Long time lurker, active maybe 10 years ago when v62 was still a thing and the community was growing. Decided to make use of my free time to port over the guide written on Discord. Hopefully this helps more people to get into some sort of mushroom-game dev
Full credits to the Swordie team & contributors, especially Asura and Sjonnie who originally wrote this guide.
大神你好,感谢分享。运行server后,提示Exception in thread "main" org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:123)
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:77)
at org.hibernate.metamodel.internal.MetamodelImpl.initialize(MetamodelImpl.java:181)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:312)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:471)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:728)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:744)
at net.swordie.ms.connection.db.DatabaseManager.init(DatabaseManager.java:138)
at net.swordie.ms.Server.init(Server.java:61)
at net.swordie.ms.Server.main(Server.java:144)
Caused by: org.hibernate.InstantiationException: could not instantiate test object : net.swordie.ms.client.character.Char
at org.hibernate.engine.internal.UnsavedValueFactory.instantiate(UnsavedValueFactory.java:43)
at org.hibernate.engine.internal.UnsavedValueFactory.getUnsavedIdentifierValue(UnsavedValueFactory.java:68)
at org.hibernate.tuple.PropertyFactory.buildIdentifierAttribute(PropertyFactory.java:65)
at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:142)
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:612)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:126)
at sun.reflect.GeneratedConstructorAccessor20.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:96)
... 9 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.hibernate.engine.internal.UnsavedValueFactory.instantiate(UnsavedValueFactory.java:40)
... 18 more
Caused by: java.lang.UnsupportedClassVersionError: org/openjdk/nashorn/api/scripting/NashornScriptEngineFactory has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)