IBM DB2 Manual page 351

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that established the trusted physical connection. If the cookies match, the
connection becomes available for immediate use, with different properties,
by the new user .
user
The client ID that the database system uses to establish the database
authorization ID. If the user was not authenticated by the application
server, the application server needs to pass a client ID that represents an
unauthenticated user.
password
The password for user.
gssCredential
If the data source uses Kerberos security, specifies a delegated credential
that is passed from another principal.
userNameRegistry
A name that identifies a mapping service that maps a workstation user ID
to a z/OS RACF ID. An example of a mapping service is the Integrated
Security Services Enterprise Identity Mapping (EIM). The mapping service
is defined by a plugin. Valid values for userNameRegistry are defined by the
plugin providers. If userNameRegistry is null, no mapping of user is done.
userSecToken
The client's security tokens. This value is traced as part of DB2 for z/OS
accounting data. The content of userSecToken is described by the application
server and is referred to by the database system as an application server
security token.
originalUser
The original user ID that was used by the application server.
properties
Properties for the reused connection.
reuseDB2Connection (untrusted reuse with reauthentication)
Formats:
public void reuseDB2Connection(String user,
String password,
java.util.Properties properties)
throws java.sql.SQLException
public void reuseDB2Connection(
org.ietf.jgss.GSSCredential gssCredential,
java.util.Properties properties)
throws java.sql.SQLException
The first of these forms of reuseDB2Connection is not supported for IBM Data
Server Driver for JDBC and SQLJ type 2 connectivity on DB2 for z/OS.
The second of these forms of reuseDB2Connection does not apply to IBM Data
Server Driver for JDBC and SQLJ type 2 connectivity on DB2 for z/OS.
In a heterogeneous pooling environment, these forms of reuseDB2Connection
reuse an existing Connection instance after reauthentication.
Parameter description:
user
The authorization ID that is used to establish the connection.
Chapter 7. JDBC and SQLJ reference information
335