JCO_SYSTEM_FAILURE

We get this error when sending messages:
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1><--Localization failed: ResourceBundle='com.sap.engine.services.rfcengine.RFCRes</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. <--Localization failed: ResourceBundle='com.sap.engine.services.rfcengine.RFCRes</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
There seems to be an issue with RFC communication, but we can't seem to find the problem. This above error is logged a number of time, after which the server process will die. Each morning, the error is the same and we have to restart the Java Engine in order to get XI up and running again.
What RFC communication is meant here? Is it XI Java to XI ABAP, or XI ABAP to ECC ABAP? How can we differenciate between these forms of communication?

Hi,
Please look in tho these links.May be they can help u.
XSLT Maps with Java enhancements - JCO_SYSTEM_FAILURE
Message processing error
Mapping error
Mapping Error
**Reward if helpfull**

Similar Messages

XSLT Maps with Java enhancements - JCO_SYSTEM_FAILURE

Hi,
I have reviewed several postings regarding XSLT Maps with Java enhancements. I followed instructions and build a jar file and the XSLT document. I built one imported archive with the .jar and .xsl. For the class, The path get loaded properly.
However, I still have a problem when and execute the interface.
My xslt has the following information
<xsl:transform version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:ns="http://xyz.abc.sap.def.com"
    xmlns:javamap="java:xyz.Date_Time">
<xsl:param name="inputparam" />
    <xsl:template match="/">
        <test><xsl:value-of select="javamap:getDateValue($inputparam)"/></test>
    </xsl:template>
</xsl:transform>
In SXMB_Moni I get the following error...
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>Exception in method processFunction.</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. Exception in method processFunction.</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
If i remove the line
<test><xsl:value-of select="javamap:getDateValue($inputparam)"/></test>
The map ends successfuly.
Comments would be appreciated.
Regards,
Sergio

Stefan,
Find the class and method definition below. The method is static and it returns the string.
==========
package xyz;
import java.util.Map;
import com.sap.aii.mapping.api.AbstractTrace;
import com.sap.aii.mapping.api.StreamTransformationConstants;
import java.util.*;
import java.text.*;
public class Date_Time {
    private static AbstractTrace trace = null;
    public static String getDateValue(Map inputparam)
            trace = (AbstractTrace)inputparam.get(
                     StreamTransformationConstants.MAPPING_TRACE );
            Date now1 = new Date();
            SimpleDateFormat formatter = new SimpleDateFormat ("yyyyMMd");
            String dateString = formatter.format(now1);
            return dateString;

XI Error JCO_SYSTEM_FAILURE.MAPPING: Queue stopped

In SMQ2, i can see a queue stuck giving error:
XI Error JCO_SYSTEM_FAILURE.MAPPING: Queue stopped
when i click it...it leads me to a SXMB_MONI entry..
which corresponds to a IDOC to File scenario, where a message mapping fails giving the following error,
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>java.lang.OutOfMemoryError</SAP:P1>
<SAP:Stack>"SYSTEM FAILURE" during JCo call. java.lang.OutOfMemoryError</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
If i try to reEXECUTE the LUW from SMQ2, it again shows the error.......
how can i solve the problem without delecting the queue

hi ,
This error is coming because your message is very large or lots of large xsd files are uploaded in XI
you need to increase the memory used by JVM for your XI. How to increase the Memory ? for answer go to this blog.
/people/keerti.nayak/blog/2007/03/05/solving-145out-of-memory146-problem-150-using-jnlp
hope it will sovle the problem...

Error JCO_SYSTEM_FAILURE

Hi All,
I have an issue, I installed SAP PI 7.11 and SAP CE 7.2 in one machine. Every time I start CE system, error rising in PI system. our transaction in sxmb_moni has terminated when CE start with error message :
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error SOAP:mustUnderstand="1" xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>Bean SMPP_CALL_JAVA_RUNTIME3 not found on host <Server_Host>, ProgId =AI_RUNTIME_X</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. Bean SMPP_CALL_JAVA_RUNTIME3 not found on host <Server_Host>, ProgId =AI_RUNTIME_X</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
Anyone had the same problem with me? please help.

Hi Pothana,
Thx for your reply and sorry for my late response.
Yes I can install PI and CE in single host name. and you are right, I can't connect PI and CE paralleled. but the good news is, JCO connectivity problem was solved. I delete JCO_RFC_Provider (AI_RUNTIME_X) in netweaver administrator.
Regards,
Glenn

JCO_SYSTEM_FAILURE issue is frequently occuring in my PI 7.1 production

Hi,
We are facing the above mentioned issue frequently in our PI production. PI version is 711 sp03.
Please find below details from dev_jrfc.trc. Can anybody help me in resolving this issue.
rfcaccessejb/SMPP_CALL_JAVA_RUNTIME3, cannot resolve object reference.
        at com.sap.engine.services.rfcengine.RFCDefaultRequestHandler.handleRequest(RFCDefaultRequestHandler.java:121)
        at com.sap.engine.services.rfcengine.RFCJCOServer$J2EEApplicationRunnable.run(RFCJCOServer.java:267)
        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:169)
        at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:266)
Caused by: com.sap.engine.services.jndi.persistent.exceptions.NamingException: Exception during lookup operation of object with name rfcaccessejb/SMPP_CALL_JA
VA_RUNTIME3, cannot resolve object reference. [Root exception is com.sap.engine.services.ejb3.runtime.impl.refmatcher.EJBResolvingException: Cannot start appl
icationsap.com/com.sap.xi.services; nested exception is: java.rmi.RemoteException: [ERROR CODE DPL.DS.6125] Error occurred while starting application locally
and wait.; nested exception is:
        com.sap.engine.services.deploy.exceptions.ServerDeploymentException: [ERROR CODE DPL.DS.5070] Already started operation with application [sap.com/com.
sap.xi.services] in the cluster. No other operation with this application is allowed at the moment, because it is locked in the enqueue server or the lock fro
m there has been manually removed.]
        at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:509)
        at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:619)
        at javax.naming.InitialContext.lookup(InitialContext.java:351)
        at javax.naming.InitialContext.lookup(InitialContext.java:351)
        at com.sap.engine.services.rfcengine.RFCDefaultRequestHandler.handleRequest(RFCDefaultRequestHandler.java:104)
Regards,
Venkata S Pagolu

Hi Bruno,
Thank you very much for your response.
The error is not happening continuously. This is only few times in a week. For Example, The error occurs for 5 messages out of 50 messages in a day but not for all messages.
Please find below details from related failed message.
Technical Detail::
Issue occurred Date: 09.11.2010
Issue occurred Time: 21:40:09 CET
Message ID: 89A426B0EC4111DFBEC000145E6F4303
Alert Description: PI_GENERIC_ALERTS - For Mapping
Sender service: SYS_<SID>_<client>
Sender namespace: urn:sap-com:document:sap:rfc:functions
Sender interface: BAPI_GOODSMVT_CREATE
Receiver interface: SI_MES_HTTP_GoodsMovement_10139_os
Error Category : MAPPING
Error Code : MAPPING.JCO_SYSTEM_FAILURE
Also can you please let me know which user should be used in RFC registered server program.
Regards,
Venkata S Pagolu

JCO_SYSTEM_FAILURE and J2EE restart

Hi All,
We are currently encountering an issue with IDOC to HTTPS scenario that we we are working on. There are several RFC that are being performed in the mapping to retrieve information from R/3. The mapping has been tested sufficently with data from R/3 DEV system without any issues.
We have the scenario tested in DEV, and its works fine. But when we test the same onjects connected to REL r/3 system, we are noticing that the messages always get stuck in the outbound queue with the status as "transaction executing". After a while the below message is logged:
<SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>Bean SMPP_CALL_JAVA_RUNTIME3 not found on host albbir1, ProgId=AI_RUNTIME_BIR: P</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. Bean SMPP_CALL_JAVA_RUNTIME3 not found on host albbir1, ProgId=AI_RUNTIME_BIR: P</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
There seems to be an issue with RFC communication, but we can't seem to find the problem. This above error is logged a number of time, after which the J2ee server process will either restart or stop. We have been manually restarting the J2ee server and the cancelling the message with errors.
We have tested the TCP RFC Destination AI_RUNTIME_JCOSERVER, it works fine, before the mesages get stuck.

Hi Harleen,
This kind of issue occurs for many cases.
First of all, if there is a server restart(in specific the java stack) and during that time, if any synchronous interface was in execution it would fail with this error.
Since, it is a HTTP adapter at the receiver side, it can also occur if the connection is down at the receiver side.
Because of an untimed restart of a server node/cluster, async interfaces could also fail with this error.
As of now to clear that issue, you can save the payload and delete the blocked message from the queue and check if other messages are getting processeed on not.
Check if the connections to target system are working fine.
Regards,
Younus

MAPPING JCO_SYSTEM_FAILURE error

Hi All,
I am trying to test my interface SRM->MDM in new environment. Messgae came into XI and its in to be deliverd state since 1 day with below error. Its working without any issue in Dev XI system but when we moved to QA system its giving this issue. I gone throug the previous threads buts nothing relates to my issue.
<SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>connection to partner 'localhost:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 t</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. connection to partner 'localhost:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 t</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
Please help me to fix this.
Thanks in advance.
Regards,
Vishal

Try this one to see if it solves your problem or not:
Go to JCO RFC Provider. In the Right hand we will find the RFC Destination A1_RUNTIME_<SID>. Select the destination and click on Stop and then start.
Regards.
Liang

Auto Cancellation of Messages in the Integration Engine.

Dear all,
Issue: Auto Cancellation of Messages in the Integration Engine.
Description: Actually Today, I'm facing Problem in message mapping and its showing error "JCO_SYSTEM_FAILURE". Finally the message is Auto Canceled and showing the status in the Message Monitoring as Canceled with Errors.
I have doubt here how the messages are Auto Canceled with Error? Is there any system or ABAP program which cancelling these messages?
Waiting for yours valuable reply on the above issueu2026
Edited by: BhavinPatel on Oct 7, 2010 8:15 AM

Hi Bhavin,
Two report program are there to cancel error msgs automatically..
1) RSQIWKEX
2) RSXMB_CANCEL_MESSAGES
Regds,
Pinangshuk.

Problem in java mapping - request reject when enter to the XI

hello
I have WS 2 RFC with JAVA MAPPING. I try to run it and recieve an error in the sxmb:
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>Exception in method processFunction.</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. Exception in method processFunction.</SAP:Stack>
<SAP:Retry>N</SAP:Retry>
</SAP:Error>
in the xml spy the return is:
                         <text><![CDATA[
com.sap.aii.af.ra.ms.api.DeliveryException: XIServer:JCO_SYSTEM_FAILURE:
     at com.sap.aii.adapter.xi.ms.XIEventHandler.onTransmit(XIEventHandler.java:455)
     at com.sap.aii.af.ra.ms.impl.core.queue.CallConsumer.onMessage(CallConsumer.java:133)
     at com.sap.aii.af.ra.ms.impl.core.queue.Queue.run(Queue.java:850)
     at com.sap.aii.af.ra.ms.runtime.MSWorkWrapper.run(MSWorkWrapper.java:56)
     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)
          ]]></text>
any suggestion why the xi doesnt recieve the request:
Thanks
Kfir

Test RFC destination AI_RUNTIME_JCOSERVER. You may delete and recreate it.
how exactly do I test it? in the XID or the SAP DEV?
how can I delete and recreate?
since I never did it, details will be appreciated.
Kfir

Java and abap stack connection

Hello,
how to check connection b/w Java and ABAP stack.
I am getting below error :
SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>connection to partner 'localhost:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 t</SAP:P1>
We did some upgrades of kernel and jvm and started getting this error.
Please suggest

Hi,
Check this threads
JCO_SYSTEM_FAILURE
JCO_SYSTEM_FAILURE
JCO_SYSTEM_FAILURE . Pls help
Regards
Ramesh

Error in IDoc to file scenario

Hi Experts,
I am working on IDoc to File scenario.IDoc is sccessfully reached XI.In SXMB_MONI it is showing error in request mapping.Error is
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>max no of 100 conversations exceeded / CPIC-CALL: 'ThSAPCMRCV' No memory availab</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. max no of 100 conversations exceeded / CPIC-CALL: 'ThSAPCMRCV' No memory availab</SAP:Stack>
<SAP:Retry>A</SAP:Retry>
</SAP:Error>
Please suggest me in this issue.
Thanks,
Bhuvan.

Check this link:
http://help.sap.com/saphelp_nw70/helpdata/EN/bb/ad1c3d2b058c4ce10000000a114084/
You might want to refer to the SAP NOTE: 316877
Regards,
Ravi

Connectivity issue between ABAP and JAVA stack

Hi All
we are facing the following issue while running interface. message got failed while processing Graphical mapping in Java stack. Can any one please help us what could be the issue here? Is there anything we missed from Config / XI development.
This message was failed with not more than 200 MB file.
XIServer
JCO_SYSTEM_FAILURE
connection to partner 'localhost:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 t
"SYSTEM FAILURE" during JCo call. connection to partner 'localhost:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 t
A
Appreciate your quick response.

Hi Yadagiri,
Please check the reply from Carlos in the below thread
Re: increasing heapsize of java on WINDOWS 2003
Also check your sm59 RFC destination, i guess there is some problem.
Delete AI_RUNTIME_JCOSERVER(RFC connection between the Java engine and the ABAP engine) and create it again.
Hope tht will resolve ur issue...
Regds,
Pinangshuk.

Lookup using RFC & JCO.

Hi All,
We are develloping Lookup logic using custom java code.
Our Xi server is at SP12.The code is working fine in java IDE.
But when I imported classes into Repository & tested its rebooting services of XI j2ee engine & I am getting message dispatcher running no server conncted the monitoring tool shows
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"SYSTEM FAILURE" during JCo call.</SAP:Stack>
<SAP:Retry>N</SAP:Retry>
</SAP:Error>
Any idea what is going wrong ?
Thanks,
Tuhin

Hi,
Did u import the required java JCO libraries into imported archives...?
Have u mentioned the same in imports of your advanced java function...?
Look at "How to Perform SAP Data Lookups Within XI Mappings" by "Jerome Delune" in articles section to perform the lookup.
But i personally recommend you to upgrade the server to SP13 and use the new lookup API's provided. U can refer to "XI Mapping lookups RFC API" article by "Michal" to perform the lookup.
Cheers,
Siva Maranani.

Error during this APL startup period - PI 7.0 SPS13

When we need to perform some maintenance in an application Server, we are stop this APL. During these steps, no problem in the XI System.
We have the same procedure to startup and we only put APL again, the central instance is not affect and all XI components will be running well, but during the APL startup, in the SMGW transaction we can see the ID AI_RUNTIME_XP0 for this APL, before all XI components will be available.
This situation is causing a lot of problems in the interfaces. During
this startup period, we can see this error messages
Received XI System Error in Integration Engine. ErrorCode:
JCO_SYSTEM_FAILURE ErrorText:
ErrorStack: "SYSTEM FAILURE" during JCo call. Bean
SMPP_CALL_JAVA_RUNTIME3not found on host apl54, ProgId
=AI_RUNTIME_XP0: P
(In this example, the APL was apl54).
Is there a special procedure to boot the APL ?

Marco
If I understand your question right, you want to know if there is a best practice to stop and restart an application server which is a part of your XI landscape? If my assumptions are right, for the fact that you are trying to bring down an application server means you have more than one app server and they are in a load balanced mode. If yes, you might want to first remove the application server from the RFC group (RZ12) which will prevent any new messages hitting this server. Then, once all the messages that are still under processing in this app server are completed, you can bring the server down, do the maintainance and bring it up. Once up, add it to the RFC group again. Same procedure applies for the java server nodes on this app server as well.
Hope this helps. I should say you haven't been very clear with your questions and hence no reply from other members. We understand your anxiety in not receiving any answers but with a global community like SDN, you might have to give as much information as possible to compensate for language barriers.
Thanks
KK

MAPPING JCO_COMMUNICATION_FAILURE (SOAP to RFC scenario)

Hi,
Our system is PI 7.1 EHP1 and the scenario is to SOAP to RFC (Synchronous). I have imported the RFC into ESR and used it as data type for Outbound interface for SOAP.
Initially i havent created any mapping because all Interface fields are same (name and type) with RFC because i have used RFC as data type. When we have tested the integration via SOAPUI we have seen that the request message wasn't transferred to RFC but the response was transferred from RFC to SOAP response. Could it be a bug? or is it normal behaviour?
Later, i have created a graphical mapping without any data conversion etc.. It is just mapping. This time it transferred the request and response as well.
When we have started stress test on a PI system (6000 SAPS), the PI JAVA stack started to use %100 of CPU. We have processed 100 message per minute. After 20 minutes, Java stack of PI has crashed and restarted.
Our plan is to process message more then this test numbers. Possibly it is approx 400 message per minute.
I have found below errors on RWB (approx 250 message have below errors).
How this high CPU consumption can be resolved?
- <SAP:Error SOAP:mustUnderstand="1" xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_COMMUNICATION_FAILURE</SAP:Code>
<SAP:P1>Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=2 thRc=67</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:Stack>"COMMUNICATION FAILURE" during JCo call. Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=2 thRc=67</SAP:Stack>
</SAP:Error>
- <SAP:Error SOAP:mustUnderstand="1" xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_SYSTEM_FAILURE</SAP:Code>
<SAP:P1>connection to partner 'loopback:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 th</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:Stack>"SYSTEM FAILURE" during JCo call. connection to partner 'loopback:0' broken / CPIC-CALL: 'ThSAPCMRCV' : cmRc=20 th</SAP:Stack>
</SAP:Error>
Kind regards,
Altuğ Bayram

Hi,
Connection between ABAP and JAVA has been broken...thats the reason for the JCO_COMMUNICATION Error
you need to either restart the java or have a look at the RFC Connection JCO_AI_CONNECTION...
re you making use of AAE for this scenario..which can improve the performance than using classic scenario.
performance depends on the hardware of the server also...
Check the sizing Guide of the PI 7.1 on SDN.
Check the below link it may help you..
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/f0b96675-87cf-2c10-b489-dee0ac03f782
HTH
Rajesh

JCO_SYSTEM_FAILURE

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