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There can be numerous causes for this error. ORA-03113 is a catch-all type error for any problem interrupting an Oracle session. ORA-03113: end-of-file on communication channel ORA-12541: TNS: no listener: PORT value incorrect.ORA-12514: TNS listener does not currently know of service requested in connect descriptor: SERVICE value incorrect.ORA-12154: TNS: could not resolve the connect identifier specified: HOST value incorrect or Global name incorrect or unknown.ORA-03113: end-of-file on communication channel.If your connection error requires more troubleshooting, refer to the five common connection errors listed below. WORLD database name resolves most Oracle connection issues. Often, correcting route or naming syntax in the Advanced Oracle Connection dialog box or using your full. For instance, if you have installed only the Tableau-provided Oracle files and do not have a stand-alone Oracle client, the Oracle error messages will still refer to the TNSNames.ora file, making troubleshooting complicated.
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Oracle drivers require very specific connection statements in a unique format, though a TNSNames.ora file may not always be required.
#ORACLE FOR MAC IO HOW TO#
How to troubleshoot Oracle Connection errors.
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