Sorry. I accidentally usin postgres 16, which was empty Many thanks for advise !!!
Raivo On Sat, Sep 30, 2023 at 8:18 AM Raivo Rebane <raivor...@gmail.com> wrote: > May be I have to copy PostGis draiver also to tomcat/lib ? > > Raivo > > On Sat, Sep 30, 2023 at 8:01 AM Raivo Rebane <raivor...@gmail.com> wrote: > >> Hi, >> I copied the postgres driver to Tomcat/lib. >> PS C:\Program Files\Apache Software Foundation\Tomcat 9.0\lib> dir post* >> Directory: C:\Program Files\Apache Software Foundation\Tomcat 9.0\lib >> Mode LastWriteTime Length Name >> ---- ------------- ------ ---- >> -a---- 28.09.2023 14:40 1081604 postgresql-42.6.0.jar >> but Tomcat remains to give error - >> java.sql.SQLException: No suitable driver found for >> jdbc:postgresql://localhost:5432/mushroom_database >> I am using Postgres 15. May be I have to use more older one ? >> >> >> Raivo >> >> On Sat, Sep 30, 2023 at 6:32 AM Craig McIlwee <cra...@vt.edu> wrote: >> >>> > for some reason the postgresql jar is not in the classpath. >>> >>> This is due to the way that Tomcat loads drivers, which is documented at >>> [1]. In short, the JDBC driver should be placed in the tomcat/lib >>> directory and removed from the application's WEB-INF/lib directory. After >>> doing that, I was able to get past the "No suitable driver" exception. >>> >>> OP, you should read that entire page, and in particular the portion at >>> [2]. By registering a "Resource" with Tomcat, you can let it manage a >>> connection pool for you (if you aren't already using something like >>> PgBouncer or pgpool) and, if registered at the container level, in the >>> future you can share that pool across all of your web applications in the >>> container. >>> >>> [1] >>> https://tomcat.apache.org/tomcat-9.0-doc/jndi-datasource-examples-howto.html#DriverManager,_the_service_provider_mechanism_and_memory_leaks >>> [2] >>> https://tomcat.apache.org/tomcat-9.0-doc/jndi-datasource-examples-howto.html#PostgreSQL >>> >>> Craig >>> >>>>
