Oracle : Ошибка ORA-12219

"TNS:missing community name from address in ADDRESS_LIST"
*Cause: This error occurs when an ADDRESS_LIST has some ADDRESSes in it
that have no COMMUNITY component and others that do have a COMMUNITY
*Action: Check that in the connect descriptors you are using either
all the ADDRESSes have a COMMUNITY component or all do not.

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