sorry, had a typo: maven does not exist, it is "mvn" ``` $ cd empire-db/empire-db-examples/empire-db-example-spring-boot $ mvn clean install $ java -jar target/empire-db-example-spring-boot-2.5.3.jar ```
On Fri, Aug 13, 2021 at 11:41 AM Daniel Wenning <[email protected]> wrote: > Hello Ralf, > > i tried to get the example working but I am struggeling with the > Datasource. > I got a first issue resolved, where the Logger was twice found in the > sourcetree but i think this is a local issue for me. > > > The issue I currently cannot resolve comes up, as soon as the datasource > tries to get a connection. > It tells me the HikariDatasource is null „HikariDatasource (null)“, > unfortunatly i do not get a Stacktrace. > The error occurs in SampleApp.java:240 as soon as the Connection shall be > fetched in the run() Method. > > As Rainer I have not much experience with Spring too, but tried get it > working non the less. > > > If you can have a look into it and hopefully have a solution for me. > > Thanks in advance and have a great weekend > > Greetings > > Daniel > > > > *Von:* Ralf Eichinger <[email protected]> > *Gesendet:* Dienstag, 10. August 2021 18:12 > *An:* [email protected] > *Betreff:* Re: Evaluating empire-db with Spring Boot > > > > Hi Rainer, > > > > I am glad to contribute. The example is without Spring JDBC Templates, > just pure Empire-DB, but configured > > over the convenience configuration features of Spring Boot > (application.yml, profiles and reading them with ConfigurationProperties). > > The DataSource is automatically instantiated when Spring Boot detects the > hsqldb driver on classpath and when dependency to spring-boot-starter-jdbc > is in pom.xml > > and by using standard datasource properties (see > https://docs.spring.io/spring-boot/docs/current/reference/html/application-properties.html#application-properties.data.spring.datasource.url > ) > > The DataSource uses automatically Hikari-ConnectionPool. > > > > Many greetings > > Ralf > > > > > > On Tue, Aug 10, 2021 at 4:21 PM Rainer Döbele <[email protected]> wrote: > > Hello Ralf, > > > > thank you very much for your Spring-Boot Example. > > We are happy that you are interested in Empire-db and every contribution > to our project is very much appreciated. > > > > We will gladly take a look at the example, but it might take a few days > before we can comment. > > > > Unfortunately I personally do not have experience with Spring Boot and > other Spring related components. > > But if I need some help to understand it, I will let you know. > > > > Best Regards, > > Rainer > > > > > > *Von:* Ralf Eichinger <[email protected]> > *Gesendet:* Montag, 9. August 2021 23:12 > *An:* [email protected] > *Betreff:* Re: Evaluating empire-db with Spring Boot > > > > ok, managed to implement a working spring boot example. > > opened a pull request for the new example: > > > > https://github.com/apache/empire-db/pull/11 > > > > please review if done properly > > > > On Mon, Aug 9, 2021 at 7:55 PM Ralf Eichinger <[email protected]> > wrote: > > I have to questions: > > > > 1. Is there an example code using empire-db with spring boot? > > e.g. using common application properties for connection/database setup > > > > currently I am using jdbi but do not like the "functional programming" row > mapping... > > > > the code example here: > > > https://github.com/apache/empire-db/tree/master/empire-db-examples/empire-db-example-spring > > seems to map empire-db to spring jdbc templates... > > > > but I want a barebones empire-db setup in a spring boot (without jdbc > template - for now) > > to get used to it. > > > > any tutorial/documentation beside this one: > http://empire-db.apache.org/documentation/tutorial.htm ? > > > > 2. I have JSONB columns in my postgres database. How to handle json > functions with empire-db? > > https://www.postgresql.org/docs/12/functions-json.html > > > > -- Ralf Eichinger Georg-Lindau-Str. 5 80634 München tel: 089 / 2375 6862 mobil: 0152 / 5368 5735 email: [email protected]
