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Not able to connect to SQL Developer all of a sudden

4243516May 3 2020 — edited May 3 2020

HI ALL,

Today suddenly am not able to connect my sql developer and getting below error:

ORA-12514, TNS: Listener does not currently know of service requested  in connect descriptor. Am using service as xepdb1 through which i was able to connect successfully till yesterday.

  • I have tried below commands in sql plus:
  • conn sys as sysdba
  • Connected.
  • alter session set container=xepdb1;
  • ORA-65011: Pluggable database does not exist.

Please help me with this as am not able to connect please.

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Added on May 3 2020
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