Re: Security manager changing the jdbc Connection class? [Viruschecked]

From: Barry Lind <blind(at)xythos(dot)com>
To: Patric Bechtel <bechtel(at)ipcon(dot)de>
Cc: pgsql-jdbc <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: Security manager changing the jdbc Connection class? [Viruschecked]
Date: 2003-01-14 01:12:24
Message-ID: 3E2363F8.7070200@xythos.com
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Patric,

What patch would that be? The only patch I have from you in the queue
is the "streaming resultsets" patch. I don't think this has anything to
do with resultsets.

--Barry

Patric Bechtel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Mon, 13 Jan 2003 09:46:21 -0800, Barry Lind wrote:
>
> I already know this bug... and fixed it in my patch.
> Anyone got an eye onto it?
>
>
>>The jar file should have a org/postgresql/jdbc2/AbstractJdbc2Connection
>>in it. AbstractJdbc3Connection extends AbstractJdbc2Connection so both
>>are necessary.
>
>
>>--Barry
>
>
>
>>Rich Cullingford wrote:
>>
>>>All,
>>>This bizarre behaviour occurs after I compile the jdbc jar from source
>>>(/usr/local/java/jdk->j2sdk1.4.1, 'configure' & 'gmake' build a JDBC3
>>>edition driver). I placed 'postgresql.jar' in /usr/local/java/lib, which
>>>is in CLASSPATH.
>>>
>>>The server has been set up to receive TCP/IP connections. Now I compile
>>>and run basic.java in the 'examples' directory, and (with debug 'on') get:
>>>
>>>[rculling(at)thriller example]$ java basic jdbc:postgresql:rculling rcu
>>>ng debug
>>>PostgreSQL basic test v6.3 rev 1
>>>
>>>DriverManager.initialize: jdbc.drivers = null
>>>JDBC DriverManager initialized
>>>registerDriver: driver[className=org.postgresql.Driver,org.postgresq
>>>2e08]
>>>Connecting to Database URL = jdbc:postgresql:rculling
>>>DriverManager.getConnection("jdbc:postgresql:rculling")
>>> trying driver[className=org.postgresql.Driver,org.postgresql.Dri
>>>Exception in thread "main" java.lang.NoClassDefFoundError: org/postg
>>>AbstractJdbc2Connection
>>> at java.lang.ClassLoader.defineClass0(Native Method)
>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
>>> at java.security.SecureClassLoader.defineClass(SecureClassLo
>>>3)
>>> at java.net.URLClassLoader.defineClass(URLClassLoader.java:2
>>> at java.net.URLClassLoader.access$100(URLClassLoader.java:54
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:193)
>>> at java.security.AccessController.doPrivileged(Native Method
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:186
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
>>> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
>>> at java.lang.ClassLoader.defineClass0(Native Method)
>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
>>> at java.security.SecureClassLoader.defineClass(SecureClassLo
>>>3)
>>> at java.net.URLClassLoader.defineClass(URLClassLoader.java:2
>>> at java.net.URLClassLoader.access$100(URLClassLoader.java:54
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:193)
>>> at java.security.AccessController.doPrivileged(Native Method
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:186
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
>>> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
>>> at java.lang.Class.forName0(Native Method)
>>> at java.lang.Class.forName(Class.java:140)
>>> at org.postgresql.Driver.connect(Driver.java:121)
>>> at java.sql.DriverManager.getConnection(DriverManager.java:5
>>> at java.sql.DriverManager.getConnection(DriverManager.java:1
>>> at basic.<init>(basic.java:37)
>>> at basic.main(basic.java:212)
>>>
>>>The relevant source line in org.postgresql.Driver.connect says it's
>>>attempting a Class.forName("org.postgresql.jdbc3.Jdbc3Connection"), but
>>>by the time the error registers, the system seems to be attempting to
>>>load "org.postgres.jdbc2.AbstractJdbc2Cnnection." The jar file has an
>>>AbstractJdbc3Connection, but not Jdbc2. Is something funny happening in
>>>the do.Privileged() calls by the SecurityManager?
>>>
>>>I'm stumped. Thanks for any help.
>>> Rich Cullingford
>>>
>>>
>>>
>>>
>>>
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>
>
>
>
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>
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>
>
>
>
>
> sincerely,
>
> Patric Bechtel
> IPCON Informationssysteme
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