I have two programs running in java8. One is a webapp using hibernate, jpa with java ee7 inside tomcat. that works like a charm. The other is a command line program used as a utility to upload reference data into database. This second one fails at the step of creating a EntityManagerFactory. The work around is to remove all lambda expressions from my code and then run my tool. In other words, just removing all java8 lambda expressions works around this bug. Here is the line of code that fails:
EntityManagerFactory trelair = Persistence.createEntityManagerFactory("puName", config.getProperties());
Here is the stack trace:
{noformat}
Caused by: org.hibernate.jpa.boot.archive.spi.ArchiveException: Could not build ClassFile
at org.hibernate.jpa.boot.scan.spi.ClassFileArchiveEntryHandler.toClassFile(ClassFileArchiveEntryHandler.java:88)
at org.hibernate.jpa.boot.scan.spi.ClassFileArchiveEntryHandler.handleEntry(ClassFileArchiveEntryHandler.java:65)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:167)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:142)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:142)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:142)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:142)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.processDirectory(ExplodedArchiveDescriptor.java:142)
at org.hibernate.jpa.boot.archive.internal.ExplodedArchiveDescriptor.visitArchive(ExplodedArchiveDescriptor.java:78)
at org.hibernate.jpa.boot.scan.spi.AbstractScannerImpl.scan(AbstractScannerImpl.java:72)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.scan(EntityManagerFactoryBuilderImpl.java:723)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:219)
at org.hibernate.jpa.boot.spi.Bootstrap.getEntityManagerFactoryBuilder(Bootstrap.java:51)
at org.hibernate.jpa.HibernatePersistenceProvider.getEntityManagerFactoryBuilderOrNull(HibernatePersistenceProvider.java:129)
at org.hibernate.ejb.HibernatePersistence.getEntityManagerFactoryBuilderOrNull(HibernatePersistence.java:94)
at org.hibernate.jpa.HibernatePersistenceProvider.getEntityManagerFactoryBuilderOrNull(HibernatePersistenceProvider.java:86)
at org.hibernate.ejb.HibernatePersistence.getEntityManagerFactoryBuilderOrNull(HibernatePersistence.java:102)
at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:67)
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