| If a sequence exist, init of Hibernate fails with the below stacktrace. Test program attached If you let Hibernate create the sequence it works. ( hibernate.hbm2ddl.auto=create ) StackTrace:
Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=com.hibernate.Book]
at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:124)
at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:342)
at org.hibernate.internal.SessionFactoryImpl.lambda$new$1(SessionFactoryImpl.java:281)
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
at java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1620)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:280)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:708)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
at com.hibernate.HibernateUtil.<clinit>(HibernateUtil.java:14)
... 1 more
Caused by: java.lang.NullPointerException
at java.util.Objects.requireNonNull(Objects.java:203)
at java.util.Optional.<init>(Optional.java:96)
at java.util.Optional.of(Optional.java:108)
at java.util.stream.FindOps$FindSink$OfRef.get(FindOps.java:193)
at java.util.stream.FindOps$FindSink$OfRef.get(FindOps.java:190)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue(SequenceStyleGenerator.java:579)
at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:242)
at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:118)
... 17 more |
