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java 10 with jpa eclipselink and tomcat 9 [message #1784911]

Thu, 05 April 2018 15:28

Riccardo Cohen

Messages: 2
Registered: April 2018

Junior Member

Hello
I'm using Tomcat 9.0.6 with java 1.8 and EclipseLink org.eclipse.persistence:org.eclipse.persistence.jpa:2.7.1

This works fine !

I try to migrate to java 10 without changing anything else :
JAVA_VERSION="10"
JAVA_VERSION_DATE="2018-03-20"
downloaded into my mac from https : / / download.java.net/java/GA/jdk10/10/binaries/openjdk-10_osx-x64_bin.tar.gz

I had to add 2 libraries in maven depandencies :
javax.activation:activation:1.1.1
javax.xml.bind:jaxb-api:2.3.0

The server succeded to launch. But at launch time I have the info :

[EL Warning]: metamodel: 2018-03-28 13:55:44.159--The collection of metamodel types is empty. Model classes may not have been found during entity search for Java SE and some Java EE container managed persistence units. Please verify that your entity classes are referenced in persistence.xml using either <class> elements or a global <exclude-unlisted-classes>false</exclude-unlisted-classes> element

With java 10, the persistence.xml seems to be ignored. This is the content of the file :

<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="maindb" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>Data.E5User</class>
<class>Data.E5Witem</class>
<properties>
<property name="javax.persistence.nonJtaDataSource" value="java:comp/env/jdbc/wfdb"/>

<property name="eclipselink.logging.level" value="INFO"/>
</properties>
</persistence-unit>
</persistence>

I tried googling but found very few information about java 9 or 10 for eclipselink.
I asked twice on the Tomcat mailing list but had no answer.
Adding javax.persistence library did not help.
Maybe this is related to new "module" organization of java 9 ? But I wouldn't know how to fix this.

Thanks for your help

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