TNSNAMES.ORA file is incomplete or missing. Maybe there is also a SQLNET.ORA file that disables TNSNAMES.ORA. Contact your Oracle admin for help. Try reading 1 and 2, it's knowledge from the days of Oracle 9 and 10, but still helps some people.

Alexander

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Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)
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