Migration/Integration with MySQL 5.6 fails with "Specified key was too long" error

2013-02-14 09:48:17,932 ERROR [ThreadPool2 ] fisheye DBEditHelper-doGet - Database migration failed: com.cenqua.crucible.hibernate.CruDBException: Problem with constraints script C:\fecru\fecru-2.10.1\sql\MYSQL\schema\constraints_80.sql
com.cenqua.crucible.hibernate.CruDBException: Problem with constraints script C:\fecru\fecru-2.10.1\sql\MYSQL\schema\constraints_80.sql

	at com.cenqua.crucible.hibernate.DefaultDBControl.addConstraints(DefaultDBControl.java:344)

	at com.atlassian.crucible.migration.item.DBImporter.importData(DBImporter.java:145)

	at com.atlassian.crucible.actions.admin.database.DBEditHelper$ImportRunner.call(DBEditHelper.java:90)

	at com.atlassian.crucible.actions.admin.database.DBEditHelper$ImportRunner.call(DBEditHelper.java:72)

	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)

	at java.util.concurrent.FutureTask.run(FutureTask.java:166)

	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)

	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

	at java.lang.Thread.run(Thread.java:722)

Caused by: com.cenqua.crucible.hibernate.CruDBException: SQL script error on line 124: "create index cru_idx_stored_path on cru_stored_path (cru_path);" 

(Specified key was too long; max key length is 767 bytes), please contact http://www.atlassian.com/support/

	at com.cenqua.crucible.hibernate.DefaultDBControl.executeScript(DefaultDBControl.java:510)

	at com.cenqua.crucible.hibernate.DefaultDBControl.executeScript(DefaultDBControl.java:441)

	at com.cenqua.crucible.hibernate.DefaultDBControl.addConstraints(DefaultDBControl.java:338)

	... 10 more

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

	at java.lang.reflect.Constructor.newInstance(Constructor.java:525)

	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

	at com.mysql.jdbc.Util.getInstance(Util.java:386)

	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053)

	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120)

	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052)

	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503)

	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664)

	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2788)

	at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1816)

	at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1730)

	at com.cenqua.crucible.hibernate.DefaultDBControl.executeScript(DefaultDBControl.java:482)

	... 12 more