User development, A new message was posted in the thread "jbpm 4.3 how to change process at runtime": http://community.jboss.org/message/523588#523588 Author : Alex Malex Profile : http://community.jboss.org/people/ammallex Message: -------------------------------------------------------------- If you try deploy process with <migrate-instances/> tag and you repository is clear now - you will get exception -   java.lang.IndexOutOfBoundsException: fromIndex = -1     at java.util.SubList.<init>(AbstractList.java:600)     at java.util.RandomAccessSubList.<init>(AbstractList.java:758)     at java.util.AbstractList.subList(AbstractList.java:468)     at org.jbpm.pvm.internal.migration.InstanceMigrator.getProcessesToMigrate(InstanceMigrator.java:104)     at org.jbpm.pvm.internal.migration.InstanceMigrator.getProcessInstancesToMigrate(InstanceMigrator.java:84)     at org.jbpm.pvm.internal.migration.InstanceMigrator.migrateAll(InstanceMigrator.java:27) ...   May be better handle similar situations? -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/523588#523588