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 >> >>>
