Clustering config error

I have recently set up 2 clustered machines and think I have something
          mis-configured. I have build and deployed the Teller EJB sample from
          Weblogic, and am getting some strange results.
          When I start the client, it will run exclusively off of one or the other
          machine (the server I started first). If I shut down the one in use, the
          client will not fail over the the secondary, but rather error out. The
          secondary machine reports the following error:
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.AccountHome:examples.cluster.ejb.account.AccountBeanHomeImpl_WLS
          tub (from
          [email protected]:[7001,7001,7002,7002,7001,-1])
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.AccountHome:examples.cluster.ejb.account.AccountBeanHomeImpl_WLS
          tub (from
          [email protected]:[7001,7001,7002,7002,7001,-1])
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.TellerHome_EO:examples.cluster.ejb.teller.TellerBeanEOImpl_WLStu
          b (from
          [email protected]:[7001,7001,7002,7002,7001,-1])
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.TellerHome_EO:examples.cluster.ejb.teller.TellerBeanEOImpl_WLStu
          b (from
          [email protected]:[7001,7001,7002,7002,7001,-1])
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.TellerHome:examples.cluster.ejb.teller.TellerBeanHomeImpl_WLStub
          (from [email protected]:[7001,7001,7002,7002,7001,-1])
          Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          cluster.ejb.TellerHome:examples.cluster.ejb.teller.TellerBeanHomeImpl_WLStub
          (from [email protected]:[7001,7001,7002,7002,7001,-1])
          If I use either machine individually, the client works fine through the
          cluster name 'mycluster'.
          Here is the setup:
          2 Windows machines (1 NT-IP 1.1.2.249, 1 Win2K-1.1.0.249),
          Shared network drive with weblogic 5 on it (no SP's added)
          Any suggestions would be appreciated
          - Ben
          

One another reason why you might see conflict handlers is that, if try to bind
          two different clusterable services with the same name. In your case it is
          possible that both ejbs that are getting bound doesn't have the same name.
          - Prasad
          Ben wrote:
          > Ok, I looked into both options, I moved the EJB's into a folder not in the
          > weblogic path or Classpath. I also removed all of this projects client
          > classes and pre-jar classes from the systems just in case. I checked the
          > clusterable flag in the xml descriptor, and its set to true. I am still not
          > sure why this is happening. I'm not sure why these would be treated as
          > non-clusterable, they are the ejb teller cluster samples right out of the
          > web site. Any other suggestions would be appreciated.
          > - Ben
          >
          > "Ben" <[email protected]> wrote in message
          > news:[email protected]...
          > > What is the determiner that would make the service non-clusterable? The
          > > EJB's in question are ejb_cluster_Teller.jar and cluster_ejb_account.jar
          > > from the WebLogic samples. I have added them to the cluster
          > > Weblogic.properties:
          > > weblogic.ejb.deploy=o:/ejb/cluster_ejb_account.jar, \
          > > o:/ejb/ejb_cluster_Teller.jar
          > >
          > > The oraclePool is the default from the example with the server name
          > changed.
          > > this is also set up in the cluster weblogic.properties.
          > >
          > > "Prasad Peddada" <[email protected]> wrote in message
          > > news:[email protected]...
          > > > The following answer is not correct. The reason why you see conflict
          > > handlers is if
          > > > you try to deploy a non clusterable service in a cluster environment
          > from
          > > two
          > > > servers you will see this. You shouldn't do that. If you want to deploy
          > > from only
          > > > one server you should do it as a per server property and just from one
          > > server.
          > > >
          > > > - Prasad
          > > >
          > > > Muhammad Farhat Kaleem wrote:
          > > >
          > > > > AFAIK, this is due to classpath conflict...........an easy solution is
          > > to put
          > > > > your ejb-jars (the ones u get after running ejbc) in a seperate
          > > directory on the
          > > > > shared drive, and make sure that this directory is not in any of the
          > > classpaths
          > > > > (weblogic.class.path or java classpath).....
          > > > > this should get rid of the problem............this issue (and the
          > > solution) has
          > > > > been discussed previously in this newsgroup also, so u might want to
          > > read thru
          > > > > also........
          > > > >
          > > > > HTH
          > > > >
          > > > > Ben wrote:
          > > > >
          > > > > > I have recently set up 2 clustered machines and think I have
          > something
          > > > > > mis-configured. I have build and deployed the Teller EJB sample from
          > > > > > Weblogic, and am getting some strange results.
          > > > > >
          > > > > > When I start the client, it will run exclusively off of one or the
          > > other
          > > > > > machine (the server I started first). If I shut down the one in use,
          > > the
          > > > > > client will not fail over the the secondary, but rather error out.
          > The
          > > > > > secondary machine reports the following error:
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.AccountHome:examples.cluster.ejb.account.AccountBeanHomeImpl_WLS
          > > > > > tub (from
          > > > > >
          > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.AccountHome:examples.cluster.ejb.account.AccountBeanHomeImpl_WLS
          > > > > > tub (from
          > > > > >
          > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.TellerHome_EO:examples.cluster.ejb.teller.TellerBeanEOImpl_WLStu
          > > > > > b (from
          > > > > >
          > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.TellerHome_EO:examples.cluster.ejb.teller.TellerBeanEOImpl_WLStu
          > > > > > b (from
          > > > > >
          > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.TellerHome:examples.cluster.ejb.teller.TellerBeanHomeImpl_WLStub
          > > > > > (from
          > > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > > Fri Sep 22 09:46:25 PDT 2000:<I> <ConflictHandler> ConflictStart
          > > > > >
          > >
          > cluster.ejb.TellerHome:examples.cluster.ejb.teller.TellerBeanHomeImpl_WLStub
          > > > > > (from
          > > [email protected]:[7001,7001,7002,7002,7001,-1])
          > > > > >
          > > > > > If I use either machine individually, the client works fine through
          > > the
          > > > > > cluster name 'mycluster'.
          > > > > >
          > > > > > Here is the setup:
          > > > > > 2 Windows machines (1 NT-IP 1.1.2.249, 1 Win2K-1.1.0.249),
          > > > > > Shared network drive with weblogic 5 on it (no SP's added)
          > > > > >
          > > > > > Any suggestions would be appreciated
          > > > > > - Ben
          > > >
          > >
          > >
          

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    "An error occurred while reading the configuration. Make sure your Apple wireless device is plugged in and in range of your computer or connected via Ethernet and try again. (-6728)"
    Alternatively, when I try to update the firmware via the Update Firmware button, after it asks for the base station password, it says "Searching for latest firmware version..." and the progress bar spirals forever ( > 10 minutes). I must quit AirPort Utility to stop this endless "searching."
    I have updated several other AirPort Extreme and Express N base stations in my network without running into the problems above (no problems accessing base station configs, and firmware downloaded and installed immediately), so it appears this particular base station is not fully cooperating with AirPort Utility. However this base station is still functioning within my wireless network, providing access in Finder to an attached USB drive and serving as the main base among several other Extremes in an Extended network.
    I have tried through AirPort Utiliy:
    Base Station -> Identify... THIS WORKS
    Base Station -> Restart... THIS WORKS
    Base Station -> Upload Firmware... -6728 error
    I have also unplugged the unit to force it to cold boot. No success getting into configuration.
    The MacBook Pro from which I am running AirPort Utility 541.9 is connected directly via ethernet to a LAN port of this AirPort Extreme (the laptop's internal wifi disabled to prevent multi IP conflicts). The AirPort Extreme WAN port is connected via ethernet directly to my router. There is confirmed Internet connectivity, and per my router each device has its own unique IP address.
    So:
    1. What does "error (-6728)" mean specifically?
    2. How do I regain access to this base station, so that I can get into its configuration and do a firmware update?

    Thanks Sascha H-K. Your suggestion worked!
    I removed AU 5.4.1.
    I downloaded and installed AU 5.3.2.
    THEN, running AU 5.3.2, I was able to enter the manual setup configuration of my stalwart AirPort Extreme base that would not respond to AU 5.4.1.
    From there I was able to update the base station firmware to 7.4.1.
    I noticed that when running AU 5.3.2, all the updated 7.4.1 base stations do not appear in Wireless Clients in Base Station -> Logs and Statistics. (Running AU 5.4.1 solves that problem.)
    Now, I am back to running AirPort Utility 5.4.1, and I am able to access manual setup configurations for all my base stations.
    It's weird this method worked. But I'm glad I didn't have to force a hard reset on the base station and lose all my network settings, bringing down the whole network since it was the main base station that didn't respond.

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