RE: [INTERFACES] NullPointerException in blobtest (JDBC)

From: Peter Mount <petermount(at)it(dot)maidstone(dot)gov(dot)uk>
To: "'t-ishii(at)sra(dot)co(dot)jp'" <t-ishii(at)sra(dot)co(dot)jp>, Ellen Spertus <spertus(at)ella(dot)mills(dot)edu>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: RE: [INTERFACES] NullPointerException in blobtest (JDBC)
Date: 1999-06-21 07:54:30
Message-ID: 1B3D5E532D18D311861A00600865478C9F9F@exchange1.nt.maidstone.gov.uk
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Looks ok, except you should use db.commit() (which Heroth has already
stated) ;-)

Peter

--
Peter Mount
Enterprise Support
Maidstone Borough Council
Any views stated are my own, and not those of Maidstone Borough Council.

-----Original Message-----
From: Tatsuo Ishii [mailto:t-ishii(at)sra(dot)co(dot)jp]
Sent: Sunday, June 20, 1999 6:42 AM
To: Ellen Spertus
Cc: pgsql-interfaces(at)postgreSQL(dot)org
Subject: Re: [INTERFACES] NullPointerException in blobtest (JDBC)

> I am getting a NullPointerException when running blobtest. I am using
the latest version of everything:
>
> - postgresql 6.5
> - jdk 1.2
> - jdbc6.5-1.2
> - the version of blobtest.java that came with postgresql 6.5
> - OS: RH6.0
> - x86 (AMD K6)
[snip]

6.5 Large Objects requires each access to LO being inside a
transaction. Try following patches. Peter, can you check them?
---
Tatsuo Ishii
----------------------------------------------------------
*** blobtest.java~ Tue Jan 13 11:19:16 1998
--- blobtest.java Sun Jun 20 14:10:59 1999
***************
*** 40,45 ****
--- 40,46 ----
// Connect to database
System.out.println("Connecting to Database URL = " + url);
db = DriverManager.getConnection(url, usr, pwd);
+ db.setAutoCommit(false);
System.out.println("Connected...Now creating a statement");
s = db.createStatement();

***************
*** 52,57 ****
--- 53,60 ----
// Now run tests using JDBC methods
//jdbcapi(db,s);

+ s.executeUpdate("commit");
+
// Finally close the database
System.out.println("Now closing the connection");
s.close();

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