This seems to be related with oracle:
18:37:00,256 ERROR [org.hibernate.tool.hbm2ddl.SchemaUpdate] (MSC service thread 1-7) HHH000388: Unsuccessful: alter table NodeInstanceLog add connection varchar2(255 char)
18:37:00,258 ERROR [org.hibernate.tool.hbm2ddl.SchemaUpdate] (MSC service thread 1-7) ORA-01430: �����Ѵ���Ҫ���ӵ���
18:37:00,262 ERROR [org.hibernate.tool.hbm2ddl.SchemaUpdate] (MSC service thread 1-7) HHH000388: Unsuccessful: alter table NodeInstanceLog add externalId varchar2(255 char)
18:37:00,263 ERROR [org.hibernate.tool.hbm2ddl.SchemaUpdate] (MSC service thread 1-7) ORA-01430: �����Ѵ���Ҫ���ӵ���
Can you check the encoding and your settings? I don't have an oracle database to test here..
Can you also try doing the following:
1) go inside your <jboss as>/bin
2) do rm -rf .niogit/ -> that's where the example repository is stored for jboss as 7
Cheers