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https://issues.apache.org/jira/browse/TOMEE-171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270028#comment-13270028
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Romain Manni-Bucau commented on TOMEE-171:
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in persistence.xml use <jta-data-source>jsf_ejb_jpa/myDS</jta-data-source> and
in web.xml <name>myDS</name> (another note is default password is empty) and it
should work.
@DataSourceDefinition or the web.xml datasource is not very well specified
actually :s
in tomee we add the app name before the datasource name in jndi that's why you
need to add it in your persistence.xml (but that's not mandatory injecting the
datasource normally)
i'll have a quick look to see if we can do better
> TomEE automatically directs embedded (@DataSourceDefinition) h2 datasource to
> hsqldb
> ------------------------------------------------------------------------------------
>
> Key: TOMEE-171
> URL: https://issues.apache.org/jira/browse/TOMEE-171
> Project: TomEE
> Issue Type: Bug
> Affects Versions: 1.0.0-beta-2
> Environment: Mac OS X 10.6.8, JDK6u31, h2 1.3.161
> Reporter: Henk de Boer
> Attachments: crudh2_eclipseproject.zip
>
>
> When trying to run an example CRUD application for Java EE 6 (see
> http://henk53.wordpress.com/2012/04/15/jsf2-primefaces3-ejb3-jpa2-integration-project)
> on TomEE beta 2, I noticed that the logs and data for the embedded h2
> datasource end up as hsqldb equivalents in [TOMEE HOME]/data/hsqldb/.
> The datasource definition in web.xml is as follows:
> {code:xml}
> <data-source>
> <name>java:app/MyApp/myDS</name>
> <class-name>org.h2.jdbcx.JdbcDataSource</class-name>
> <url>jdbc:h2:~/mydb;DB_CLOSE_DELAY=-1</url>
> <user>sa</user>
> <password>sa</password>
> <transactional>true</transactional>
> <isolation-level>TRANSACTION_READ_COMMITTED</isolation-level>
> <initial-pool-size>2</initial-pool-size>
> <max-pool-size>10</max-pool-size>
> <min-pool-size>5</min-pool-size>
> <max-statements>0</max-statements>
> </data-source>
> {code}
> So clearly it should be using h2, and the DB should be created in my home as
> {{mydb}}. When I remove the h2 implementation jar from WEB-INF/lib, TomEE
> does complain, so it does try to do something with h2 for sure. Inspecting
> the log reveals it really are hsqldb log lines and not h2.
> What's happening here? Why is TomEE silently swapping one DB for the other?
>
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