[SUCCESS] Re: IPV6 vs IPV4 (Re: JDK14 Patchset 2 and Oracle JDBC
Georg-W. Koltermann
Thanks a lot Geoff, with that change I can now start up Tomcat 4.1.18
with JDK14, launch the application that we are developing, and connect
to the database.
--
Regards,
Georg.
Am Do, 2003-02-13 um 23.24 schrieb Geoff Coleman:
> Georg and Alexey
>
> I think the e-mail below explains a whole buch. I'm not running IPV6 currently although
> it is configured into my kernel ( I did remove it from my kernel last night but it didn't help
> my problem).
>
>
> in net_util_md.c if I put in a:
> return JNI_FALSE;
>
> At the start of IPv6_supported()
>
> things start working a whole lot better for me (I can now go the the netbeans update
> and update the IDE, it crashes when I restart it but that is for another day :-) ).
>
>
> Geoff
>
>
>
>
>
> On 13 Feb 2003 at 19:11, Georg-W. Koltermann wrote:
>
> > Geoff,
> >
> > it works for me, although the output of running it in jdk14 looks a
> > little suspicious (I modified the program to quit after reading one null
> > line, when I stop sending it input):
> >
> > hunter[85]$ java -version
> > java version "1.3.1-p7"
> > Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1-p7-gwk-030207-09:20)
> > Java HotSpot(TM) Client VM (build 1.3.1-internal, mixed mode)
> > hunter[86]$ java receiver
> > INA: localhost/127.0.0.1
> > Server Socket opened: ServerSocket[addr=localhost/127.0.0.1,port=0,localport=62001]
> > PAst accept
> > hi
> > ho
> > null
> > hunter[87]$
> >
> > (continuing in another window with different PATH):
> >
> > hunter[39]$ java -version
> > java version "1.4.1-p2"
> > Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1-p2-gwk_12_feb_2003_16_32)
> > Java HotSpot(TM) Client VM (build 1.4.1-p2-gwk_12_feb_2003_14_08, mixed mode)
> > hunter[40]$ java receiver
> > INA: localhost/0:0:0:0:0:0:0:1
> > Server Socket opened: ServerSocket[addr=localhost/0:0:0:0:0:0:0:1,port=0,localport=62001]
> > PAst accept
> > hi
> > ho
> > null
> > hunter[41]$ uname -a
> > FreeBSD hunter.muc.mscsoftware.com 5.0-RELEASE FreeBSD 5.0-RELEASE #0: Thu Jan 30 23:11:35 CET 2003 g...@hunter.muc.mscsoftware.com:/usr/src/sys/i386/compile/HUNTER i386
> > hunter[42]$
> >
> >
> > So it seems JDK14 is using IPv6 while JDK131 uses IPv4.
> >
> > And when I remove the IPv6 address:
> >
> > hunter# ifconfig lo0 inet6 delete ::1
> > hunter# ifconfig lo0
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> > inet 127.0.0.1 netmask 0xff000000
> > hunter#
> >
> > (continuing in the JDK14 window):
> >
> > hunter[43]$ java receiver
> > INA: localhost/0:0:0:0:0:0:0:1
> > new server socket: java.net.BindException: Can't assign requested address
> > Exception in thread "main" java.lang.NullPointerException
> > at receiver.<init>(receiver.java:59)
> > at receiver.main(receiver.java:81)
> > hunter[44]$
> >
> > Now, when I remove the IPv6 entry for localhost in /etc/hosts:
> >
> > hunter[44]$ java receiver
> > INA: localhost/127.0.0.1
> > new server socket: java.net.BindException: Can't assign requested address
> > Exception in thread "main" java.lang.NullPointerException
> > at receiver.<init>(receiver.java:59)
> > at receiver.main(receiver.java:81)
> > hunter[45]$
> >
> > And the JDK131 still works.
> >
> > Tired for today, going home. Maybe I'll check my email later again from home.
> >
> > --
> > Thanks,
> > Regards,
> >
> > Georg.
> >
> >
> >
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