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Connection problem with gui java program to postgreaql database using unix
Post 66399 by uci on Monday 14th of March 2005 01:22:07 AM
03-14-2005
Connection problem with gui java program to postgreaql database using unix
Having problem in connecting my gui java program to postgreaql database. I first used setenv classpath /home/share/postgresql/java/postgresql.jar
roj1, where proj1 is my folder conatining all java and class file, to set classpath. Then javac *.java. Then java proj1.Login. It gives me "java.lang.ClassNotFoundException: org.postgresql.Driver
", "java.lang.NullPointerException" and "Exception in thread 'main' java.lang.NoClassDefFoundError: Login"
so what is wrong with my command and what are the right commands?
PS: my db uses postgresql 7.4, my program involves jdk 1.4, I use x-window 6.0 to open the program, I am using ssh 3.2.9 to connect to unix server, and the os is solaris 8
roj1, where proj1 is my folder conatining all java and class file, to set classpath. Then javac *.java. Then java proj1.Login. It gives me "java.lang.ClassNotFoundException: org.postgresql.Driver", "java.lang.NullPointerException" and "Exception in thread 'main' java.lang.NoClassDefFoundError: Login"
so what is wrong with my command and what are the right commands?
PS: my db uses postgresql 7.4, my program involves jdk 1.4, I use x-window 6.0 to open the program, I am using ssh 3.2.9 to connect to unix server, and the os is solaris 8
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LEARN ABOUT MOJAVE
serialver
serialver(1) General Commands Manual serialver(1) NAME
serialver - serial version command SYNOPSIS
serialver [ options ] [ classnames ] options Command-line options, as specified in this document. classnames One or more class names. DESCRIPTION
serialver returns the serialVersionUID for one or more classes in a form suitable for copying into an evolving class. When invoked with no arguments, it prints a usage line. OPTIONS
-classpath <directories and zip/jar files separated by:> Set search path for application classes and resources. -show Displays a simple user interface. Enter the full class name and press either the Enter key or the Show button to display the serialVersionUID. -Joption Pass option to the Java virtual machine, where option is one of the options described on the man page for the java applica- tion launcher, java(1). For example, -J-Xms48m sets the startup memory to 48 megabytes. It is a common convention for -J to pass options to the underlying virtual machine. SEE ALSO
See (or search java.sun.com) for the following: java.io.ObjectStreamClass @ http://java.sun.com/j2se/1.5/docs/api/java/io/ObjectStreamClass.html 24 June 2004 serialver(1)