Another problem now :
org.h2.jdbc.JdbcSQLException: Unsupported database file version or invalid file header in file /blablabla/database_name.h2.db [90048-122]
at org.h2.message.Message.getSQLException(Message.java:106)
at org.h2.message.Message.getSQLException(Message.java:117)
at org.h2.message.Message.getSQLException(Message.java:76)
at org.h2.store.PageStore.readStaticHeader(PageStore.java:563)
erreur : java.lang.NullPointerException
at org.h2.store.PageStore.openExisting(PageStore.java:284)
at org.h2.store.PageStore.open(PageStore.java:254)
at org.h2.engine.Database.getPageStore(Database.java:2294)
at org.h2.engine.Database.open(Database.java:625)
at org.h2.engine.Database.openDatabase(Database.java:228)
at org.h2.engine.Database.<init>(Database.java:222)
at org.h2.engine.Engine.openSession(Engine.java:58)
at org.h2.engine.Engine.openSession(Engine.java:142)
at org.h2.engine.Engine.getSession(Engine.java:122)
at org.h2.engine.SessionFactoryEmbedded.createSession(SessionFactoryEmbedded.java:17)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:245)
at org.h2.engine.SessionRemote.createSession(SessionRemote.java:223)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:110)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:94)
at org.h2.Driver.connect(Driver.java:58)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at controleur.ConnectionH2.<init>(ConnectionH2.java:31)
at modele.Projet.<init>(Projet.java:62)
at controleur.RestaurationProjet.restaureProjet(RestaurationProjet.java:39)
at vue.FenetrePrincipale.actionPerformed(FenetrePrincipale.java:2404)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.AbstractButton.doClick(AbstractButton.java:389)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:809)
at com.apple.laf.AquaMenuItemUI.doClick(AquaMenuItemUI.java:137)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:850)
at java.awt.Component.processMouseEvent(Component.java:6374)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6139)
at java.awt.Container.processEvent(Container.java:2085)
at java.awt.Component.dispatchEventImpl(Component.java:4736)
at java.awt.Container.dispatchEventImpl(Container.java:2143)
at java.awt.Component.dispatchEvent(Component.java:4566)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4621)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)
at java.awt.Container.dispatchEventImpl(Container.java:2129)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4566)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:680)
at java.awt.EventQueue.access$000(EventQueue.java:86)
at java.awt.EventQueue$1.run(EventQueue.java:639)
at java.awt.EventQueue$1.run(EventQueue.java:637)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$2.run(EventQueue.java:653)
at java.awt.EventQueue$2.run(EventQueue.java:651)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:650)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)