How to run a JPA application using JShell

[João Antonio Ferreira]

Does anyone have any ideas on how to solve this problem ?

Tanks.



João Antonio (*Paraná*)
*cel. 21-99403-4143*



2016-01-01 15:31 GMT-02:00 João Antonio Ferreira <joao.parana at gmail.com>:

> Sure !
>
> Install Docker then run this commands:
>
> The *dockerhost.local* host is *boot2docker* or *docker-machine* host on
> MAC OS X or Windows. On Linux you can use 127.0.0.1
>
> docker pull parana/jshell
>
> export MYSQL_ROOT_PASSWORD=xpto
> docker run -d --name mysql_db -p 3306:3306 \
>        -e MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD \
>        -e MYSQL_DATABASE=test \
>        -e MYSQL_USER=test \
>        -e MYSQL_PASSWORD=test \
>        mariadb bash
>
> # Verify MySQL database connection
> mysql -u root -h *dockerhost.local* -p # Please provide the password xpto
> mysql> show databases;
> mysql> use test;
> mysql> show tables;
>
>
> Running JPA test with JShell on Docker container
>
> docker run -i -t --rm --name jshell \
>        --link mysql_db:mysql \
>        parana/jshell bash
>
> # Verifying persistence.xml
> jar -tvf target/myJshellAppLib.jar META-INF/persistence.xml
> # Testing  JAR App inside console. This run OK !
> java -jar target/myJshellAppLib.jar
>
> # Testing inside Shell. This throw an
> javax.persistence.PersistenceException
> jshell
> /classpath target/myJshellAppLib.jar
> import br.com.joaoparana.*
> App app = new App()
> String[] args = {}
> App.main(args)
>
> Starting JPA Test with MySql Database
>
> |  javax.persistence.PersistenceException thrown: *No Persistence
> provider for EntityManager named myPersistence*
>
> |        at Persistence.createEntityManagerFactory (Persistence.java:85)
>
> |        at App.getEMF (App.java:100)
>
> |        at App.main (App.java:37)
>
> |        at (#12:1)
>
> This simple project can be viewed on
> https://github.com/joao-parana/jshell/tree/master/my-jshell-app
>
> This sound like a Classloader problem.
>
> I hope this help.
>
> João Antonio
> ​
>
>
>
> 2015-12-30 9:44 GMT-02:00 Ben Evans <benjamin.john.evans at gmail.com>:
>
>> Hi Joao,
>>
>> Could you post a minimal test case that demonstrates the problem?
>>
>> Thanks,
>>
>> Ben
>>
>> On Wed, Dec 30, 2015 at 11:36 AM, João Antonio Ferreira
>> <joao.parana at gmail.com> wrote:
>> > I'm unable to load the persistence.xml file when using a Shell JPA
>> > application.
>> >
>> >
>> > João Antonio
>>
>
>