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java.lang.NullPointerException at oracle.jdbc.driver.T2CConnection.logon(T2CConnection.java:327) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:347) at oracle.jdbc.driver.T2CConnection.<init>(T2CConnection.java:139) at oracle.jdbc.driver.T2CDriverExtension.getConnection(T2CDriverExtension.java:79) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:549)