Using 2.1.1. Trying to completely disable connection pooling by
EclipseLink as it's handled externally, but I randomly get the
following exception where it tries to get a connection on its own
but fails.
Exception Description: Unable to acquire a connection from driver
[null], user [null] and URL [null]. Verify that you have set the
expected driver class and URL. Check your login, persistence.xml
or sessions.xml resource. The jdbc.driver property should be set
to a class that is compatible with your database platform
at
org.eclipse.persistence.exceptions.DatabaseException.unableToAcquireConnectionFromDriverException(DatabaseException.java:376)
at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:91)
In my session customizer I have:
session.getLogin().setConnector(new
JNDIConnector(dataSource)); // I get dataSource from Spring
session.getLogin().useExternalConnectionPooling();
My persistence.xml looks like:
<persistence xmlns="
http://java.sun.com/xml/ns/persistence"
xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0">
<persistence-unit name="db">
<properties>
<property name="eclipselink.target-database"
value="ca.utoronto.sis.sws.db.ExtendedDB2MainframePlatform"/>
<property name="eclipselink.logging.level" value="FINE"/>
<property name="eclipselink.logging.logger" value="SLF4JSessionLog"/>
<property name="eclipselink.session.customizer"
value="EclipseLinkSessionCustomizer"/>
</properties>
</persistence-unit>
</persistence>
Any idea why it's trying to go and do this on its own when I tell
it not to?
Thanks,
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