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<Context>
    <Resource name="jdbc/sqlserver"
       auth="Container"
       type="javax.sql.DataSource"
       driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
       url="jdbc:sqlserver://localhost:1433"
       username="sa"
       password="123456"
       maxActive="20"
       maxIdle="10"
       maxWait="-1" />
</Context>
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<resource-ref>
    <res-ref-name>jdbc/sqlserver</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>Container</res-auth>
  </resource-ref>
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