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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

java.lang.NumberFormatException: null	at java.lang.Integer.parseInt(	at java.lang.Integer.parseInt(	at Source)	at Source)	at Source)	at Source)	at Source)	at Source)	at Source)	at oracle.jdbc.ttc7.TTC7Protocol.connect(	at oracle.jdbc.ttc7.TTC7Protocol.logon(	at oracle.jdbc.driver.OracleConnection.(	at oracle.jdbc.driver.OracleDriver.getConnectionInstance(	at oracle.jdbc.driver.OracleDriver.connect(	at java.sql.DriverManager.getConnection(	at java.sql.DriverManager.getConnection(	at oracle.panama.util.ConnectInfo.getConnection(	at oracle.panama.util.ConnectInfo.setConnectionPoolInfo(	at oracle.panama.util.ConnectInfo.getConnectInfo(	at oracle.panama.sysmgmt.server.PTGProcessManager.getSMAgentSingleton(	at oracle.panama.sysmgmt.server.PTGProcessManager.initProcessManager(