Re: Right version of jdbc

Or may be I am using wrong version of Java - java version "17.0.8"
2023-07-18 LTS

Raivo

On Thu, Sep 28, 2023 at 6:41 PM Raivo Rebane <raivore55(at)gmail(dot)com> wrote:

> Now I changed the Postgres Server to version 15 and making Tomcat 9.0
> project.
> Now I am using postgresql-42.6.0.jar driver, but Tomcat gives error :
> java.sql.SQLException: No suitable driver found for
> jdbc:postgresql://localhost:5432/mushroom_database
> What driver I have to use for suitable driver.
> Or must I downgrade my postgres version ?
>
> Regards
> Raivo
>
> On Thu, Sep 28, 2023 at 12:32 PM Dave Cramer <davecramer(at)postgres(dot)rocks>
> wrote:
>
>>
>> Dave Cramer
>> www.postgres.rocks
>>
>>
>> On Thu, 28 Sept 2023 at 02:18, Raivo Rebane <raivore55(at)gmail(dot)com> wrote:
>>
>>> Hi,
>>>
>>> I made a new Java application Eclipse Dynamic WEB application and want
>>> to use Postgres - PostgreSQL 10.14 on x86_64-pc-linux-gnu, compiled by gcc
>>> (Ubuntu 9.3.0-10ubuntu2) 9.3.0, 64-bit and Postgis - 2.4 USE_GEOS=1
>>> USE_PROJ=1 USE_STATS=1.
>>>
>>> I added some jdbc-s in my project webapps/WEB-INF/lib directory which
>>> now contains - javax.servlet-api.jar postgis-jdbc-2.2.1.jar
>>> postgresql-42.2.5.jre7.jar.
>>>
>>
>> postgresql-42.2.5.jre7.jar. is for java 7.
>> I suggest you use the latest versions of postgis and postgres jdbc
>>
>> Dave
>>
>>>
>>> But they don't fit the needs and I got from tomcat -
>>> java.sql.SQLException: No suitable driver found for
>>> jdbc:postgresql://localhost:5432/mushroom_database
>>> at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702)
>>> at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)
>>> at MushroomAPIs.AddMushrooms.doGet(AddMushrooms.java:30)
>>>
>>> What's wrong. Or is better to use more newer postgres. And then which
>>> jdbc-I need to use ?
>>>
>>> Regards
>>> Raivo
>>>
>>>
>>>
>>> On Wed, Sep 27, 2023 at 12:43 PM Dave Cramer <davecramer(at)postgres(dot)rocks>
>>> wrote:
>>>
>>>> First of all please use reply all so that everyone sees the answers.
>>>>
>>>> Not sure since PgObject is certainly in the jdbc jar. pgjdbc/pgjdbc/src/main/java/org/postgresql/util/PGobject.java
>>>> at 5709a20fbef453749d2394e11502527e4a3ab5bb · pgjdbc/pgjdbc (github.com)
>>>> <https://github.com/pgjdbc/pgjdbc/blob/5709a20fbef453749d2394e11502527e4a3ab5bb/pgjdbc/src/main/java/org/postgresql/util/PGobject.java#L19>
>>>>
>>>> I suggest at this point you provide a test project on github that you
>>>> can share.
>>>>
>>>> There is something wrong with the classpath
>>>>
>>>> Dave Cramer
>>>> www.postgres.rocks
>>>>
>>>>
>>>> On Wed, 27 Sept 2023 at 01:52, Raivo Rebane <raivore55(at)gmail(dot)com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>> Thanks for response, but if I using following dependencies :
>>>>>
>>>>> <dependencies>
>>>>>
>>>>> <dependency>
>>>>>
>>>>> <groupId>net.postgis</groupId>
>>>>>
>>>>> <artifactId>postgis-jdbc</artifactId>
>>>>>
>>>>> <version>2021.1.0</version>
>>>>>
>>>>> </dependency>
>>>>>
>>>>> <dependency>
>>>>>
>>>>> <groupId>org.postgresql</groupId>
>>>>>
>>>>> <artifactId>postgresql</artifactId>
>>>>>
>>>>> <version>42.6.0</version> <!-- Kasuta kõige uuemat versiooni -->
>>>>>
>>>>> </dependency>
>>>>>
>>>>> </dependencies>
>>>>>
>>>>> I have error :
>>>>>
>>>>> The type org.postgresql.util.PGobject cannot be resolved. It is
>>>>> indirectly referenced from required type org.postgis.PGgeometry
>>>>>
>>>>>
>>>>> What is wrong with me ?
>>>>>
>>>>>
>>>>> Raivo
>>>>>
>>>>