INTRODUCTION Most customers using Informix products are used to having an option which gives them the version of the product being used. This is usually done at the command line using the '-V' option or using a special utility. For example: esql -V would give the version of esql or the utility ifxgetversion can be used to display the version of the ClientSDK. It is also possible to obtain the version of the JDBC driver contained in the ifxjdbc.jar file from the command line. BEFORE YOU BEGIN Make sure you have set the CLASSPATH variable correctly to include the location of ifxjdbc.jar ( or ifxjdbc-g.jar ) and that your PATH has the JDK in it. STEPS Execute the following java com.informix.jdbc.Version The following examples shows sample output.% java com.informix.jdbc.Version IBM Informix JDBC Driver Version 2.21.JC5 COMMON PROBLEM Symptom: Exception in thread 'main' java.lang.NoClassDefFoundError: com/informix/jdbc/Version Resolution: Make sure that ifxjdbc.jar is in your CLASSPATH.

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If you see ifxjdbc.jar in the CLASSPATH, make sure that ifxjdbc.jar exists in the location specified.