Message Title

Articdive created an issue

Issue Type:	Bug
Affects Versions:	5.3.4
Assignee:	Unassigned
Components:	hibernate-core, hibernate-hikaricp
Created:	05/Aug/2018 04:55 AM
Environment:	Windows 10 H2 (1.4.197) Hibernate 5.3.4 (did not test past versions!) java version "1.8.0_171" Java(TM) SE Runtime Environment (build 1.8.0_171-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
Labels:	H2 bug h2
Priority:	Major
Reporter:	Articdive

So I have a project with modules, one of these modules is database, in the database module I have the setup for hibernate, my program allows certain modules to be reloaded so I close the hibernate sessionFactory when I do reload it. However when I create my SessionFactory again We recieve an error saying that H2 is locked by another process. At first I thought this might be the connection pool (C3P0) not closing, so I switched to HikariCP and have the same issue.
If we listen to the H2 error it says a connection is already open, but this is towards the old Database because of how H2 works I'm unable to check what that connection is.
Why do I think this is a Hibernate issue?: sessionFactory.close() should close all connections, it's somehow not?
I am unable to find any fix as of right now.

StackTraces:
[13:50:46] [Server thread/WARN]: org.hibernate.HibernateException: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Database may be already in use: "Locked by another process: C:/Users/Lukas/Desktop/BuildTools/Test Server/1.13/plugins/Metropoles/data/metropoles.lock.db". Possible solutions: close all other connection(s); use the server mode [90020-197]
[13:50:46] [Server thread/WARN]: at org.hibernate.hikaricp.internal.HikariCPConnectionProvider.configure(HikariCPConnectionProvider.java:63)
[13:50:46] [Server thread/WARN]: at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:100)
[13:50:46] [Server thread/WARN]: at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)
[13:50:46] [Server thread/WARN]: at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
[13:50:46] [Server thread/WARN]: at de.articdive.metropoles.database.HibernateDatabase.loadSettings(HibernateDatabase.java:115)
[13:50:46] [Server thread/WARN]: at de.articdive.metropoles.database.HibernateDatabase.<init>(HibernateDatabase.java:78)
[13:50:46] [Server thread/WARN]: Caused by: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Database may be already in use: "Locked by another process: C:/Users/Lukas/Desktop/BuildTools/Test Server/1.13/plugins/Metropoles/data/metropoles.lock.db". Possible solutions: close all other connection(s); use the server mode [90020-197]
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:512)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:105)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.HikariDataSource.<init>(HikariDataSource.java:71)
[13:50:46] [Server thread/WARN]: at org.hibernate.hikaricp.internal.HikariCPConnectionProvider.configure(HikariCPConnectionProvider.java:59)
[13:50:46] [Server thread/WARN]: ... 22 more
[13:50:46] [Server thread/WARN]: Caused by: org.h2.jdbc.JdbcSQLException: Database may be already in use: "Locked by another process: C:/Users/Lukas/Desktop/BuildTools/Test Server/1.13/plugins/Metropoles/data/metropoles.lock.db". Possible solutions: close all other connection(s); use the server mode [90020-197]
[13:50:46] [Server thread/WARN]: at org.h2.message.DbException.getJdbcSQLException(DbException.java:357)
[13:50:46] [Server thread/WARN]: at org.h2.message.DbException.get(DbException.java:179)
[13:50:46] [Server thread/WARN]: at org.h2.message.DbException.get(DbException.java:155)
[13:50:46] [Server thread/WARN]: at org.h2.store.FileLock.getExceptionAlreadyInUse(FileLock.java:433)
[13:50:46] [Server thread/WARN]: at org.h2.store.FileLock.lockFile(FileLock.java:325)
[13:50:46] [Server thread/WARN]: at org.h2.store.FileLock.lock(FileLock.java:108)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Database.open(Database.java:674)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Database.openDatabase(Database.java:286)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Database.<init>(Database.java:280)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Engine.openSession(Engine.java:66)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Engine.openSession(Engine.java:179)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Engine.createSessionAndValidate(Engine.java:157)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Engine.createSession(Engine.java:140)
[13:50:46] [Server thread/WARN]: at org.h2.engine.Engine.createSession(Engine.java:28)
[13:50:46] [Server thread/WARN]: at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:351)
[13:50:46] [Server thread/WARN]: at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:124)
[13:50:46] [Server thread/WARN]: at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:103)
[13:50:46] [Server thread/WARN]: at org.h2.Driver.connect(Driver.java:69)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:95)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:101)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:341)
[13:50:46] [Server thread/WARN]: at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:506)

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