websphere - WAS 8.5.5.2 not able to connect to DB2 Datasource -

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i trying test datasource connection created on cluster in websphere 8.5.5.2 nd db2. click on test connection button, flashes me following message:

the test connection operation failed data source temp on server nodeagent @ node mynode001 following exception: java.sql.sqlinvalidauthorizationspecexception: [jcc][t4][2013][11249][4.16.53] connection authorization failure occurred. reason: user id or password invalid. errorcode=-4214, sqlstate=28000 dsra0010e: sql state = 28000, error code = -4,214.

i checked everything, username , password correct , not expired. driver files verified. tried restarting deployment manager node agents still displays me same error


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