[hibernate-issues] [Hibernate-JIRA] Created: (HHH-7022) AbstractMultiTenantConnectionProvider never closes connections causing resource exhaustion

[Tomas Salfischberger (JIRA)]

AbstractMultiTenantConnectionProvider never closes connections causing resource exhaustion
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                 Key: HHH-7022
                 URL: https://hibernate.onjira.com/browse/HHH-7022
             Project: Hibernate ORM
          Issue Type: Bug
          Components: core
    Affects Versions: 4.0.1
         Environment: Hibernate 4.0.1.Final, any database, but tested locally with MySQL 5.1.58
            Reporter: Tomas Salfischberger
            Priority: Critical


In org.hibernate.service.jdbc.connections.spi.AbstractMultiTenantConnectionProvider the call to releaseConnection(String tenantIdentifier, Connection connection) does not actually close the connection. The method was probably copied from getConnection(String tenantIdentifier) resulting in this code:
{code}@Override
public void releaseConnection(String tenantIdentifier, Connection connection) throws SQLException {
	selectConnectionProvider( tenantIdentifier ).getConnection();
}{code}

Which opens a new connection anytime a connection is supposed to be closed and thus quickly exhausts all available connections.

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