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loading jar fies

 
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Canuck



Joined: 30 Dec 2009
Posts: 25
PostPosted: Thu Feb 10, 2011 10:13 pm    Post subject: loading jar fies Reply with quote
Hello
In this case, I cannot get

Class.forName ("org.postgresql.Driver");

to work.

I have used customize...> Libraries to access
postgresql-9.0-801.jdbc4.jar.
the test program chokes with a

java.lang.ClassNotFoundException: org.postgresql.Driver

error. I have looked and postgresql-9.0-801.jdbc4.jar does indeed have
a "org.postgresql.Driver" member.

How can I have messed up such a simple thing??

Thank you for your time.

dkr
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areeda



Joined: 28 Aug 2008
Posts: 469
Location: Los Angeles
PostPosted: Fri Feb 11, 2011 6:01 am    Post subject: Re: loading jar fies Reply with quote
Canuck wrote:


I have used customize...> Libraries to access
postgresql-9.0-801.jdbc4.jar.

I think you want to right click on the project, go to the libraries and add postgress there.

Joe
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Canuck



Joined: 30 Dec 2009
Posts: 25
PostPosted: Fri Feb 11, 2011 4:50 pm    Post subject: loading jar fies Reply with quote
On 11-02-10 11:01 PM, areeda wrote:
Quote:
Canuck wrote:
Quote:

I have used customize...> Libraries to access
postgresql-9.0-801.jdbc4.jar.

Quote:
Quote:
I think you want to right click on the project, go to the libraries and add postgress there.

Joe
Thank you for your time. Yes I clicked on the project & post*jar is
already there; but it
stilI refuses to cooperate! I think it hates me!

dkr
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Canuck



Joined: 30 Dec 2009
Posts: 25
PostPosted: Fri Feb 11, 2011 6:19 pm    Post subject: loading jar fies Reply with quote
On 11-02-11 09:48 AM, Doug Robinson wrote:
Quote:
On 11-02-10 11:01 PM, areeda wrote:
Quote:
Canuck wrote:
Quote:

I have used customize...> Libraries to access
postgresql-9.0-801.jdbc4.jar.

Quote:
Quote:
I think you want to right click on the project, go to the libraries
and add postgress there.

Joe
Thank you for your time. Yes I clicked on the project & post*jar is
already there; but it
stilI refuses to cooperate! I think it hates me!

dkr



I forgot to mention that I have installed NetBeans 7.0BETA
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areeda



Joined: 28 Aug 2008
Posts: 469
Location: Los Angeles
PostPosted: Fri Feb 11, 2011 8:43 pm    Post subject: Re: loading jar fies Reply with quote
Canuck wrote:
]I forgot to mention that I have installed NetBeans 7.0BETA

I just ran a test on 7.0B2 so it might be a little different.

Code:
    public static void main(String[] args) throws SQLException
    {
        try
        {
            Class.forName("org.postgresql.Driver");

            String connUrl = "dbc:postgresql:://localhost/" + "test";
            Connection connection = DriverManager.getConnection(connUrl, "test", "pass");
            Statement statement = connection.createStatement();
        }
        catch (ClassNotFoundException ex)
        {
            Logger.getLogger(PostgresqlTest.class.getName()).log(Level.SEVERE, null, ex);
        }

Works fine. I used the library included with NetBeans not the postgres jar file I'm not familiar with the one you are using but I'm more of a mysql guy with minimal pg experience.

the library name I used is called PostgreSQL JDBC Driver
You might be getting a lower level without the JDBC hooks.

Joe
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Canuck



Joined: 30 Dec 2009
Posts: 25
PostPosted: Sat Feb 12, 2011 6:03 pm    Post subject: loading jar fies Reply with quote
On 11-02-11 01:44 PM, areeda wrote:
Quote:
Canuck wrote:
Quote:
]I forgot to mention that I have installed NetBeans 7.0BETA
I just ran a test on 7.0B2 so it might be a little different.


Code:
public static void main(String[] args) throws SQLException
{
try
{
Class.forName("org.postgresql.Driver");

String connUrl = "dbc:postgresql:://localhost/" + "test";
Connection connection = DriverManager.getConnection(connUrl, "test", "pass");
Statement statement = connection.createStatement();
}
catch (ClassNotFoundException ex)
{
Logger.getLogger(PostgresqlTest.class.getName()).log(Level.SEVERE, null, ex);
}



Works fine. I used the library included with NetBeans not the postgres jar file I'm not familiar with the one you are using but I'm more of a mysql guy with minimal pg experience.

the library name I used is called PostgreSQL JDBC Driver
You might be getting a lower level without the JDBC hooks.

Joe





OK got it - unfortunately I cannot blame Netbeans for my
failure to add post*.jar to the correct project.
Duh!
Thanks again
dkr
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