Re: begginer question jdbc not working (solved)

From: Neil Dugan <postgres(at)butterflystitches(dot)com(dot)au>
To: jdbc forum <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: begginer question jdbc not working (solved)
Date: 2005-11-07 07:38:50
Message-ID: 436F048A.8070306@butterflystitches.com.au
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Dave Cramer wrote:
> Neil,
>
> Just a shot in the dark, but I'm guessing you don't have your classpath
> set to the current directory.
>
> ie CLASSPATH=./
>
> that will find basic
>
> then you will need to add postgresql to it as well.
>
> Dave
> On 3-Nov-05, at 9:15 PM, Neil Dugan wrote:
>
>> Hi I am very new to Java.
>>
>> I am having trouble getting connection to a database. I installed
>> the Debian package 'libpg-java' version '8.0-312-1'.
>>
>> I can't seem to get it to work. I copied the 'basic.java' example
>> from '/usr/share/doc/libpg-java/examples/example' to the '/tmp'
>> directory. Then tried to compile and run it.
>> $ javac basic.java
>> basic.java: In class 'example.basic':
>> basic.java: In method 'example.basic.main(java.lang.String[])':
>> basic.java:206: warning: The method 'setLogStream' in class
>> 'java.sql.DriverManager' has been deprecated.
>> DriverManager.setLogStream(System.err);
>> ^
>> 1 warning
>>
>> $ java basic
>> java.lang.NoClassDefFoundError
>> at java.lang.VMClassLoader.nativeDefineClass (VMClassLoader.java)
>> at java.lang.VMClassLoader.defineClass (VMClassLoader.java:94)
>> at java.lang.ClassLoader.defineClass (ClassLoader.java:673)
>> at java.security.SecureClassLoader.defineClass
>> (SecureClassLoader.java:108)
>> at java.net.URLClassLoader.findClass (URLClassLoader.java:926)
>> at java.lang.ClassLoader.loadClass (ClassLoader.java:360)
>> at java.lang.ClassLoader$1.loadClass (ClassLoader.java:1285)
>> at java.lang.ClassLoader.loadClass (ClassLoader.java:304)
>> at java.lang.VirtualMachine.main (VirtualMachine.java:99)
>>
>> Any help in getting this to work would be appreciated.
>>
>> Regard Neil.
>>
>> ---------------------------(end of broadcast)---------------------------
>> TIP 2: Don't 'kill -9' the postmaster
>>
>>
>
>
Thanks Dave and others,

I got the example to work.
I had to set the CLASSPATH and put the source in an 'examples' subdir.

Regards Neil.

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