PSQLException: This connection has been closed

[SShnoodles]

PSQLException: This connection has been closed

Use Base.atomic is error
No use is normal

[hellokaton]

You can try

<dependency>
    <groupId>com.bladejava</groupId>
    <artifactId>blade-jdbc-core</artifactId>
    <version>0.0.1-RELEASE</version>
</dependency>

If you use postgresql, add dependency and the postgre version used

<dependency>
    <groupId>com.bladejava</groupId>
    <artifactId>blade-jdbc-postgresql</artifactId>
    <version>0.0.1-RELEASE</version>
</dependency>
<dependency>
    <groupId>postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <version>9.1-901.jdbc4</version>
</dependency>

[SShnoodles]

maven cannot download the blade-jdbc-postgresql , is this not updated.