Communication between EM agents/EM agent and OMS

Hi,
I am trying to explore the possibility of communication between.
1) EM agent to EM agent
2) Bi-directional Communication between OMS and EM agent
Is there a method by which EM agents can communicate with each other(For ex: sending a String from one agent to agent)
directly or through OMS. Till now, what I have explored it seems only agent to OMS communication is possible.

I am exploring the possibility to build an application roughly similar to client server architecture, using Oracle Enterprise Manager.
I intend to use OMS as the server and different host on which EM agents will be installed as clients.
I require different applications to be running on different client machines[machines having EM agent] which needs to communicate between them for ex: message passing.
OMS server also need to send message to clients, whereas client can also send some data to OMS.
Hope, the scenario is now clear.

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Difference between local agent and standalone agent

Hi all,
Can you please tell me the difference between local agent and standalone agent?
I am getting a bit confused about this.
Regards,
Sourav

Local agent will be running under the context of the main ODI session i.e. it is linked to an open session of the designer, operator etc. Standalone ODI agents run in their own JVM process and could be installed on any server and do not require an open instance of the ODI client GUI to run scenarios

Connection between SMD Agent and SMD server via SAProuter

In our scenario, we have to setup the connection between SMD agent and SMD server(solution manager server) via saprouter. But during the installation of SMD agent, we can only specify the hostname of the managing system, we have no place to add saprouter string(/H/..../H/). I I am not sure if we could connect the agent and server via saprouter, if so how to do it?
Hope someone can give us your precious advices on this issue.
Karl

Perfect; and thanks for your response. I found this help page for developers to implement P4 support over SAP router: http://help.sap.com/saphelp_nw73/helpdata/en/48/2992d7ad8758d7e10000000a421937/content.htm
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And also the diagnostic agent setup has no options to config a proxy or sap router. I found yesterday a blog on sdn side with screenshots of the setup with all available connection opetions to SLD... sry I can not post this link today.
This is an official statment of SAP from the current version of SMD guide; it is also possible but why not from the beginning???:
In some network conficurations, the Diagnostics agent has to connect to the Managing system though a SAP router.
This feature will be fully supported in Solution Manager 7 Ehp2 (7.02).
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setup the agent and on which patch level you can perform the installation.
This thread were a long time not answared; proxy and routing connections are mostly stepmotherly handled by SAP; this is also a problem by set up of automatic RFC generations in SMSY; why there are in the setup assitents no options to set up the router string.
I have absolutly no comprehension for this in year 2011. All this technics are good known and long time tested.
In this case the f**k has provoked an answare to this thread and this is what I expected; but sorry for my style You are right I could also writh why the heck
FAQ:
SMD root side on SDN: http://service.sap.com/diagnostics
SM FAQ: http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/4e49dbea-0c01-0010-91bd-f0b61388c9ae
SM Setup Home: http://wiki.sdn.sap.com/wiki/display/SMSETUP/Home
SM Diagnostic Troubleshooting Guide: https://websmp201.sap-ag.de/~sapdownload/002007974700000409092009E/DiagAgent_TroubleShooting.pdf
SMD Candidate Setup: http://wiki.sdn.sap.com/wiki/display/SMSETUP/Diagnostics+Agents

Agent and oms OS different

Hello all,
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Communication between agents and repository uses http or https and XML.
No platform-dependencies are present.
Sybrand Bakker
Senior Oracle DBA

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No communication between the DNS/DHCP Manager Console and OES server (status,start,stop)
The screenshot shows the tab "DHCP (OES Linux)" in the DNS / DHCP Manager console
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allDHCP.JPG
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The button "start/stop DHCP service" works fine on this servers and
the dhcp service can be canceled and also restarted
But the status of the "dhcp service" is not recognized for all the other DHCP servers
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All servers were installed at different times (last three years) with OES11 and
are upgraded to OES11SP2 with all patches.
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Which service on the OES server is responsible for
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How the status query is performed by the DNS/DHCP Manager?
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Thanks in advance
Gernot

gernot,
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posting. That concerns us, and has triggered this automated reply.
Has your problem been resolved? If not, you might try one of the following options:
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In EM Cloud control 12c, How to enable SSL between agent and OMS?

As title. Thanks!

Did you checkout MOS note 12c Cloud Control Security: How to Secure a 12c Agent from Console / Command Line? [ID 1390222.1] ?
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Rob
http://oemgc.wordpress.com

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Dear All,
We have the ERecruiting setup comprising of ERec 3.0 standalone with the backend HR system 4.7. We are using ALE to communicate between the two systems.
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Chetan Mane

Closed

Communication between Canon 350D software suite and OS X 10.4.3

I have recently acquired a Canon 350D SLR camera and also decided that I would upgrade to OS X 10.4.3 in order to upgrade my Iphoto to version 5.0 (only available via the bundelled Ilife05 package unfortunately).
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Powerbook Mac OS X (10.4.3)
Powerbook Mac OS X (10.4.3)
Powerbook Mac OS X (10.4.3)

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Here is what I'm confused:
1. Should the EM Agent be installed in the host where my JMX-instrumented application is installed? If this is true, then that will mean Agent cannot monitor the remote resource. But it sounds not reasonable.
2. When making the application JMX-instrumented, we should use the platform MBeanServer or create our own MBeanServer? Do they have a major difference? and will it impact the plug-in design?
Thanks in advance.

Answers to your queries:
1. Should the EM Agent be installed in the host where my JMX-instrumented application is installed? If this is true, then that will mean Agent cannot monitor the remote resource. But it sounds not reasonable.
Its not necessary that EM Agent should be installed on the same host where JMX-instrumented application is/are installed. EM Agent has a fetchlet (named OJMX) that can be used. Refer to [Management Using Web Services and JMX|http://download.oracle.com/docs/cd/B19306_01/em.102/b16246/web_jmx.htm] for more details on emjmxcli tool, which can help to build the plug-in which can monitor the MBeans. [EM Extensibility Guide|http://download.oracle.com/docs/cd/B19306_01/em.102/b16246/toc.htm] contains all the details for building a plug-in.
2. When making the application JMX-instrumented, we should use the platform MBeanServer or create our own MBeanServer? Do they have a major difference? and will it impact the plug-in design?
To best of my knowledge, plug-in design doesn't get impacted

Failed to secure agent to oms

10.2.0.5
both agent and oms at latest psu.
Linux Redhat 4.
As a test, trying to secure the agent that is on the same server as the OMS. I am secure it against a VIP, since we have active/passive failover.
I already secured my oms against the VIP. It is running. I can reach grid control through the VIP. The agent functions fine against the regular IP before securing.
On this step:
$AGENT_HOME/bin/emctl secure agent -emdWalletSrcUrl https://<virtual_hostname>:<upload_port>/em
I just get a failed. Here are the errors from the log. I got 2.
2011-06-09 15:36:42,538 [main] INFO agent.SecureAgentCmd secureAgent.223 - Requesting an HTTPS Upload URL from the OMS
2011-06-09 15:39:42,616 [main] ERROR agent.SecureAgentCmd main.207 - Failed to secure the Agent:
java.io.InterruptedIOException: Connection establishment timed out
at HTTPClient.HTTPConnection.getSocket(HTTPConnection.java:3261)
at HTTPClient.HTTPConnection.doConnect(HTTPConnection.java:4020)
at HTTPClient.HTTPConnection.sendRequest(HTTPConnection.java:3003)
at HTTPClient.HTTPConnection.handleRequest(HTTPConnection.java:2843)
at HTTPClient.HTTPConnection.setupRequest(HTTPConnection.java:2635)
at HTTPClient.HTTPConnection.Get(HTTPConnection.java:923)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.openPage(SecureAgentCmd.java:836)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.getOMSSecurePort(SecureAgentCmd.java:782)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.secureAgent(SecureAgentCmd.java:224)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.main(SecureAgentCmd.java:200)
2011-06-09 15:49:33,715 [main] INFO agent.SecureAgentCmd secureAgent.223 - Requesting an HTTPS Upload URL from the OMS
2011-06-09 15:49:34,357 [main] ERROR agent.SecureAgentCmd main.207 - Failed to secure the Agent:
javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
at com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(InputRecord.java:523)
at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:355)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:782)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1089)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:618)
at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:59)
at java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:112)
at HTTPClient.HTTPConnection.sendRequest(HTTPConnection.java:3018)
at HTTPClient.HTTPConnection.handleRequest(HTTPConnection.java:2843)
at HTTPClient.HTTPConnection.setupRequest(HTTPConnection.java:2635)
at HTTPClient.HTTPConnection.Get(HTTPConnection.java:923)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.openPage(SecureAgentCmd.java:836)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.getOMSSecurePort(SecureAgentCmd.java:782)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.secureAgent(SecureAgentCmd.java:224)
at oracle.sysman.emctl.secure.agent.SecureAgentCmd.main(SecureAgentCmd.java:200)

I have same setup like you. I configured it a long time ago, so stuff are a bit fuzzy in my head!
I remember I deleted the old wallet file, changed the REPOSITORY_URL and emdWalletSrcUrl in emd.properties in AGENT_HOME/sysman/config to use the VIP hostname. Then ran "emctl secure agent".
Please note the upload port and SSL usage are different for wallet and repository URLs.
What I changed:
REPOSITORY_URL=https://<virtualhostname>:1159/em/upload
emdWalletSrcUrl=http://<virtualhostname>:4889/em/wallets/emd
What I Didn't change:
EMD_URL=http://<physicalhostname>:3872/emd/main/
This will automatically change to HTTPS after successfully securing agent.
HTH

Doubt in possible agent and responsible agent.

Hi All.
Can any one please help me in solving difference between possbile agents as responsible agents.
As per my understanding we will maintain the possible agents in the task definition and responsible agents in the work flow definition.
For example if a invoice posting needs to be handled,if i define three agents in the task definition as possible agents who will become the responsible agents out of three..
can any one please help me in understanding the difference between possible agent and responsible agent?
Thanks in advance.

Hi ,
It's very small but interesting doubt :P
If in activity level any agent is maintain like we maintain &_wf_initiator& generally. that agent is the responsible agent .. or if any rule is maintained then the agents selected by the rule will be responsible agents but the ..
There is something which you have missed is recipients .. who actually receives the workitems in their inboxs.. these are the user who are the intersection of possible and responsible agents..
In short
Possible agents as you have said..
Responsible are the agents you maintain at activity level or get selected by the rule.
and Recipents who actually gets the workitem..
hope this will help you
Regards
Dev

Communication between ECC and CRM

Hello,
I am in phase of showing communication between SAP CRM 5.0 and ECC 6.0.
I am struggling with finding some simple transactions which are common in both, with which I can show correct connectivity between ECC and CRM.
I need to save some data from CRM and access the same via transaction within ECC, save some data via ECC and access it via CRM. I already established RFC link between ECC and CRM.
Probably communication between SD module of ECC with CRM.
Can you please help me out with this, a clue/correct direction will be of very helpful. Basically I want to know, what transaction I can use for same.
Any help is really appreciated.
Thanks
-Vishal

Hi Glenn,
I followed all steps in document mentioned above. In the end during execution of transaction I selected appropriate source and destination, when I click start transfer objects, it gets stuck in waiting phase.
Among those steps I was not able to perform step#10. Creating Subscriptions for OLTP. My ERP is not displaying this option under subscription wizard. Should it be reason for not starting transfer ? I also do not see ERP logon screen when I select transfer.
My another question is when transfer will complete, where I'll be able to see transferred objects within ERP database ?
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Communication between BSP and Web Dynpro JAVA

Hello All!
I'm wondering whether the communication between a web dynpro application and a BSP application is possible.
To ellaborate more, we have developped a web dynpro application acting as sender and we would like to develop a bsp application that displays a smart forms and which needs to listen to the web dynpro. We don't know exactly how to do that.
Your help is really appreciated!
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Hajar

HI
GOOD
I NEVER FACED SUCH ISSUES, HEREWITH I AM GIVING SOME LINKS, I HOPE THESE WILL HELP YOU TO SOLVE YOUR PROBLEM.
http://sapfans.com/forums/viewtopic.php?t=168023&sid=1ed91bc0423642f19dc32b70ef3d37e3
http://www.sap-press.com/downloads/sap_press_catalog_2006_summer.pdf
http://help.sap.com/saphelp_nw04s/helpdata/en/a6/10b98ae47ef14799a918db66ee9477/content.htm
THANKS
MRUTYUN

Communication between BSP and Web Dynpro

Hello All!
I'm wondering whether the communication between a web dynpro application and a BSP application is possible.
To ellaborate more, we have developped a web dynpro application acting as sender and we would like to develop a bsp application that displays a smart forms and which needs to listen to the web dynpro. We don't know exactly how to do that.
Your help is really appreciated!
Yours,
Hajar

i guess it should be possible. (is it ABAP webdynpro or java webdynpro?)
post it in WEBDYNPRO forum for quicker resposne.
Web Dynpro Java
Regards
Raja

Communication between TNS_Listener and Apex Listener

Dear all,
I how does the communication between TNS Listener, Apex Listener, and Apex? For some reason I got the following error from Apex listener:
Caused by: oracle.dbtools.rt.web.WebException: Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: Cannot get Connection from Datasource
Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptorI truncated some of the Java object messages.
This occurred when I tried to connect to Apex. Then I can fix this by going to:
http://localhost:8080/apex/listenerConfigurethen, everything worked fine.
My listener.ora file:
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    (DESCRIPTION =
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ADR_BASE_LISTENER = /usr/local/oracle
ADR_BASE_ORACLE_LISTENER = /usr/local/oraclemy tnsnames.ora file
INARA =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = firefly.snowdrop.com)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = inara.snowdrop.com)
)where inara is the instance name and firefly is the hostname.
Does the order of whether starting TNS Listener first or starting Apex Listener first matter?
Best regards,
Val
Edited by: Valerie Debonair on Aug 1, 2011 5:47 AM

Hm, I'm not able to reproduce the error. There was one time when I started APEX Listener got:
java.net.BindException: Address already in use: 8080=com.sun.grizzly.http.SelectorThreadHandler@46d999aand when I did the netstat -a got:
root@firefly:~# netstat -apnl |grep 8080
tcp6       0      0 :::8080                 :::*                    LISTEN      4530/tnslsnr I had no idea what made 8080 tagged by the TNS listener, as I started it out before APEX Listener. Very curious how did this happen.
There was one time netstat -a showed me this (this happened after I stopped Apex Listener, stopped TNS Listener, shutdown the database, started database, started TNS Listener, and started Apex Listener):
root@firefly:~# netstat -a |grep 8080
tcp        0      0 firefly.snowdrop.:22110 firefly.snowdrop.c:8080 ESTABLISHED
tcp        0      0 firefly.snowdrop.:22111 firefly.snowdrop.c:8080 ESTABLISHED
tcp        0      0 firefly.snowdrop.:22107 firefly.snowdrop.c:8080 ESTABLISHED
tcp        0      0 firefly.snowdrop.:22109 firefly.snowdrop.c:8080 ESTABLISHED
tcp        0      0 firefly.snowdrop.:22112 firefly.snowdrop.c:8080 ESTABLISHED
tcp        0      0 firefly.snowdrop.:22108 firefly.snowdrop.c:8080 ESTABLISHED
tcp6       0      0 [::]:8080               [::]:*                  LISTEN
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22108 ESTABLISHED
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22107 ESTABLISHED
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22112 ESTABLISHED
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22109 ESTABLISHED
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22110 ESTABLISHED
tcp6       0      0 firefly.snowdrop.c:8080 firefly.snowdrop.:22111 ESTABLISHEDWhat are 22108, 22107, etc? I cannot reproduce this either.
Now I only got
root@firefly:~# netstat -a |grep 8080
tcp6       0      0 [::]:8080               [::]:*                  LISTEN
root@firefly:~# netstat -pnl |grep 8080
tcp6       0      0 :::8080                 :::*                    LISTEN      5035/java   which is normal, right?
Edited by: Valerie Debonair on Aug 1, 2011 9:43 PM

Communication between EM agents/EM agent and OMS

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