# \#jdbc

**URL:** https://forum.inductiveautomation.com/tag/jdbc/86.md

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## [Postgres JDBC 2nd Connection Class not found](https://forum.inductiveautomation.com/t/postgres-jdbc-2nd-connection-class-not-found/116654)

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**Author:** [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Replies:** 6\
**Last updated:** [August 16, 2026, 6:18pm UTC](https://forum.inductiveautomation.com/t/postgres-jdbc-2nd-connection-class-not-found/116654 "2026-08-16T18:18:45Z")

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Got an odd possible bug. v8.1 to v8.3 conversion testing. Client has a PostgreSQL cluster with two distinct databases. Both URLs point at the same IP and port--just the DB name is different: jdbc:postgresql://a.b.c.…