Problem in setup weblogic9.2 MP2 cluster with 2 linux (RHEL4) servers
Hi All,
We are trying to setup a clusters of weblogic 9.2 servers on 2 linux machine.
However we encounter problems when testing load balancing and session replication on the 2 servers.
We use the configure wizard to configure an adminserver, managed1 server on the 1st linux machine, and managed2 server on the 2nd linux machine. No machine or unix machine is set.
We are able to start both adminserver, managed1 and managed2 servers.
And we are able to deploy application to the cluster and run it successfully.
When we use an apache proxy or the weblogic proxy plugin as an load balancer, we are not able to use the round-robin (load-balancing) features and session replication between the two servers.
However, when we setup all the servers(adminserver,managed1,managed2) on 1 linux machine, we are enable to use the apahce/weblogic proxy plugin to do round-robin load-balancing and session replication.
We suspect it is related to multicast.
When we ping the multicast address setup on each linux machines, we can only see response from the localhost machine.
When we use util.MulticastTest on linux1 machine, it works properly with only response from linux1 machine.
When we use the same command util.MulticastTest on linux2 machine, it give the following exception:
java.net.SocketException: Not a multicast address
at java.net.MulticastSocket.joinGroup(MulticastSocket.java:273)
at utils.MulticastTest.<init>(MulticastTest.java:82)
at utils.MulticastTest.main(MulticastTest.java:233)
-bash: /bea/weblogic92/server/lib/wlutil.jar: cannot execute binary file
Both linux servers have no firewall with iptables service stopped.
Please give us some advices on it.
Thanks!
Edited by keatonchan at 12/03/2007 12:12 AM
Edited by keatonchan at 12/03/2007 12:14 AM
Just a guess, but it appears the provider-url can specify the cluster name directly, instead of having to specify the individual ports. That's probably a better way to go anyway, but I don't know if it would fix your problem. This is described at [http://e-docs.bea.com/wls/docs90/jndi/jndi.html]
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MasterMemberSet(
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java version "1.6.0_51"
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at java.lang.reflect.Method.invoke(Unknown Source)
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at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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at com.tangosol.coherence.component.net.Cluster.onStart(Cluster.CDB:56)
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at com.tangosol.coherence.component.util.SafeCluster.startCluster(SafeCluster.CDB:3)
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at com.tangosol.coherence.component.application.console.Coherence.run(Coherence.CDB:25)
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C:\Users\Zk5rjg8>Hi SajeevPynadath
1
First start the server process with "cache-server.cmd"
2
After that you can start another server or client process, the "coherence.cmd" script is to start a client process to join the cluster .
3
Then now you have 2 processes , and your cluster.xml will look like this :
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4
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for client
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Persistent Store Problems for MYSQL Enhanced Cluster With OpenMQ 4.4
I am trying to implement an enhanced cluster with failover. I have edited the config files for each broker instance for a persistent store. I have appended the following to each of the config.properties files:
imq.brokerid=myclusterinstanceINSTANCE1 # I substitute INSTANCE2 for INSTANCE1 for broker #2
imq.persist.store=jdbc
imq.persist.jdbc.dbVendor=mysql
imq.persist.jdbc.mysql.property.url=jdbc:mysql://xxx.xxx.xxx.xx:3306/test
imq.persist.jdbc.mysql.user=user1
imq.persist.jdbc.mysql.needpassword=true
imq.persist.jdbc.mysql.password=mypass
imq.cluster.ha=true
imq.cluster.clusterid=mycluster
imq.cluster.brokerlist=xxx.xxx.xxx.x:37676,yyy.yyy.yyy.y:37676
I then create the persistence storage with "imqdbmgr create tbl". When I view the data in the tables it creates, I have one row. Under Store_Version, I have 410. Under LOCK_ID, it has NULL. When I go to start the brokers with imqbrokerd, I get the following error:
ERROR [B3198]: Error initializing cluster manager:
com.sun.messaging.jmq.jmsserver.util.BrokerException: [B4239]: Failed to load persistent store version from database table MQVER41Cmycluster
at com.sun.messaging.jmq.jmsserver.persist.jdbc.VersionDAOImpl.getStoreVersion(VersionDAOImpl.java:310)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.DBTool.updateStoreVersion410IfNecessary(DBTool.java:350)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.JDBCStore.checkStore(JDBCStore.java:3599)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.JDBCStore.<init>(JDBCStore.java:127)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at com.sun.messaging.jmq.jmsserver.persist.StoreManager.getStore(StoreManager.java:157)
at com.sun.messaging.jmq.jmsserver.Globals.getStore(Globals.java:967)
at com.sun.messaging.jmq.jmsserver.cluster.ha.HAClusterManagerImpl.initialize(HAClusterManagerImpl.java:181)
at com.sun.messaging.jmq.jmsserver.Globals.initClusterManager(Globals.java:903)
at com.sun.messaging.jmq.jmsserver.Broker._start(Broker.java:777)
at com.sun.messaging.jmq.jmsserver.Broker.start(Broker.java:410)
at com.sun.messaging.jmq.jmsserver.Broker.main(Broker.java:1971)
Caused by: java.lang.NullPointerException
at com.mysql.jdbc.ResultSetImpl.findColumn(ResultSetImpl.java:1103)
at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2777)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.VersionDAOImpl.getStoreVersion(VersionDAOImpl.java:298)
... 16 more
I believe this error is attributed to the NULL value under LOCK_ID. I think that the value under LOCK_ID should be the name of the broker from the config file (even though I specified them in the config files). Any ideas?? THANKS!Just some pointers -- maybe this will be of use:
If you haven't already read it, please take a look at the [ MySQL setup guide|https://mq.dev.java.net/OpenMQ_MySQLCluster_Setup_Guide.html] .
We recommend using NDB Data-store of MySQL Cluster, though this isn't an absolute requirement. Due to some issues we have found with earlier versions, we recommend using MySQL Cluster, 7.0.9 or better (the current version is 7.0.16, or 7.1.5). Either of these would contain Connector/J.
I'd also recommend using the latest version -- MQ 4.4update2 (just in case you happen to have an older copy). There were many minor improvements in the integration with MySQL from the original 4.4 release, to update 2. This is linked at the MQ download page: [https://mq.dev.java.net/downloads.html] -
Problem with Linux executable in solaris
Hello
I have a problem. We have sunblade workstation with OS solaris 2.8 version. I have downloaded a program which is developed under RedHat 5.1 and complied with Egcs-1.0.2. when i execute this program i am getting the message like bash: ./Al: cannot execute binary file
I would be thankfull if someone tell me how to solve the problem.
Thanks RajiYou need lxrun do be able to run Linux binaries on Solaris x86. You can get it at
http://soldc.sun.com/freeware/details/detail_lxrun_0.9.6.1_8_Intel.html
I've never used it, so please post your results here. -
HEAVY Problems with Linux x86_64 on K8T Neo
Hello, Community!
I experience *HEAVY* Problems with Linux on my MSI K8T Neo (FSR). Since the customer support of the german dependancy seems to ignore my call for help I'm in good hope that maybe you can help me out or give me some useful advise.
First some Hardware Specs of my system:
MSI K8T Neo FSR, Rev 1.1, BIOS 1.5
AMD Athlon 64 3000+
3x 512MB Kingston DDR400
Enermax EG365P-VE (350W) PSU (3.3V/5V 185W Combinded)
MSI GeForce FX5200 TDR 128
Adaptec ATA RAID AAR1200A (HPT370A) in PCI Slot 3
Hauppauge WinTV PCI in PCI Slot 5
Maxtor 4K040H2 (40GB) as Primary Master
JLMS XJ-HD166S DVD-ROM as Primary Slave
LiteOn LDW-411S DVD+/-RW as Secondary Master
LiteOn LTR-52327S CD-RW as Secondary Slave
2x Maxtor 6Y060L0 (60GB) on HPT370A as Primary Master/Slave
Seagate ST380020A (80GB) on HPT370A as Secondary Master
Maxtor 32049U3 on HPT370A as Secondary Slave
KeyTronic KT2001 USB Keyboard
Microsoft Optical Wheel Mouse Blue USB
I've downloaded Fedora Core 1 x86_64 as well as the lately released Fedora Core 2 test 3 x86_64 distribution. Both CD sets have been burnt ok.
If I try to install Core 1 x86_64 (Kernel 2.4.22-1.2179) the kernel crashes with a "attempted to kill idle task" panic. As far as I've learned the workaround is to give idle=poll as kernel parameter. This resolves the kernel panic, but the installer randomly crashes with segfaults at a random stage; sometimes while loading anaconda, sometimes during package install.
If I try to install Core2 test 3 x86_64 (Kernel 2.6.5) I get a, completely new, error message while the kernel does the PCI Scan:
******* Your BIOS seems to not contain a fix for K8 errata #93
******* Working around it, but it may cause SEGVs or burn power
******* Please consider a BIOS update
******* Disabling USB legacy in the BIOS may also help
I removed my USB keyboard, connected a PS/2 keyboard, disabled to USB Legacy option (I need it enabled in order to use Ghost) in the BIOS and booted again.
The error message is gone now, but as in Core 1 the installer still crashes randomly with segfaults. I'm still unable to go all the way through the installation routine.
I even tried to install Fedora Core 1 "i386": again there are segfaults during install.
Contrary to the problems I experience while trying to install Linux my Windows XP (32-Bit), as well as a test installation of Windows XP 64-Bit, run like a charm without any problems. Strange but true.
Since I already read trough several posts in this forum I already tried running my system with memory sticks from another manufacturers as well as with a more powerful PSU. I even removed my tv-card and raid-controller.
Nogo - Linux still crashes randomly and Windows still works without any flaws.
Has anyone a clue what I can/must do to successfully install Linux?
Might it be that the BIOS has some flaws that might cause the problems?
Has anyone managed to install Linux (what distribution) on this Mainboard?
I would greatly appreciate any help. If you need to know something I haven't provided here please feel free to ask. I'll answer ASAP.
Thank you in advance.
P.S.: The system is *NOT* overclocked in any way.And now even the last problem is solved ...
Since I was successful in installing a basic Gentoo system but still failed to install Fedora I reflashed BIOS 1.5. This time I cleared the CMOS by unplugging the PSU, setting the jumper and removing the backup battery.
Yesterday I only flashed it with the /a switch, which should have cleared the CMOS as well - so far for the theory. However, it once went fine as I upgraded from BIOS 1.1 to 1.4.
After setting up the BIOS options again I gave it another try and booted from Fedora (Core 2 test 3) install CD: No more complains about the CPU errata, although USB legacy is enabled, and I even went through the installation without any problems.
It seems as I will stick with Gentoo as my primary distribution since the kernel makes a more "mature" impression than the one from Fedora (i.e. the K8 PowerNOW! Driver seems to be missing in Fedora's Kernel 2.6.5).
By using an spare Athlon XP Mainboard I worked out that only one of my three Kingston memory sticks had errors - I'm going to replace the faulty stick tomorrow.
Now for the conclusio:
Thanks, especially you JLP, for helping me with my issue. Without the advise to use Gentoo, and the included MemTest86, I wouldn't have been able to track down the error to a faulty memory stick that fast since Windows always ran fine. -
Cluster Setup Support Rules fails with Warnings
Hi,
I'm in the process of installing our ECC production server in a clustered environment on windows server 2008 with SQL server 2008 as our database.
The MSCS cluster at the OS level has been configured successfully. When I start the SQL server installation as mentioned in the installation guide, the Setup Support Rules fails with following warnings.
1. The setup support file prompts me to set the MSDTC service as a clustered one but it was not mentioned anywhere in the installation guide that the MSDTC service needs to be clustered. Do I need to cluster that service with seperate network ip address and cluster group ?
2. The Network binding order issues a warning even though the adapters are set up in the right order as mentioned in the installation guide.
3. Eventhough there is a internet connectivity available in the server, the "Microsoft .Net Application Security" check issues a warning.
NB: As per the cluster validation report, the clustering at the OS level seems to be fine.
Please provide me your valuable suggestions to rectify these warnings. Can I ignore these warnings and proceed with the installation of SQL Server ?
Regards,
Varadharajan MHi,
Microsoft Distributed Transaction Coordinator
Is is user by older versions of Mssql database.
From a SAP perspective you don't need this service.
You can ignore setup request for this service.
As per the reply, I understand that the MSDTC service is not mandatory to cluster in Windows Server 2008/MS SQL Server 2008. But when i try to install the SQL DB, the Set support rule ends up with warnings saying that the MSDTC service should be clustered. Can I ignore the warnings and proceed with the installation. Can anyone confirm this please ?
Also please confirm whether we need to have the db cluster group in the DNS before initiating the SQL Server Set up.
Regards,
Varadharajan M -
Error "printhead problem please use setup cartidge that came with the printer"
Hi, I have purchased a HP Deskjet 5525 All in one printer, it was working perfectly till 1 year, then i had not used it about 6 months, now when tried to use it again then it was throwing the error "Printhead is damaged, missing, not installed properly or damaged etc...", then i cleaned the printhead and reinstalled it in printer then i inserted the cartidge now its generating the error "please use setup cartidge that came with printer" but among the setup cardige "yellow", "magenta", "Cyan" is accessible by printer but when i use the black then it says "properly not installed, missing cartidge".
So please tell me do i need to purchase a new black cartidge, will it work? or what shoud i do ?
cartidge NO- 685
Thanks
NirmalHi @nirmal007,
Welcome to the HP Support Forum! I understand you're having cartridge issues with your HP Deskjet Ink Advantage 5525 e-All-in-One Printer. I would like to assist you with clearing up that error state and have some troubleshooting steps that may resolve the issue.
I recommend you try the following steps before you consider purchasing a new black ink cartridge. Firstly after you've confirmed that your ink levels are not the problem (example - the level is above 10%), try a 'hard reset':
Secondly:
Make sure that the ink cartridges are properly vented and seated correctly
If the vent on the top of the ink cartridge is clogged or obstructed, the ink cartridge might not work properly. Follow these steps to make sure that the ink cartridges are properly vented and seated correctly.
Press the Power button to turn on the printer, if it is not already turned on. Wait until the printer is idle and silent before continuing.
Open the cartridge access door. The carriage moves to the access area.
Figure : Open the cartridge access door
Press the tab on the front of the cartridge inward to release it, and then pull up on the cartridge to remove it from the slot.
Figure : Remove the cartridge from the slot
Examine the vent area on each cartridge, above the HP logo on the top of the cartridge.
Figure : Vent area on the top of the cartridge
If the cartridge still has the orange pull-tab attached, pull to remove it.
Figure : Orange pull tab
If the vent is clogged, use a straight pin to gently remove excess adhesive from the vent.
Figure : Clean the clogged vent with a pin
Clogged vent
With a straight pin, gently remove excess adhesive from the vent
Unclogged vent
With the nozzle and contacts facing down, slide the cartridge into its slot. Press down on the cartridge until it clicks into place.
note:Make sure that each cartridge is installed in the correct slot. Match the shape of the icon and the color of the cartridge with the slot that has the same shaped icon and color.
Figure : Reinsert the cartridge
Repeat these steps to inspect the vents on each of the cartridges.
Make sure that each cartridge is firmly in place in its slot. Run your finger along the top of the cartridges to feel for any that are protruding, and if any are, press down firmly until each cartridge snaps into place.
Close the cartridge access door.
Figure : Close the cartridge access door
Source
Thirdly, try cleaning your cartridge contacts:
Manually cleaning the print cartridge contacts
Follow the steps below to manually clean the print cartridge contacts:
Gather the following items to clean the contacts:
Distilled water (tap water may contain contaminants that can damage the print cartridge)
Cotton swabs or other soft, lint-free material that will not stick to the print cartridge
Open the print cartridge door.
Remove the print cartridge and place it on a piece of paper with the ink nozzle plate facing up.
caution:
Do not to touch the copper-colored contacts or the ink nozzle plate with your fingersFigure : Do not touch copper-colored contacts
caution:Do not leave the print cartridge outside the printer for more than 30 minutes. Ink nozzles exposed to the air longer than this may dry out and cause printing problems.
Lightly moisten a cotton swab with distilled water and squeeze any excess water from the swab.
Gently wipe the copper-colored contacts with the cotton swab.
caution:Do not touch the ink nozzle plate. Touching the ink nozzle plate will result in clogs, ink failure, and bad electrical connections.
Repeat steps 4 and 5 until no ink residue or dust appears on a clean swab.
Insert the print cartridge in the printer, and then close the print cartridge door.
Source
If you've tried all of the above noted steps and you're still unable to use the black cartridge, you may need to pick up a new one. Let me know if this helps. Best of luck!
E-roq
I work on behalf of HP.
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping! -
Anyone setup a DVR with linux?
found a package on sourceforge called DVR and wondered if anyone has tried it or has successfully setup a dvr at home with linux. want to get windows xp media center (i cant believe i actually typed those words!) but if there is an open source linux way, then i want to do that
need to know if the dvr package on sourceforge works and what type of video card was used. i know i need a tv tuner card and will probably get a hauppauge, but will that work with linux ir should i get an ati card
thanks for any input and/or advicemdirolf wrote:just installed mythtv using the pkgbuilds in the AUR. so far everything is working pretty well, the install went more smoothly then i had anticipated after reading many mythtv horror stories. im using the hauppage pvr-150, which is working really well and is considerably cheaper than the other hauppage cards
The 150 is cheap becuse it has no hardware decoder - it's all done in software. I personally like the 250 myself, because it takes the processor strain down and allows you to use cheaper (and therefore quieter) processors.
If you're really planning on building a set-top box, I'd suggest:
· Two Hauppauge PVR-250s - so you can record one channel and watch live TV on another (i.e. rewind, pause, fast forward live TV as you watch) - it pays off.
· A motherboard that supports a Pentium M (yes, they do exist)
· A geforce MX 4000 series - onboard TV out, good card, no fan
· The slowest DVD/ROM you can find - the slower the better. It only takes a 1X to play a video DVD, but a 16X is going to spin up and sound like ass when you're watching Braveheart.
· The largest disks you can imagine. 1 hour of raw TV is huge.
· A seperate RF remote system - this is the complicated part and you can always use a wireless keyboard, but the RF remote is really cool
Now for the record, I have never done this, but I setup and messed with myth a bit. I *planned* a set-top box for a long time, then I got Dish Network and their 100 hour DVR was 5 cents more a month... so my pipe-dream died.... it'd still be cool though, but I can't implement alot of it on the Dish Network lines.... -
Problem with Linux AS 2.1
Hi Guru's
I installed RHAS 2.1 it was installed successfully but it is not opening Gnome or KDE, it is opening only command prompt, i run startx command also even it is not
opening. what i will do please tell me
Regardsdear
first
to open file /etc/inittab
do this
chmod 777 /etc/initab
this change mode to full permissions (read-write even execute) for owner (root) group and others
second
ur hardware i think it compitable with linux as 2,1
third
as u said u enterd init5 command and it switches to init3 give me some time and i will told u files to check
bye now -
Jdev with Linux Mandriva problem
Hello,
I'm a beginner with linux.
I've installed Linux Mandriva Spring 2007 (live CD distribution) followed by J2SE jdk1.5.0_05 and Jdev 10.1.3.2.
I've created a user running with CShell (.cshrc)
When i start Jdev, i've the first window "Tip of the day", but when i close it, i've the "Oracle Jdeveloper: Start page" completely empty !!! (no menu, frames ..) so i can do anything.
Can anybody help me to run Jdev with my Linux version ?
Thanks.
Jean-MarcHi!
Are you running from the CD, or you have de Mandriva distro installed on hard drive?
Greetings!
HeCSa. -
DB and listner auto start with linux problem
Dear all :
i can't set DB auto start with linux
my db version 10g linux 5
I followed these steps :
edit the "/etc/oratab" file setting the restart flag for each instance to 'Y'.
TSH1:/u01/app/oracle/oracle/product/10.2.0/db_1:Y
create a file called "/etc/init.d/dbora" as the root user, containing the following.
#!/bin/sh
# chkconfig: 345 99 10
# description: Oracle auto start-stop script.
# Set ORA_HOME to be equivalent to the $ORACLE_HOME
# from which you wish to execute dbstart and dbshut;
# Set ORA_OWNER to the user id of the owner of the
# Oracle database in ORA_HOME.
ORA_HOME=/u01/app/oracle/oracle/product/10.2.0/db_1
ORA_OWNER=oracle
if [ ! -f $ORA_HOME/bin/dbstart ]
then
echo "Oracle startup: cannot start"
exit
fi
case "$1" in
'start')
# Start the Oracle databases:
# The following command assumes that the oracle login
# will not prompt the user for any values
su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl start"
su - $ORA_OWNER -c $ORA_HOME/bin/dbstart
'stop')
# Stop the Oracle databases:
# The following command assumes that the oracle login
# will not prompt the user for any values
su - $ORA_OWNER -c $ORA_HOME/bin/dbshut
su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl stop"
esac
chmod 750 /etc/init.d/dbora
chkconfig --level 345 dbora on
# ln -s /etc/init.d/dbora /etc/rc.d/rc3.d/K01dbora
# ln -s /etc/init.d/dbora /etc/rc.d/rc3.d/S99dbora
# ln -s /etc/init.d/dbora /etc/rc.d/rc5.d/K01dbora
# ln -s /etc/init.d/dbora /etc/rc.d/rc5.d/S99dboraFollow this part of Oracle Doc,
Automating Shutdown and Startup
http://download.oracle.com/docs/cd/B19306_01/server.102/b15658/strt_stp.htm#sthref249
Also run your script manually see if it will run sucessfully.
/etc/init.d/dbora start
/etc/init.d/dbora stop
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