Jakub Herkel created ARIES-2159:
-----------------------------------
Summary: Cannot obtain connection from DummyDataSource
Key: ARIES-2159
URL: https://issues.apache.org/jira/browse/ARIES-2159
Project: Aries
Issue Type: Bug
Components: JPA
Environment: Apache Karaf 4.4.6, openjdk 21, Postgresql 17 , Aries JPA
2.7.3, Hibernate 5.6.15
Reporter: Jakub Herkel
I can see this exception for every bundle that contains persistence unit:
{code:java}
2024-10-30T19:55:21,384 | INFO | features-3-thread-1 |
PersistenceBundleTracker | 177 - org.apache.aries.jpa.container - 2.7.3
| Found persistence unit chronos-i18n in bundle tech.pantheon.chronos.i18n.impl
with provider org.hibernate.jpa.HibernatePersistenceProvider.
2024-10-30T19:55:21,384 | INFO | features-3-thread-1 |
PersistenceProviderTracker | 177 - org.apache.aries.jpa.container - 2.7.3
| Found provider for chronos-i18n org.hibernate.jpa.HibernatePersistenceProvider
2024-10-30T19:55:21,384 | INFO | features-3-thread-1 | LogHelper
| 245 - org.hibernate.orm.core - 5.6.15.Final | HHH000204: Processing
PersistenceUnitInfo [name: chronos-i18n]
2024-10-30T19:55:21,385 | INFO | features-3-thread-1 | EnversServiceImpl
| 246 - org.hibernate.orm.envers - 5.6.15.Final | Envers integration
enabled? : true
2024-10-30T19:55:21,458 | INFO | features-3-thread-1 | Dialect
| 245 - org.hibernate.orm.core - 5.6.15.Final | HHH000400: Using
dialect: org.hibernate.dialect.PostgreSQL10Dialect
2024-10-30T19:55:21,458 | WARN | features-3-thread-1 |
JdbcEnvironmentInitiator | 245 - org.hibernate.orm.core - 5.6.15.Final
| HHH000342: Could not obtain connection to query metadata
java.lang.NullPointerException: Cannot invoke
"java.sql.Connection.getCatalog()" because the return value of
"java.sql.DatabaseMetaData.getConnection()" is null
at
org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl$Builder.apply(ExtractedDatabaseMetaDataImpl.java:184)
~[?:?]
at
org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentImpl.<init>(JdbcEnvironmentImpl.java:272)
~[?:?]
at
org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:114)
~[?:?]
at
org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
~[?:?]
at
org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:272)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:223)
~[?:?]
at
org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:175)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:295)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:252)
~[?:?]
at
org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:223)
~[?:?]
at
org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:173)
~[?:?]
at
org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127)
~[?:?]
at
org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1460)
~[?:?]
at
org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1494)
~[?:?]
at
org.hibernate.osgi.OsgiPersistenceProvider.createContainerEntityManagerFactory(OsgiPersistenceProvider.java:100)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceProviderTracker.createAndCloseDummyEMF(PersistenceProviderTracker.java:105)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceProviderTracker.addingService(PersistenceProviderTracker.java:86)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceProviderTracker.addingService(PersistenceProviderTracker.java:44)
~[?:?]
at
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:871)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183)
~[osgi.core-8.0.0.jar:?]
at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:321)
~[osgi.core-8.0.0.jar:?]
at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:264)
~[osgi.core-8.0.0.jar:?]
at
org.apache.aries.jpa.container.impl.PersistenceBundleTracker.trackProvider(PersistenceBundleTracker.java:229)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceBundleTracker.findPersistenceUnits(PersistenceBundleTracker.java:213)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceBundleTracker.addingBundle(PersistenceBundleTracker.java:98)
~[?:?]
at
org.apache.aries.jpa.container.impl.PersistenceBundleTracker.addingBundle(PersistenceBundleTracker.java:44)
~[?:?]
at
org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:475)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:420)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
~[osgi.core-8.0.0.jar:?]
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
~[osgi.core-8.0.0.jar:?]
at
org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:450)
~[osgi.core-8.0.0.jar:?]
at
org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915)
~[?:?]
at
org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834)
~[?:?]
at
org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516)
~[?:?]
at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4847) ~[?:?]
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2420) ~[?:?]
at org.apache.felix.framework.Felix.startBundle(Felix.java:2335) ~[?:?]
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:1006) ~[?:?]
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:992) ~[?:?]
at
org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:165)
~[?:?] {code}
There isn't any problem with functionality but this error in log is confusing
for QA team. During debugging this problem I found out that there is two-steps
procedure how a bundle with persistence unit is processed. At the first step
Aries JPA doesn't use a real data source but DummyDataSource. Real DataSource
is used later. This worked correctly with an old version of Hibernate but
probably a newer version of Hibernate changed a way how to obtain
dialect/metadata. Now there is a null pointer exception from this code
(ExtractedDatabaseMetaDataImpl.java)
{code:java}
public Builder apply(DatabaseMetaData databaseMetaData) throws SQLException {
connectionCatalogName =
databaseMetaData.getConnection().getCatalog(); <-- NPE
// NOTE : databaseMetaData.getConnection().getSchema() would
require java 1.7 as baseline
supportsRefCursors = StandardRefCursorSupport.supportsRefCursors(
databaseMetaData ); {code}
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