[jboss-jira] [JBoss JIRA] (WFLY-2027) EE Default DataSource is not working
Scott Marlow (JIRA)
jira-events at lists.jboss.org
Mon Oct 21 10:38:02 EDT 2013
[ https://issues.jboss.org/browse/WFLY-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12823619#comment-12823619 ]
Scott Marlow commented on WFLY-2027:
------------------------------------
Excellent question, I mean that the above (JPA spec) text was added to the earlier JPA 2.0 specification, which went into EE 6 (before the default data source concept was introduced into the EE 7 spec later).
{quote}
JPA 2.0 spec (EE 6) section 8.2.1.5 jta-data-source, non-jta-data-source
In Java EE environments, the jta-data-source and non-jta-data-source elements are used to specify the global JNDI name of the JTA and/or non-JTA data source to be used by the persistence provider. If neither is specified, the deployer must specify a JTA data source at deployment or a JTA data source must be provided by the container, and a JTA EntityManagerFactory will be created to correspond to it.
These elements name the data source in the local environment; the format of these names and the ability to specify the names are product specific.
In Java SE environments, these elements may be used or the data source information may be specified by other means—depending upon the requirements of the provider.
{quote}
> EE Default DataSource is not working
> ------------------------------------
>
> Key: WFLY-2027
> URL: https://issues.jboss.org/browse/WFLY-2027
> Project: WildFly
> Issue Type: Bug
> Components: ConfigAdmin, Domain Management, EE, JCA, JPA / Hibernate, Web Console
> Affects Versions: 8.0.0.Alpha4
> Reporter: Lincoln Baxter III
> Assignee: Eduardo Martins
> Fix For: 8.0.0.Beta1
>
>
> The EE spec states that a default datasource must be supplied under: java:comp/DefaultDataSource, and if none is specified by the @Resource or persistence.xml, it must be assumed:
> {code}EE 5.19
> The Java EE Platform requires that a Java EE Product Provider provide a database
> in the operational environment (see Section EE.2.6, “Database”). The Java EE
> Product Provider must also provide a preconfigured, default data source for use by
> the application in accessing this database.
> The Java EE Product Provider must make the default data source accessible to
> the application under the JNDI name java:comp/DefaultDataSource.
> The Application Component Provider or Deployer may explicitly bind a
> DataSource resource reference to the default data source using the lookup element
> of the Resource annotation or the lookup-name element of the resource-ref
> deployment descriptor element. For example,
> @Resource(lookup="java:comp/DefaultDataSource")
> DataSource myDS;
> In the absence of such a binding, the mapping of the reference will default to
> the product's default data source.
> For example, the following will map to a preconfigured data source for the
> product's default database:
> @Resource
> DataSource myDS;{code}
> This, isn't working however:
> {code}
> <persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://www.oracle.com/webfolder/technetwork/jsc/xml/ns/persistence/persistence_2_1.xsd">
> <persistence-unit name="default" transaction-type="JTA">
> </persistence-unit>
> </persistence>{code}
> Results in:
> {code}
> 10:41:31,002 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.persistenceunit."jpa-standard.war#default": org.jboss.msc.service.StartException in service jboss.persistenceunit."jpa-standard.war#default": org.hibernate.HibernateException: Connection cannot be null when 'hibernate.dialect' not set
> at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:134) [wildfly-jpa-8.0.0.Alpha4.jar:8.0.0.Alpha4]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_21]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_21]
> at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_21]
> at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.1.0.Final.jar:2.1.0.Final]
> Caused by: org.hibernate.HibernateException: Connection cannot be null when 'hibernate.dialect' not set
> at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:98)
> at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:66)
> at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:193)
> at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:88)
> at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159)
> at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
> at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1844)
> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1802)
> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:844)
> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:836)
> at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:368)
> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:835)
> at org.jboss.as.jpa.hibernate4.management.TwoPhaseBootstrapImpl.build(TwoPhaseBootstrapImpl.java:44)
> at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:115) [wildfly-jpa-8.0.0.Alpha4.jar:8.0.0.Alpha4]
> ... 4 more
> 10:41:31,010 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) JBAS014613: Operation ("full-replace-deployment") failed - address: ([]) - failure description: {"JBAS014671: Failed services" => {"jboss.persistenceunit.\"jpa-standard.war#default\"" => "org.jboss.msc.service.StartException in service jboss.persistenceunit.\"jpa-standard.war#default\": org.hibernate.HibernateException: Connection cannot be null when 'hibernate.dialect' not set
> Caused by: org.hibernate.HibernateException: Connection cannot be null when 'hibernate.dialect' not set"}}
> {code}
> Additionally, actually specifying the expected JDNI name of the default DS like this:
> {code} <persistence-unit name="default" transaction-type="JTA">
> <jta-data-source>java:comp/DefaultDataSource</jta-data-source>
> <exclude-unlisted-classes>false</exclude-unlisted-classes>
> </persistence-unit>{code}
> Results in this:
> {code}
> JBAS014775: New missing/unsatisfied dependencies:
> service jboss.naming.context.java.module.jpa-standard.jpa-standard.DefaultDataSource (missing) dependents: [service jboss.persistenceunit."jpa-standard.war#default".__FIRST_PHASE__]
> service jboss.persistenceunit."jpa-standard.war#default".__FIRST_PHASE__ (missing) dependents: [service jboss.deployment.unit."jpa-standard.war".POST_MODULE]
> {code}
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