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Adam commented on TAP5-2582: ---------------------------- I see this was fixed in 5.4.4, which I am running, but still experiencing this issue when running with Hibernate 5.4.1. Is there anything else I need to be doing? Any configuration? > Service creation for Hibernate Session results in ClassFormatError: Duplicate > method name&signature > --------------------------------------------------------------------------------------------------- > > Key: TAP5-2582 > URL: https://issues.apache.org/jira/browse/TAP5-2582 > Project: Tapestry 5 > Issue Type: Bug > Components: tapestry-ioc > Affects Versions: 5.4.3 > Reporter: Thomas Mayer > Assignee: Thiago H. de Paula Figueiredo > Priority: Major > Labels: duplicate,method, hibernate, interface, ioc > Fix For: 5.4.4 > > > Hi, this report is for > tapestry-ioc 5.4.3 > hibernate-core 5.2.10.Final > openjdk version "1.8.0_121" > OpenJDK Runtime Environment (build 1.8.0_121-8u121-b13-0ubuntu1.16.04.2-b13) > OpenJDK 64-Bit Server VM (build 25.121-b13, mixed mode) > I'm trying to have a Service for a hibernate Session: > {code:java} > public static Session buildHibernateSession( > ObjectLocator objectLocator > ) { > return new Configuration() > .configure("hibernate.cfg.xml") > .buildSessionFactory() > .openSession(); > } > {code} > As soon as the Hibernate Session is invoked by Tapestry-IOC, I get an > error: java.lang.ClassFormatError: Duplicate method name&signature in > class file $Session_350f95bde0b5 -- This message was sent by Atlassian JIRA (v7.6.3#76005)