[IDV #KLI-817328]: attempts to connect to adde servers refused

> > Yuan, is port 112 on the server side for adde.ucar.edu?  And could that be
> > the reason for my IDV ADDE connections being refused?
> >
> > It's confusing to me why then my McIDAS-V adde connections to adde.ucar.edu
> > are being allowed.  Could IDV and McIDAS-V be using different ports for the
> > server connections?
> >
> > If port 112 is an issue, it seems reasonable for UCAR to see that port 112
> > flows to all staffnet systems in UCAR, if that makes sense.
> >
> > What do you think?
> >
> > Patrick
> 
> Port number opening is controlled by the network adm., so I am trying to find 
> out
> who I should contact, I am working with the system adm of Unidata to find the 
> solution.
> 
> Yuan

Hi Patrick,

You might be installed one of the plugin that mapped the port 112 to 8080, 
could you check?


Yuan
> >
> > address@hidden> wrote:
> >
> > > > Yuan, I wonder if the non-connect to ADDE servers issue from IDV could 
> > > > be
> > > > related to a port or ports being blocked on either the server or client
> > > end?
> > > >
> > > > Bob Bubon ran a couple port checks on adde.ucar.edu.  Port 112 is open,
> > > > 8080 is not.  It sounds like these are important.
> > > >
> > > > comet-zebulon:~ root# ssh -p 8080 128.117.135.126
> > > > ssh: connect to host 128.117.135.126 port 8080: Connection refused
> > > >
> > > > comet-zebulon:~ root# ssh -p 112 128.117.135.126
> > > > kex_exchange_identification: read: Connection reset by peer
> > > > Connection reset by 128.117.135.126 port 112
> > > >
> > > >
> > > > Then, I also did a quick check of my Mac ports and both 112 and 8080
> > > appear
> > > > to be open.
> > > >
> > > > comet-astro:~ dills$ nc -vnzu 128.117.138.251 112
> > > >
> > > > Connection to 128.117.138.251 port 112 [udp/*] succeeded!
> > > >
> > > >
> > > > comet-astro:~ dills$ nc -vnzu 128.117.138.251 8080
> > > >
> > > > Connection to 128.117.138.251 port 8080 [udp/*] succeeded!
> > > >
> > > > Any ideas or suggestions here?
> > > > Thanks,
> > > >
> > > > - Patrick
> > >
> > > It looks like the port 112 of network is not open. I am not sure it is
> > > only your building or all UCAR campus.
> > > Someone should contact the network people to find out.
> > >
> > > Yuan
> > > >
> > > > ---------- Forwarded message ---------
> > > > From: Patrick Dills <address@hidden>
> > > > Date: Wed, May 8, 2024 at 3:04?PM
> > > > Subject: Re: [IDV #KLI-817328]: attempts to connect to adde servers
> > > refused
> > > > To: Yuan Ho <address@hidden>
> > > > Cc: Robert J. Bubon <address@hidden>, <address@hidden>
> > > >
> > > >
> > > > Hi Yuan,
> > > >
> > > > Thanks so much for your quick response!
> > > >
> > > > Still no luck connecting to ADDE servers in IDV, via either ethernet or
> > > > wifi Staffnet.  I'll keep an eye on it, and will also try from an 
> > > > outside
> > > > non-UCAR connection later today.
> > > > And will also follow up with IT on our end here.
> > > >
> > > > I'm not sure if this is relevant.  I'm able to make ADDE server
> > > connections
> > > > in my McIDAS-V install.
> > > >
> > > > Thanks again and I'll update on any changes.
> > > >
> > > > Patrick
> > > >
> > > > address@hidden> wrote:
> > > >
> > > > > > Full Name: Patrick Dills
> > > > > > Email Address: address@hidden
> > > > > > Organization: COMET
> > > > > > Package Version: 6.2u2 build date:2023-12-05 18:26 UTC
> > > > > > Operating System: Mac OS X
> > > > > > Hardware: Java: home:
> > > /Applications/IDV_6.2u2/jre.bundle/Contents/Home
> > > > > version: 1.8.0_302 j3d:1.6.1 fcs fcs
> > > > > > Description of problem: Connecting to server:adde.ucar.edu
> > > > > > Connection refused (Connection refused)
> > > > > >
> > > > > > I can not "connect" to any of the servers listed under the "Server"
> > > > > select menu in IDV, when trying to call up an available "Dataset",
> > > EASTALL,
> > > > > WESTALL, etc.
> > > > > >
> > > > > > Also, when I click the callout to the right of the DataSet options
> > > list,
> > > > > I receive the message "no public datasets found on adde.ucar.edu.  I
> > > get
> > > > > the same response when trying to connect to other ADDE servers.
> > > > >
> > > > > Hi Patrick,
> > > > >
> > > > > I just tested adde.ucar.edu with dataset as  "EASTALL" and "WESTALL",
> > > > > both worked as expected. What you experienced might be
> > > > > the temporary network or server issue. Please try again.
> > > > >
> > > > > Yuan
> > > > > >
> > > > > > ******************
> > > > > > Stack trace:
> > > > > > java.net.ConnectException: Connection refused (Connection refused)
> > > > > > at java.net.PlainSocketImpl.socketConnect(Native Method)
> > > > > > at java.net
> > > > > .AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> > > > > > at java.net
> > > > >
> > > .AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
> > > > > > at java.net
> > > > > .AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> > > > > > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> > > > > > at java.net.Socket.connect(Socket.java:607)
> > > > > > at java.net.Socket.connect(Socket.java:556)
> > > > > > at java.net.Socket.<init>(Socket.java:452)
> > > > > > at java.net.Socket.<init>(Socket.java:229)
> > > > > > at
> > > > >
> > > edu.wisc.ssec.mcidas.adde.AddeURLConnection.connect(AddeURLConnection.java:644)
> > > > > > at
> > > > >
> > > edu.wisc.ssec.mcidas.adde.AddeURLConnection.getInputStream(AddeURLConnection.java:819)
> > > > > > at
> > > > >
> > > ucar.unidata.idv.chooser.adde.AddeChooser.checkIfServerIsOk(AddeChooser.java:1209)
> > > > > > at
> > > > >
> > > ucar.unidata.idv.chooser.adde.AddeChooser.canAccessServer(AddeChooser.java:1252)
> > > > > > at
> > > > >
> > > ucar.unidata.idv.chooser.adde.AddeImageChooser.connectToServer(AddeImageChooser.java:802)
> > > > > > at
> > > > >
> > > ucar.unidata.idv.chooser.adde.AddeImageChooser.handleConnect(AddeImageChooser.java:634)
> > > > > > at
> > > > >
> > > ucar.unidata.idv.chooser.adde.AddeChooser.handleConnectFromThread(AddeChooser.java:601)
> > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > > > > > at
> > > > >
> > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > > > > > at
> > > > >
> > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > > > > > at ucar.unidata.util.Misc$2.run(Misc.java:1215)
> > > > > > at ucar.unidata.util.Misc$3.run(Misc.java:1243)
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > Ticket Details
> > > > > ===================
> > > > > Ticket ID: KLI-817328
> > > > > Department: Support IDV
> > > > > Priority: Normal
> > > > > Status: Open
> > > > > ===================
> > > > > NOTE: All email exchanges with NSF Unidata User Support are recorded 
> > > > > in
> > > > > the Unidata inquiry tracking system and then made publicly available
> > > > > through the web.  If you do not want to have your interactions made
> > > > > available in this way, you must let us know in each email you send to
> > > us.
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: KLI-817328
> > > Department: Support IDV
> > > Priority: Normal
> > > Status: Open
> > > ===================
> > > NOTE: All email exchanges with NSF Unidata User Support are recorded in
> > > the Unidata inquiry tracking system and then made publicly available
> > > through the web.  If you do not want to have your interactions made
> > > available in this way, you must let us know in each email you send to us.
> > >
> > >
> > >
> >
> >
> 


Ticket Details
===================
Ticket ID: KLI-817328
Department: Support IDV
Priority: Normal
Status: Open
===================
NOTE: All email exchanges with NSF Unidata User Support are recorded in the 
Unidata inquiry tracking system and then made publicly available through the 
web.  If you do not want to have your interactions made available in this way, 
you must let us know in each email you send to us.