sandynz opened a new issue #6943:
URL: https://github.com/apache/shardingsphere/issues/6943
## Bug Report
### Which version of ShardingSphere did you use?
master branch, 5.0.0-RC1-SNAPSHOT
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
Keep original password unchanged.
### Actual behavior
DCL integration test hang up.
From PostgreSQL log `postgresql-2020-08-18_071719`:
```
2020-08-18 22:20:00.431 HKT [17060] STATEMENT: DROP USER user_dev
2020-08-18 22:20:00.432 HKT [17060] ERROR: role "user_dev_new" does not
exist
2020-08-18 22:20:00.432 HKT [17060] STATEMENT: DROP USER user_dev_new
2020-08-18 22:20:00.670 HKT [1216] FATAL: password authentication failed
for user "postgres"
2020-08-18 22:20:00.670 HKT [1216] DETAIL: Password does not match for user
"postgres".
Connection matched pg_hba.conf line 80: "host all all
127.0.0.1/32 md5"
...
2020-08-18 23:00:34.293 HKT [3340] DETAIL: Password does not match for user
"postgres".
Connection matched pg_hba.conf line 80: "host all all
127.0.0.1/32 md5"
2020-08-18 23:01:05.986 HKT [2032] FATAL: password authentication failed
for user "root"
2020-08-18 23:01:05.986 HKT [2032] DETAIL: Role "root" does not exist.
Connection matched pg_hba.conf line 82: "host all all
::1/128 md5"
```
### Reason analyze (If you can)
ALTER PASSWORD statement executed.
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
1, env.properties:
rule.types=db
databases=PostgreSQL
postgresql.host=127.0.0.1
postgresql.password=test
2, go to shardingsphere-test-suite module
3, mvn clean install
### Example codes for reproduce this issue (such as a github link).
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