DB2数据库连接问题求助

db2inst1@linux-o2dw:~> db2 connect to sample user db2inst1 using db2inst1

   Database Connection Information

Database server        = DB2/LINUXX8664 10.5.5

SQL authorization ID   = DB2INST1

Local database alias   = SAMPLE

db2inst1@linux-o2dw:~> db2 -td@ -vf /opt/db2/1.db2_database.sql

drop database sample

SQL30082N  Security processing failed with reason "3" ("PASSWORD MISSING").  

SQLSTATE=08001

CREATE DATABASE sample USING CODESET UTF-8 TERRITORY US CATALOG TABLESPACE MANAGED BY SYSTEM USING ( '/oradata/catlogspace'  ) EXTENTSIZE 32 PREFETCHSIZE 64 USER TABLESPACE MANAGED BY SYSTEM USING ('/oradata/usertablespace') EXTENTSIZE 32 PREFETCHSIZE 64 TEMPORARY TABLESPACE MANAGED BY SYSTEM USING ('/oradata/tempspace') EXTENTSIZE 32 PREFETCHSIZE 64

SQL1047N  The application is already connected to another database.