Re: 8.0 drivers released. - Mailing list pgsql-jdbc

From Oliver Jowett
Subject Re: 8.0 drivers released.
Date
Msg-id 41ED8B01.1010209@opencloud.com
Whole thread Raw
In response to Re: 8.0 drivers released.  (Oliver Jowett <oliver@opencloud.com>)
Responses context classloader (was: Re: 8.0 drivers released.)  (Vadim Nasardinov <vadimn@redhat.com>)
List pgsql-jdbc
Oliver Jowett wrote:
> Andreas Joseph Krogh wrote:
>
>> NullPointerException:
>> Caused by: java.lang.NullPointerException
>>         at org.postgresql.Driver.getDefaultProperties(Driver.java:84)
>>         at org.postgresql.Driver.connect(Driver.java:167)
>>         at org.apache.catalina.realm.JDBCRealm.open(JDBCRealm.java:599)
>
> Driver.java:84 is:
>
> Enumeration urlEnum =
> getClass().getClassLoader().getResources("org/postgresql/driverconfig.properties");
>
> I guess that org.postgresql.Driver is being loaded by the bootstrap
> classloader (getClassLoader() returns null). How exactly are you getting
> the driver jar into the classpath?

I can reproduce the exception by running test code when the driver is
loaded from the bootstrap classpath
('-Xbootclasspath/a:jars/postgresql.jar')

It seems reasonable to fall back to the system classloader if the driver
was loaded from the bootstrap classloader. I will commit a change to do
this shortly.

-O

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