#264414 - 05/09/2005 17:29
jEmplode Ethernet Problem
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Doh. Upgraded my Linux box to Fedora Core 4, installed Sun Java 1.5, and now jEmplode can't see my empeg over ethernet. Downgraded java back to 1.4.2, and still, same problem.
Anyone else have jEmplode working with Fedora Core 4??
Cheers,
Ross
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#264415 - 05/09/2005 21:16
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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Any exceptions printing on the console?
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#264416 - 06/09/2005 18:51
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Good to see that you're still providing support Mike!
I can ping and telnet into my empeg no problem so the network connection is fine. Here's the output from both v56 and v70 of jEmplode:
Attachments
264370-jemplode56.log (339 downloads)
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#264417 - 06/09/2005 18:52
Re: jEmplode Ethernet Problem
[Re: zexpe]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Only one attachment per post... so here's the jemplode70 output:
Attachments
264371-jemplode70.log (343 downloads)
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#264418 - 07/09/2005 11:05
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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So you are doing a direct connection (i.e. ip address is typed in) vs a broadcast, right? You might try broadcast to see if it makes a difference? Double check the address that is typed in in the options dialog to make sure it's valid and doesn't have any spaces or something weird around it?
Do you have more than one network interface on there?
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#264419 - 07/09/2005 17:44
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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The direct connection worked before, but in fact I had both broadcast and direct connection options checked. Choosing broadcast only I receive the "No devices found" message after a while. Occasionally I receive this console output too (see attachment - doesn't look good!).
I have other network connections set-up (e.g. wireless), but all are deactivated when I'm connecting to the empeg via a direct cross-over cable connection with static ip addresses. The network is working, the pc can both see and access the empeg, it's just jEmplode can't see the empeg.
It's very mysterious, and I'm fairly sure I'm not doing anything stupid (though I've said that too soon before...).
Ross
Attachments
264507-jemplode.log (350 downloads)
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#264420 - 07/09/2005 21:57
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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can you run it
java -Ddebuglevel=30 -jar jemplode.jar
also
java -fullversion
and post the output?
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#264421 - 08/09/2005 19:07
Re: jEmplode Ethernet Problem
[Re: mschrag]
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enthusiast
Registered: 11/06/2003
Posts: 384
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Offtopic, but maybe someone's willing to answer a question. How is -fullversion more useful than -version? Quote:
C:\Documents and Settings\nbardsley>java -version
java version "1.4.2_07"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_07-b05)
Java HotSpot(TM) Client VM (build 1.4.2_07-b05, mixed mode)
C:\Documents and Settings\nbardsley>java -fullversion
java full version "1.4.2_07-b05"
C:\Documents and Settings\nbardsley>
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#264423 - 08/09/2005 22:44
Re: jEmplode Ethernet Problem
[Re: mschrag]
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enthusiast
Registered: 11/06/2003
Posts: 384
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Cool, thanks! I've sucessfully forgotten all of the annoying details about earlier JDKs.
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#264424 - 09/09/2005 14:34
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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1) java -fullversion:
java full version 1.4.2_02-b03
2) java -Ddebuglevel=30 -jar jemplode.jar:
2a) when broadcasting:
SSDPDiscoverer.startDiscovery0: null
SSDPDiscoverer.startDiscovery0: capella/152.78.192.72
Broadcasting on 255.255.255.255...
Broadcasting on 152.255.255.255...
Broadcasting on 152.78.255.255...
Broadcasting on 152.78.192.255...
2b) when connecting to a specified IP address:
see attachment
Hope this helps,
Ross
Attachments
264721-jemplode70_jre142_dbg30_spip.log (359 downloads)
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#264425 - 09/09/2005 17:12
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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is that 152.xxx ip address range correct?
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#264426 - 09/09/2005 17:13
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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Invalid argument or cannot assign requested address ?? What in the world ... What specifically is the value in the unicast address field in options?
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#264427 - 09/09/2005 17:15
Re: jEmplode Ethernet Problem
[Re: mschrag]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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from a google search on this error: "fetch/store fails immediately with a stack trace starting as follows: ERROR [SwingWorker] 2005-06-28 18:16:28,748: edu.gemini.oodb.OodbClientBase - Connection problem java.net.SocketException: Invalid argument or cannot assign requested address ...with several more lines... This is a known problem with the Fedora Core 4 people. The FC4 installation notes suggest that users upgrade their JRE to the latest 1.5_04 distribution from Sun at http://java.sun.com. We've tested this and confirmed that it fixes the fetch/store problem. After additional testing, we will make a special FC4 version available on the Gemini ftp site."
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#264428 - 11/09/2005 20:04
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Quote:
is that 152.xxx ip address range correct?
Yes
Quote:
Invalid argument or cannot assign requested address ?? What in the world ... What specifically is the value in the unicast address field in options?
The "Connections Options" specific address is:
152.78.192.74
Pinging this extract string works fine:
[rsc@capella ~]$ ping 152.78.192.74
PING 152.78.192.74 (152.78.192.74) 56(84) bytes of data.
64 bytes from 152.78.192.74: icmp_seq=0 ttl=255 time=0.672 ms
64 bytes from 152.78.192.74: icmp_seq=1 ttl=255 time=0.664 ms
Quote:
The FC4 installation notes suggest that users upgrade their JRE to the latest 1.5_04 distribution from Sun
I gave the 1.4.2 output as I knew that was working fine in FC1... as I mentioned earlier 1.5.0 also isn't working, but I didn't use it in this test in case it was a secondary issue of using 1.5.0! Anyway, 1.5.0 doesn't give much in the way of debug output:
[rsc@capella lib]$ java -fullversion
java full version "1.5.0_04-b05"
[rsc@capella lib]$ java -Ddebuglevel=30 -jar jemplode.jar
SSDPDiscoverer.startDiscovery0: null
SSDPDiscoverer.startDiscovery0: capella/152.78.192.72
SocketConnection (10923757): actually open
Does "actually open" mean "already open" or "OK, it's open" ??
Thanks for your help so far,
Ross
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#264429 - 11/09/2005 23:29
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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Go back to the unicast and turn off broadcast and send me the output w/ 1.5? "Actually open" is my debug output that says when the socket is truly opened (vs just creating the object that encapsulates the connection)
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#264430 - 12/09/2005 07:02
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Er, Mike, that was just a specific address connection in the last debug option, I didn't have broadcast turned on in that example... should I be seeing more debug output?? I could leave it running for a while longer to see if anything happens. That debug output is all I see for just a minute or so, before I give up and close down jEmplode.
Ross
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#264431 - 12/09/2005 13:44
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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There was no exception on the last debug output -- Did it actually fail?
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#264432 - 12/09/2005 19:23
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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No... but it didn't succeed either! ;-)
It doesn't find the empeg and it doesn't seem to time-out within 5-10 minutes. That's all the debug output it provides in that time.
Ross
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#264433 - 12/09/2005 22:56
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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This is a really odd problem ... Can you run it, let it get into discovery, then send it a kill -QUIT and send me all the output that prints out on the console?
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#264434 - 13/09/2005 00:30
Re: jEmplode Ethernet Problem
[Re: mschrag]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Mmm.. I wonder if this is the buggy empeg ethernet issue showing up..
None of my empegs will talk to (J)Emplode or anything else until after I ping them once or twice. Well, sometimes they work without the ping, but..
Cheers
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#264435 - 13/09/2005 19:16
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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You asked for it! ;-)
See attachment.
Ross
Attachments
265046-quit.log (327 downloads)
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#264436 - 13/09/2005 22:07
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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Interesting -- it appears to be hung trying to download the installed version # from hijack. It actually found and connected to your player, though.
Did you reinstall and not install Hijack maybe? Try turning off "use hijack when possible" in options and see if that connects?
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#264438 - 14/09/2005 00:43
Re: jEmplode Ethernet Problem
[Re: tfabris]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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Actually it passed the preliminary check for hijack -- As far as jEmplode is concerned he has hijack, it's just hanging trying to read data from it. I'm not really sure what happens if you let the socket timeout, which it eventually will. I've never seen it hang where it is ... Really weird problem.
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#264439 - 14/09/2005 07:57
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Quote:
Did you reinstall and not install Hijack maybe?
Nope... I haven't messed around with the empeg since upgrading to Fedora 4. I suspect my old Fedora 1 PC will still be able to connect to the empeg, though I couldn't say for sure (I won't go into the various reasons why I can't test that right now!). Of course, it's possible something has gone screwy on the empeg which is just coincident with my OS upgrade...
I'll try turning off "use hijack" tonight.
Thanks,
Ross
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#264440 - 14/09/2005 18:10
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Quote:
Try turning off "use hijack when possible" in options and see if that connects?
Hey, that worked! :-) It's nice to see the player's database again!
So what does the "Use Hijack When Possible" option do; i.e. what am I missing out on by turning it off?
Thanks for your support - this must be the best internet forum in history.
Still, none the wiser about what caused the problem though...
Cheers,
Ross
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#264441 - 14/09/2005 18:48
Re: jEmplode Ethernet Problem
[Re: zexpe]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Quote:
Still, none the wiser about what caused the problem though...
If you want to help diagnose/fix it, then turn that option back on, and connect up a serial console while you try it again. Anything Hijack has an issue with, gets reported on the serial console.
Cheers
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#264442 - 14/09/2005 20:30
Re: jEmplode Ethernet Problem
[Re: zexpe]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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You really don't WANT that option off -- It means you're not going to use Hijack for anything, which means you fall back to old Empeg protocol (specifically uploading and downloding are done entirely with FTP when you have hijack enabled). But follow Mark's instructions now and maybe it will reveal itself ...
Oh wait.
Is it possible you have a software firewall that is blocking passive ftp connections back to your machine from the Empeg?
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#264443 - 14/09/2005 20:35
Re: jEmplode Ethernet Problem
[Re: mschrag]
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carpal tunnel
Registered: 29/08/2000
Posts: 14493
Loc: Canada
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Actually, Hijack does not work with passive FTP. I think you meant to ask about (active) FTP connections.
Cheers
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#264444 - 14/09/2005 22:04
Re: jEmplode Ethernet Problem
[Re: mlord]
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pooh-bah
Registered: 09/09/2000
Posts: 2303
Loc: Richmond, VA
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#264445 - 16/09/2005 16:27
Re: jEmplode Ethernet Problem
[Re: mschrag]
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journeyman
Registered: 21/08/2002
Posts: 63
Loc: Edinburgh, UK
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Quote:
Oh wait.
Is it possible you have a software firewall that is blocking passive ftp connections back to your machine from the Empeg?
The solution is always an obvious one!! Yep, I dug around in the system settings; disabled all firewalls and hey presto I can connect to the empeg using Hijack again. Seems Fedora 4 has some more stringent default firewall settings than Fedora 1. After a bit more fiddling I now have both a firewall and a decent empeg connection. Thanks for the conversation! Problem solved.
Cheers,
Ross
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