I'll bundle these commits in a PR later:

3772363 fixes https://lgtm.com/projects/g/hibernate/hibernate-orm/snapshot/06f0c3acb20bff63908e8310b571c53d55017998/files/hibernate-core/src/main/java/org/hibernate/internal/ExceptionConverterImpl.java#V62
Exception can never be of type HibernateException

2b340a7 and 82243ba fix https://lgtm.com/projects/g/hibernate/hibernate-orm/snapshot/06f0c3acb20bff63908e8310b571c53d55017998/files/hibernate-core/src/main/java/org/hibernate/tool/hbm2ddl/SchemaUpdateTask.java#V218
Close unclosed FileInputStream

259482a and 2d86f06 fix https://lgtm.com/projects/g/hibernate/hibernate-orm/snapshot/06f0c3acb20bff63908e8310b571c53d55017998/files/hibernate-core/src/main/java/org/hibernate/boot/archive/internal/ExplodedArchiveDescriptor.java#V149
Close unclosed JarFile

b81a119 fixes https://lgtm.com/projects/g/hibernate/hibernate-orm/snapshot/06f0c3acb20bff63908e8310b571c53d55017998/files/hibernate-core/src/main/java/org/hibernate/boot/archive/internal/JarFileBasedArchiveDescriptor.java#V74
Close unclosed JarInputStream by adding it to existing try-with-resources