When should i consider to add multiple j2ee server node?

are there best practice about configuration for this?
such as : any recommendation provided are helpful for me!
thanks a lot!

Hi,
Please see this link
adding additional j2ee node
Best Regards
Imran

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When should I consider myself out of "rebuilding mode"

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The problem is occurred with J2ee server node which is disabled it from MMC

Dear SAP Consultants,
The problem is occurred with J2ee server node which is disabled J2ee server node from MMS Console and the abap work process is working fine but the dispatcher is yellow status and I can login to the abap system but Iu2019m not able to start the j2ee from Tcode u201CSmicmu201D as well
The system parameters are:
BI 7.0 System as ABAP & JAVA add on, windows 2003 on Oracle database, 24 GB Ram
Paging files: Driveu201D Os system: minimum: 1525, maximum: 3048
Driveu201DEu201D application: minimum: 70855, maximum: 70855
I can see the log files as follow:
From dev_disp:
Sun Jun 21 13:10:28 2009
J2EE server info
start = TRUE
state = STARTED
pid = 2892
argv[0] = E:\usr\sap\BWD\DVEBMGS00\exe\jcontrol.EXE
argv[1] = E:\usr\sap\BWD\DVEBMGS00\exe\jcontrol.EXE
argv[2] = pf=E:\usr\sap\BWD\SYS\profile\BWD_DVEBMGS00_cai-bwdev
argv[3] = -DSAPSTART=1
argv[4] = -DCONNECT_PORT=64990
argv[5] = -DSAPSYSTEM=00
argv[6] = -DSAPSYSTEMNAME=BWD
argv[7] = -DSAPMYNAME=cai-bwdev_BWD_00
argv[8] = -DSAPPROFILE=E:\usr\sap\BWD\SYS\profile\BWD_DVEBMGS00_cai-bwdev
argv[9] = -DFRFC_FALLBACK=ON
argv[10] = -DFRFC_FALLBACK_HOST=localhost
start_lazy = 0
start_control = SAP J2EE startup framework
DpJ2eeStart: j2ee state = STARTED
DpJ2eeLogin: j2ee state = CONNECTED
Sun Jun 21 13:10:29 2009
***LOG Q0I=> NiIRead: recv (10054: WSAECONNRESET: Connection reset by peer) [nixxi.cpp 4424]
ERROR => NiIRead: SiRecv failed for hdl 6 / sock 1032
    (SI_ECONN_BROKEN/10054; I4; ST; 127.0.0.1:1362) [nixxi.cpp    4424]
DpJ2eeMsgProcess: j2ee state = CONNECTED (NIECONN_BROKEN)
DpIJ2eeShutdown: send SIGINT to SAP J2EE startup framework (pid=2892)
ERROR => DpProcKill: kill failed [dpntdisp.c   371]
DpIJ2eeShutdown: j2ee state = SHUTDOWN
Sun Jun 21 13:10:48 2009
DpEnvCheckJ2ee: switch off j2ee start flag
From dev_jcontrol :
[Thr 2124] Sun Jun 21 13:10:29 2009
[Thr 2124] *** ERROR => invalid return code of process [bootstrap] (exitcode = 66) [jstartxx.c   1642]
[Thr 2124] JControlExecuteBootstrap: error executing bootstrap node [bootstrap] (rc = 66)
[Thr 2124] JControlCloseProgram: started (exitcode = 66)
[Thr 2124] JControlCloseProgram: good bye... (exitcode = 66)
From dev_bootstrap :
JHVM_BuildArgumentList: main method arguments of node [bootstrap]
-> arg[ 0]: com.sap.engine.bootstrap.Bootstrap
-> arg[ 1]: ./bootstrap
-> arg[ 2]: ID0072573
-> arg[ 3]: -XX:NewSize=57M
-> arg[ 4]: -XX:MaxNewSize=57M
-> arg[ 5]: -Xms256M
-> arg[ 6]: -Xmx256M
-> arg[ 7]: -XX:+DisableExplicitGC
-> arg[ 8]: -verbose:gc
-> arg[ 9]: -Djava.security.policy=.java.policy
-> arg[ 10]: -Djava.security.egd=file:/dev/urandom
-> arg[ 11]: -Djco.jarm=1
[Thr 5216] JLaunchIExitJava: exit hook is called (rc = 66)
[Thr 5216] **********************************************************************
ERROR => The Java VM terminated with a non-zero exit code.
Please see SAP Note 943602 , section 'J2EE Engine exit codes'
for additional information and trouble shooting.
[Thr 5216] JLaunchCloseProgram: good bye (exitcode = 66)
From server.0.log :
#1.5 #001E4F208703008A0001C7470000092000046A4414D60A1F#1242740546634#/System/Server##com.sap.caf.eu.gp.schedule.impl.ScheduleWorker#J2EE_GUEST#0##n/a##27772ea0447811deb9bf001e4f208703#SAPEngine_Application_Thread[impl:3]_25##0#0#Error#1#com.sap.caf.eu.gp.schedule.impl.ScheduleWorker#Plain###ERROR_ACQUIRE_CONNECTION
com.sap.caf.eu.gp.base.exception.EngineException: ERROR_ACQUIRE_CONNECTION
     at com.sap.caf.eu.gp.base.db.ConnectionPoolJ2EE.getConnection(ConnectionPoolJ2EE.java:92)
     at com.sap.caf.eu.gp.schedule.impl.ScheduleDbImpl.getScheduleToProcess(ScheduleDbImpl.java:1936)
     at com.sap.caf.eu.gp.schedule.impl.ScheduleService.getScheduleToProcess(ScheduleService.java:432)
     at com.sap.caf.eu.gp.schedule.impl.ScheduleWorker.work(ScheduleWorker.java:77)
     at com.sap.caf.eu.gp.schedule.impl.ScheduleWorker.run(ScheduleWorker.java:63)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
Caused by: com.sap.engine.services.dbpool.exceptions.BaseSQLException: ResourceException in method ConnectionFactoryImpl.getConnection(): com.sap.engine.services.dbpool.exceptions.BaseResourceException: SQLException thrown by the physical connection: com.sap.sql.log.OpenSQLException: Error while accessing secure store: File "
cai-bwdev
sapmnt
BWD
SYS
global
security
data
SecStore.properties" does not exist although it should..
     at com.sap.engine.services.dbpool.cci.ConnectionFactoryImpl.getConnection(ConnectionFactoryImpl.java:59)
     at com.sap.caf.eu.gp.base.db.ConnectionPoolJ2EE.getConnection(ConnectionPoolJ2EE.java:89)
     ... 8 more
Caused by: com.sap.engine.services.dbpool.exceptions.BaseResourceException: SQLException thrown by the physical connection: com.sap.sql.log.OpenSQLException: Error while accessing secure store: File "
cai-bwdev
sapmnt
BWD
SYS
global
security
data
SecStore.properties" does not exist although it should..
     at com.sap.engine.services.dbpool.spi.ManagedConnectionFactoryImpl.createManagedConnection(ManagedConnectionFactoryImpl.java:193)
     at com.sap.engine.services.connector.jca.ConnectionHashSet.match(ConnectionHashSet.java:338)
     at com.sap.engine.services.connector.jca.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:267)
     at com.sap.engine.services.dbpool.cci.ConnectionFactoryImpl.getConnection(ConnectionFactoryImpl.java:51)
     ... 9 more
Caused by: com.sap.sql.log.OpenSQLException: Error while accessing secure store: File "
cai-bwdev
sapmnt
BWD
SYS
global
security
data
SecStore.properties" does not exist although it should..
     at com.sap.sql.log.Syslog.createAndLogOpenSQLException(Syslog.java:106)
     at com.sap.sql.log.Syslog.createAndLogOpenSQLException(Syslog.java:145)
     at com.sap.sql.connect.OpenSQLDataSourceImpl.setDataSourceName(OpenSQLDataSourceImpl.java:226)
     at com.sap.sql.connect.OpenSQLDataSourceImpl.setDataSourceName(OpenSQLDataSourceImpl.java:197)
     at com.sap.engine.services.dbpool.spi.ManagedConnectionFactoryImpl.createManagedConnection(ManagedConnectionFactoryImpl.java:117)
     ... 12 more
Caused by: com.sap.security.core.server.secstorefs.FileMissingException: File "
cai-bwdev
sapmnt
BWD
SYS
global
security
data
SecStore.properties" does not exist although it should.
     at com.sap.security.core.server.secstorefs.StorageHandler.openExistingStore(StorageHandler.java:372)
     at com.sap.security.core.server.secstorefs.SecStoreFS.openExistingStore(SecStoreFS.java:1946)
     at com.sap.sql.connect.OpenSQLConnectInfo.getStore(OpenSQLConnectInfo.java:802)
     at com.sap.sql.connect.OpenSQLConnectInfo.lookup(OpenSQLConnectInfo.java:783)
     at com.sap.sql.connect.OpenSQLDataSourceImpl.setDataSourceName(OpenSQLDataSourceImpl.java:209)
     ... 14 more
Please advice with the right solution,
Regards,
Ahmed

thanks

Creating j2ee server node

hi everyone,
can any one tell me how to create j2ee server node.
What happens basically by creating one.
-Naveen.

Dear Naveen,
A node represents a logical view of an external communication system in the SAP System,
This will help you
http://help.sap.com/saphelp_webas620/helpdata/en/2b/d9263f4b8a11d1894c0000e8323c4f/frameset.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/73a16f1d-0e01-0010-95a6-a4f66ca1a65e
Regards
Agasthuri Doss

J2EE server node crashes / .hotspot_compiler

Hi,
I'm trying to install a NW AS Java + usage type DI 7.0 SR3 on W2K3 R2 x64 SP2 with MS SQL Server 2005 and Java HotSpot(TM) 64-Bit Server VM (build 1.4.2_18-b06, mixed mode). During sapinst the server node was shut down by the program but doesn't come up anymore. It crashes constantly and is directly beeing restarted.
A look in std_server0.out gave me the following insight (example, added lf):
Login :33.902: [ParNew 218352K->59053K(966656K), 0.0923355 secs]
39.132: [ParNew 222893K->62535K(966656K), 0.1131081 secs]
44.103: [ParNew 226375K->65891K(966656K), 0.0794097 secs]
### Excluding compile: com.sap.engine.services.
webservices.jaxrpc.encoding.TypeMappingImpl::initializeRelations
48.296: [ParNew 229731K->66972K(966656K), 0.0845196 secs]
### Excluding compile: com.sap.engine.services.
webservices.jaxrpc.encoding.InstanceBuilder::readElement
52.107: [ParNew 230812K->71757K(966656K), 0.0862884 secs]
### Excluding compile: com.sap.engine.services.
webservices.jaxrpc.encoding.GeneratedComplexType::_loadInto
56.691: [ParNew 235597K->75601K(966656K), 0.0875517 secs]
An unrecoverable stack overflow has occurred.
# An unexpected error has been detected by HotSpot Virtual Machine:
# EXCEPTION_STACK_OVERFLOW (0xc00000fd) at pc=0x00000000080e3dd6, pid=4460, tid=5532
# Java VM: Java HotSpot(TM) 64-Bit Server VM (1.4.2_18-b06 mixed mode)
# Problematic frame:
# V [jvm.dll+0xe3dd6]
# An error report file with more information is saved as hs_err_pid4460.log
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
stdout/stderr redirect
node name   : server0
pid         : 3924
system name : DID
system nr. : 00
started at : Wed Sep 24 12:27:17 2008
As you can see the VM crashes. A look in the corresponding log-file (hs_err_pid4460.log) gave me the following insight (added lf):
Current CompileTask:
opto:1295 !   com.sap.engine.core.cluster.impl6.ms.MSRawConnection.sendMessage(
Lcom/sap/engine/core/cluster/impl6/ms/MSMessageObjectImpl;
Lcom/sap/engine/core/cluster/impl6/ms/MSRegistrable;
[BIIZ)Lcom/sap/engine/frame/cluster/message/MessageAnswer; (1477 bytes)
It seems that the CompileTask for the Hotspot VM always crashes when trying to compile the MSRawConnection class natively (reproducable). Sun describes a workaround for this type of problem, http://java.sun.com/javase/6/webnotes/trouble/TSG-VM/html/gbyzo.html#gbyzd . The workaround is to place a .hotspot_compiler file in the working directory of the application with an exclusion of the method. This will advice the VM whenever it decides to natively compile a certain bit of code first to check this file for exclusions. If the method identified by the VM to be compiled is exluded in this file, the compilation will be skipped. Therefore it would have been worth a try to exclude the above mentioned method sendMessage of class MSRawConnection for hotspot compilation. But when I do a quick search for .hotspot_compiler in my sap folder I find four of them, it seems SAP is already making heavy use of this "workaround" instead of reporting a bug. These files are located under:
D:\usr\sap\DID\JC00\j2ee\cluster
D:\usr\sap\DID\JC00\SDM\program
D:\usr\sap\DID\JC00\j2ee\cluster\dispatcher
D:\usr\sap\DID\JC00\j2ee\cluster\server0
They all contain the same exclusions, listed here (added lf):
## This file contains a list of methods which are going to be excluded from JIT compilation on server start
## The format of the file is as follows
## exclude package/subpackage1/subpackage2/../subpackageN/<Class_name> <method_to_exclude>
## Each line of the file describes only one method
## <method_to_exclude> is method name that will not be compiled with JIT
## package/subpackage1/subpackage2/../subpackageN/<Class_name>
is the name of the class with the packages containing <method_to_exclude>
## Example:
## exclude com/sap/engine/boot/Start main
## will not compile with JIT the main method of com.sap.engine.boot.Start class
## To enter a list of methods to exclude from JIT compilation write them after this line
exclude com/sapportals/portal/pb/layout/taglib/ContainerTag addIviewResources
exclude com/sap/engine/services/keystore/impl/security/CodeBasedSecurityConnector getApplicationDomain
exclude com/sap/engine/services/rmi_p4/P4StubSkeletonGenerator generateStub
exclude com/sapportals/portal/prt/util/StringUtils escapeToJS
exclude com/sapportals/portal/prt/core/broker/PortalServiceItem startServices
exclude com/sap/engine/services/webservices/server/deploy/WSConfigurationHandler downloadFile
exclude com/sapportals/portal/prt/jndisupport/util/AbstractHierarchicalContext lookup
exclude com/sapportals/portal/navigation/cache/CacheNavigationNode getAttributeValue
exclude com/sapportals/portal/navigation/TopLevelNavigationiView PrintNode
exclude com/sapportals/wcm/service/ice/wcm/ICEPropertiesCoder encode
exclude com/sap/lcr/pers/delta/importing/ObjectLoader loadObjects
exclude com/sap/engine/services/webservices/jaxrpc/encoding/InstanceBuilder readElement
exclude com/sap/engine/services/webservices/jaxrpc/encoding/InstanceBuilder readSequence
exclude com/sap/engine/services/webservices/jaxrpc/encoding/TypeMappingImpl initializeRelations
exclude com/sap/engine/services/webservices/jaxrpc/encoding/GeneratedComplexType _loadInto
I thought the D:\usr\sap\DID\JC00\j2ee\cluster\server0\.hotspot_compiler file must be the right file, but however to be sure (test) I added the following line to all four files after having shutdown the instance:
exclude com/sap/engine/core/cluster/impl6/ms/MSRawConnection sendMessage
When I start the engine again, the content of every file gets overwritten by the original content, therefore lacking my new line. So it seems to me that the content is somehow hardcoded or contained in the db. If it is in the db, is it possible to change the content via config tool? It also seems that this jdk is a beta version since it reports itself with the version string 1.4.2_18-b06. This is the one officially delivered by Sun on the [SAP download page|http://java.sun.com/j2se/1.4.2/SAPsite/download.html], as mentioned in [SAP Note 941595|https://websmp130.sap-ag.de/sap(bD1kZSZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=941595]. Can you please provide me a solution to add an exclusion to the .hotspot_compiler file or workaround for the above mentioned problem. As a last option I will deinstall the system and reinstall it with another jdk (e.g. J2SE v 1.4.2_17 x64 SDK), but first I want to try to exclude the method/class from compilation. Thanks for your help!
Best regards,
Fabian

Hi,
You can tell the VM which file to load as compiler exclusion list. Therefore I copied .hotspot_compiler to .ext_hotspot_compiler and added my line
exclude com/sap/engine/core/cluster/impl6/ms/MSRawConnection sendMessage
then I went to config tool and added under cluster data -> myinstance -> myservernode under tab General the Java parameter
-XX:CompileCommandFile=D:/usr/sap/DID/JC00/j2ee/cluster/server0/.ext_hotspot_compiler
The J2EE node is now starting up without problems.
Best regards,
Fabian

Batch restart of j2ee server nodes

Hello all,
Is it possible (maybe with jcmon) to schedule a single server node restart within a j2ee cluster ?
I would like to restart just one out of 4 server nodes on which ther are sometimes memory issues and where there are dedicated jobs running
thanks and regards,
MIchele

Hi Donna
If you are on unix/linux then you can pass options to jcmon over a pipe. This will restart the server1 node:
echo "20\n5\n2\ny\n0\n0\n" | jcmon pf=SID_DVEBMGS00_host
20\n5\n2\ny\n0\n0\n decodes like this:
20 -> goto local administration menu
5 -> restart process
2 -> restart server node 1 (change this to your server node number)
y -> yes i want to restart it
0 -> exit local admin menu
0 -> exit jcmon
This command can be included into a script and scheduled in cron.
Best regards, Michael

Restarting J2EE server nodes from Developer Studio Vs SAP Management Consol

Hi,
What makes the difference between restarting server nodes from Dev Studio and SAP Management console.
Please let me know if any documents related to this.
Thanks

Thanks for your quick reply.
I observed that options for restarting services from Dev Studio are disabled.
Could you please let me know where we need to configure to enable these options when right click on server instances.
Thanks

When should I logout my server session?

Hello Everyone,I am a newbie using TopLink.
I create my server session when my application is loaded, and acquire a client session from this server session for every client operation.However,I don't know when should I call logout method of the server session,as mentioned in Developer's Guide, "When you are finished using a database or server session, you must log out of the session using Session method logout. Although TopLink provides a finalizer to release sessions, this is a last resort. Oracle recommends that you always log out of your sessions."
Many thanks in advance.

You should only logout the ServerSession once your application will no longer needs it. For most applications this is not until the application is shutdown.
--Gordon

Options to change jdbc adapter for multiple server nodes without flag in db

Due to load, we are about to add a new server node for additional J2EE memory within XI. Reading the notes and discussions about this, it is apparent that the server nodes don't distinguish between themselves in terms of polling. i.e. If we have a jdbc channel that polls every 24 hours, and you have 2 server nodes, it polls twice at the approximate same time every 24 hours.
Question I have is how have people got around this issue where you cannot update the information to say that the data has been read. i.e. Our scenario is reading the complete table contents every day and sending all information to another system.
Hence, if we have 2 server nodes, we will execute this message twice. When we add a 3rd server node, we will have 3 messages sent at the same time per day.
One complicated option (I think) is to use an application client on XI to schedule a job which calls an ABAP Proxy on the integration client which starts off a ccBPM which in turn reads the database hence single threading this process.
Anyone got any sensible ideas?
Regards,
Matt
ps. Ignore the obvious design flaws with this approach as there is no other option in this scenario due to restrictions in the end system.

Hi Matt,
Extending Bhavesh's point, and assuming the receiver system is SAP, then why not schedule your calls on the receiver system, as the consumer of the data.
The report name and optionally a date range can be written from the RFC via XI to a separate table in the database. The select statement can join the table to the existing view. The update statement can update the new table as your source table or view is obviously out of bounds.
The advantage of this approach is that it results in a classic request response where XI is transparent.
We are planning to do something very similar in our own project.
Best Regards,
Bill

Problem in opening J2EE server..

Dear all,
When i write the address of my J2EE server in the internet browser and try to open it. The system gives an error saying that..<b>The following error occurred:
[code=GATEWAY_TIMEOUT] A gateway timeout occurred. The server is unreachable. Retry the request.</b>
Can anybody suggest me the error cause and fix..
Thanks,
Anup

Hi Anup,
Are you specifying correct port?
Port should be 5<instance num>00.
Also check whether your server is running properly or not.
Regards,
Bhavik

Problem starting j2ee server (new one)!

Please, someone help me - I have an assignment using j2ee!
I'm running XP and use jdk1.3.1.
When I try to start up the
j2ee server using j2sdkee1.3.1 I get this message:
Starting web service at port: 8000
Starting secure web service at port: 7000
J2EE SDK/1.3.1
Exception in thread "main" javax.xml.parsers.FactoryConfigurationError: Provider
org.apache.crimson.jaxp.SAXParserFactoryImpl could not be instantiated: java.la
ng.SecurityException: sealing violation
at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:
141)
at org.apache.catalina.util.xml.XmlMapper.readXml(XmlMapper.java:270)
at org.apache.catalina.startup.ContextConfig.defaultConfig(ContextConfig
.java:731)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:82
3)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfi
g.java:224)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:155)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1131)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
345)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:614)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307
I would be terribly thankful if someone knew :)

I had the problem with starting server too.
error message :
java.lang.RuntimeException: Unable to create ORB. Possible causes include TCP/IP
ports in use by another process
at com.sun.enterprise.server.J2EEServer.run(J2EEServer.java:346)
at com.sun.enterprise.server.J2EEServer.main(J2EEServer.java:972)
J2EE server reported the following error: Unable to create ORB. Possible causes
include TCP/IP ports in use by another process
Error executing J2EE server ...
I didn't think my machine was running another process while I attempted to run j2ee server.
But I had installed WebObjects of Apple company.
That's the reason or something else was wrong.
I am very anticipate for your help.

Reconnecting to J2EE server

I am developing a Adapter in TIBCO which connects to a J2EE server which acts a
host for JMS queue. This adapter picks up the the messages from the JMS queue
and publishes on the TIBCO bus.
Now JMS subscribers receive messages through a registration - callback
mechanism. If the J2EE server hosting the JMS queue goes down the subscriber is
not notified and simply receives no messages. In the jms adapter this means
that when the weblogic (J2EE) server comes back up no messages are received as
subscriber configurations have been lost on the server side.
To work around this we need to implement a disconnect-connect operation after
the adapter has been idle for a certain length of time using a separate timer
thread. But when i try to reconnect to the J2EE server after it starts again an
exception is raised.
This is code snippet i am using for reconnection. It is pretty straight forward.
try {
context = new InitialContext ();
          catch (NamingException nm)
               System.out.println ("NamingException " + nm);
          try {
               queueconnectionfactory = (QueueConnectionFactory)
context.lookup(queueConnectionFactoryName);
queueconnection =
queueconnectionfactory.createQueueConnection();
               queuesession = queueconnection.createQueueSession(false,
Session.AUTO_ACKNOWLEDGE);
               queue = (Queue) context.lookup(subJMSQueue);
queuereceiver = queuesession.createReceiver(queue);
queuereceiver.setMessageListener (listener);
queueconnection.start();
                                   outQueue = (Queue) context.lookup(pubJMSQueue);
                    catch (NamingException ne) {
                    System.out.println ("ERROR: Error while JNDI Namespace look up. Reason: " +
ne.toString());
               try {
               queueSender = queuesession.createSender(outQueue);
               catch (JMSException je) {
                    System.out.println ("ERROR: Error while creating Queue Objects. Reason: " +
je.toString());
          catch (NamingException ne)
               System.out.println ("Fatal! Initialization of JMS adapter failed - Could not
obtain connection objects for the JMS queue." + ne);
          catch (Exception e)
               System.out.println ("Fatal! Initialization of adapter failed - Could not
obtain components from registry." + e);
This is the exception i am getting.
javax.naming.CommunicationException: java.rmi.MarshalExcepti
on: CORBA COMM_FAILURE 1398079689 No; nested exception is:
org.omg.CORBA.COMM_FAILURE: minor code: 1398079689 completed: No
org.omg.CORBA.COMM_FAILURE: minor code: 1398079689 completed: No
at com.sun.corba.ee.internal.iiop.ConnectionTable.getConnection(Connecti
onTable.java:176)
at com.sun.corba.ee.internal.iiop.ConnectionTable.getConnection(Connecti
onTable.java:68)
at com.sun.corba.ee.internal.iiop.GIOPImpl.getConnection(GIOPImpl.java:7
0)
at com.sun.corba.ee.internal.corba.ClientDelegate.createRequest(ClientDe
legate.java:641)
at com.sun.corba.ee.internal.corba.ClientDelegate.createRequest(ClientDe
legate.java:583)
at com.sun.corba.ee.internal.corba.ClientDelegate.request(ClientDelegate
.java:875)
at org.omg.CORBA.portable.ObjectImpl._request(ObjectImpl.java:433)
at org.omg.stub.com.sun.enterprise.naming._SerialContextProvider_Stub.lo
okup(Unknown Source)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:120
at javax.naming.InitialContext.lookup(InitialContext.java:350)
at com.hutchison3g.core.ea.adapter.jmsadapter.JMSReconnectionTimer.reest
ablishJMSConnection(JMSReconnectionTimer.java:117)
at com.hutchison3g.core.ea.adapter.jmsadapter.JMSReconnectionTimer.onEve
nt(JMSReconnectionTimer.java:42)
at com.tibco.sdk.events.EventHandoff.run(MEventSource.java:141)
at java.lang.Thread.run(Thread.java:484)
Any suggestion whether i am doing it correct or how else can i do this.
Thanks all in advance.

The classic way to sort this kind of connectivity issue out is to use JINI.
JINI provides you with facilities that allow for the publication of services over a network. It also provides with facilities for discovering which services are currently available and which are not. It also does a tonne of other things for you too, including having invented this particular wheel for you.
In your case you would be introducing a rapdily emerging but mature system into your application that you will probably find a 1000 other uses for.
I find JINI fascinating to work with, I hope you do too (its a cannot live without it experience for me now)

How to add multiple table when creating add on using b1de

Hi all,
Plz help me
How to add multiple table when creating add on using b1de.
Thanks

Hi dns_sap,
Can you explain a little better what you are trying to accomplish? Is it to create UserTables and UserFields in the database, when the addon runs the first time?
If so, you can use the following code
Add User Table
        Try
            Dim lRetCode As Long
            Dim oUDT As SAPbobsCOM.UserTablesMD = oCompany.GetBusinessObject(SAPbobsCOM.BoObjectTypes.oUserTables)
            oUDT.TableName = TableName
            oUDT.TableDescription = TableDescription
            oUDT.TableType = TableType
            lRetCode = oUDT.Add
            '// Check for error when adding the Table: if lRetCode = 0 the table was created; if lRetCode = -2035 the table already exisits
            If lRetCode <> 0 Then
                oApplication.MessageBox("Error: " & lRetCode.ToString & ", " & oCompany.GetLastErrorDescription)
            End If
        Catch ex As Exception
            oApplication.MessageBox(oCompany.GetLastErrorDescription)
        Finally
            System.Runtime.InteropServices.Marshal.ReleaseComObject(oUDT)
            oUDT = Nothing
            lRetCode = Nothing
            GC.Collect()
        End Try
Add User Field
Try
            Dim lRetCode As Long
            Dim oUDF As SAPbobsCOM.UserFieldsMD = oCompany.GetBusinessObject(SAPbobsCOM.BoObjectTypes.oUserFields)
            oUDF.TableName = TableName
            oUDF.Name = FieldName
            oUDF.Description = FieldDescription
            oUDF.Type = FieldType
            lRetCode = oUDF.Add
            '// Check for error when adding the field: if lRetCode = 0 the field was created; if lRetCode = -2035, the field already exists
            If lRetCode <> 0 Then
                oApplication.MessageBox("Error: " & oCompany.GetLastErrorCode & ", " & oCompany.GetLastErrorDescription)
            End If
        Catch ex As Exception
            oApplication.MessageBox(oCompany.GetLastErrorDescription)
        Finally
            System.Runtime.InteropServices.Marshal.ReleaseComObject(oUDF)
            oUDF = Nothing
            lRetCode = Nothing
            GC.Collect()
        End Try
Regards,
Vítor Vieira

When should add "/" or not before a mapping path

In a book I get the following :
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
There should be no trailing or leading ��/�� characters in the welcome-file element.
<error-page>
<error-code>404</error-code>
<location>/common/404.jsp</location>
</error-page>
The value of the location element must begin with a ��/�� character.
My question is when should I add "/",and the what does "/" means?

If you don't have the "/" then this means that you are specifying a relative url. If you specify "/" this means that you are specifying an absolute url.

Normally if anyone buys an apple product (mac) , it comes with a built-in-apps that should be considered ( built in ) , Then why when the mac faces a mistake or an error that forces it to format , these apps don't show up ? etc : iMovie , garageband

normally if anyone buys an apple product with a specific model (mac) , it comes with a built-in-apps that should be considered ( built in ) , Then why when the mac faces a mistake or an error that forces it to format , these apps don't show up ? etc : iMovie , garageband ...
considered it should be '' BUILT IN APPS '' ??
So does it really make sense that i should buy these apps again after i already payed an extra amount of money in the first place to get a model that includes them ??
after formatting my mac these apps should be there like its a whole new device that i opened !!!
I hope anyone with any useful information can share his thoughts or help with further steps .

Downloading past purchases from the App Store, iBookstore, and iTunes Store

When should i consider to add multiple j2ee server node?

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