2017-09-29 16:35:15,435 [http-apr-8080-exec-5] WARN  com.isomorphic.servlet.RequestContext  - dsRequest.execute() failed: 
javax.persistence.PersistenceException: Unable to configure EntityManagerFactory
	at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:378)
	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:56)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63)
	at lu.kpmg.test.smartGwt.server.conf.DatabaseFacade.init(DatabaseFacade.java:28)
	at lu.kpmg.test.smartGwt.server.conf.DatabaseFacade.getInstance(DatabaseFacade.java:38)
	at lu.kpmg.test.smartGwt.server.service.dmi.InvoiceDMI.fetch(InvoiceDMI.java:21)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.isomorphic.base.Reflection.adaptArgsAndInvoke(Reflection.java:873)
	at com.isomorphic.datasource.DataSourceDMI.execute(DataSourceDMI.java:434)
	at com.isomorphic.datasource.DataSourceDMI.execute(DataSourceDMI.java:64)
	at com.isomorphic.datasource.DSRequest.execute(DSRequest.java:2809)
	at com.isomorphic.servlet.IDACall.handleDSRequest(IDACall.java:230)
	at com.isomorphic.servlet.IDACall.processRPCTransaction(IDACall.java:187)
	at com.isomorphic.servlet.IDACall.processRequest(IDACall.java:152)
	at com.isomorphic.servlet.IDACall._processRequest(IDACall.java:119)
	at com.isomorphic.servlet.IDACall.doPost(IDACall.java:79)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
	at com.isomorphic.servlet.BaseServlet.service(BaseServlet.java:176)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2508)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2497)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Error while reading file:/C:/Tomcat8/temp/0-SmartGwtLightTest/WEB-INF/classes/
	at org.hibernate.ejb.packaging.NativeScanner.getFilesInJar(NativeScanner.java:195)
	at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(Ejb3Configuration.java:497)
	at org.hibernate.ejb.Ejb3Configuration.addMetadataFromScan(Ejb3Configuration.java:468)
	at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:354)
	... 42 more
Caused by: java.io.IOException: invalid constant type: 18
	at javassist.bytecode.ConstPool.readOne(ConstPool.java:967)
	at javassist.bytecode.ConstPool.read(ConstPool.java:910)
	at javassist.bytecode.ConstPool.<init>(ConstPool.java:127)
	at javassist.bytecode.ClassFile.read(ClassFile.java:630)
	at javassist.bytecode.ClassFile.<init>(ClassFile.java:52)
	at org.hibernate.ejb.packaging.AbstractJarVisitor.checkAnnotationMatching(AbstractJarVisitor.java:243)
	at org.hibernate.ejb.packaging.AbstractJarVisitor.executeJavaElementFilter(AbstractJarVisitor.java:209)
	at org.hibernate.ejb.packaging.AbstractJarVisitor.addElement(AbstractJarVisitor.java:170)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:121)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.getClassNamesInTree(ExplodedJarVisitor.java:129)
	at org.hibernate.ejb.packaging.ExplodedJarVisitor.doProcessElements(ExplodedJarVisitor.java:87)
	at org.hibernate.ejb.packaging.AbstractJarVisitor.getMatchingEntries(AbstractJarVisitor.java:146)
	at org.hibernate.ejb.packaging.NativeScanner.getFilesInJar(NativeScanner.java:192)
	... 45 more