Jco 2.0.10 - HPUX - use_sapgui=2

Hi All,
i'm using jco with hpux. if the property use_sapgui is set to 0 everything works out fine but if I set it to 2 it won't return from the sap call. It returns only if I disconnect the client or kill the login in SM04.
With JCo Version 2.1.4 it won't even work if I disconnect or kill the login. However with use_sapgui=0 everything works out fine.
The problem only occures on Unix platforms. On Windows everthing works.
Does someone have a glue about the problem?
Tanks, kind regards
jochen

Hi,
to use the sapgui on unix you've to set some environment variables.
export SHLIB_PATH=/opt/sapjco
export CLASSPATH=/opt/sapjco/sapjco.jar
export PLATINHOME=/opt/sapgui
export SAPGUI="$PLATINHOME/bin/guistart"
export PLATIN_JAVA=/opt/java1.4/jre/bin/java
export PLATIN_JAVA_VER=1.4.0
The bad thing is that the different jco versions behave different. The latest version (2.1.4) of sapjco does not work with sapgui = 2 at all.
regards
jochen

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at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:475)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:269)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:101)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
Caused by: RfcException: [null]
message: Name or password is incorrect (repeat logon) on DXI mshost strsap31
Return code: RFC_SYS_EXCEPTION(3)
error group: 103
key: RFC_ERROR_LOGON_FAILURE
at com.sap.conn.rfc.api.RfcApi.RfcOpen(RfcApi.java:219)
at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.connect(MiddlewareJavaRfc.java:1331)
... 87 more
Caused by: RfcException: [DXI|strsap31]
message: Name or password is incorrect (repeat logon)
Return code: RFC_SYS_EXCEPTION(3)
error group: 104
key: RFC_ERROR_SYSTEM_FAILURE
Exception raised by DXI|strsap31
at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcReceive(RfcIoOpenCntl.java:2034)
at com.sap.conn.rfc.api.RfcApi.RfcOpen(RfcApi.java:187)
... 88 more
Caused by: com.sap.conn.rfc.exceptions.RfcGetException: Name or password is incorrect (repeat logon)
at com.sap.conn.rfc.engine.RfcImp.ab_rfcerror(RfcImp.java:1157)
at com.sap.conn.rfc.engine.RfcGet.rfcget_run(RfcGet.java:131)
at com.sap.conn.rfc.engine.RfcGet.ab_rfcget(RfcGet.java:23)
at com.sap.conn.rfc.engine.RfcRcv.ab_rfcreceive(RfcRcv.java:33)
at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcReceive(RfcIoOpenCntl.java:1981)
... 89 more

User id missing in client 000

RFC_ERROR_SYSTEM_FAILURE: Time limit exceeded. Connection Pool - JCO api

Hi Everyone
My Connection Pool parameters JCO api.
client=300
user=SISGERAL_RFC
passwd=******
ashost=14.29.3.120
sysnr=00
size=10
I have these parameters on my Connection Pool and sometimes appear these wrongs in my application:
1.
2006-01-07 13:20:37,414 ERROR com.tel.webapp.framework.SAPDataSource - ##### Time limit exceeded. LOCALIZED MESSAGE = Time limit exceeded. KEY = RFC_ERROR_SYSTEM_FAILURE GROUP = 104 TOSTRING = com.sap.mw.jco.JCO$Exception: (104) RFC_ERROR_SYSTEM_FAILURE: Time limit exceeded.
2.
2006-01-07 14:01:31,007 ERROR com.tel.webapp.framework.SapPoolConnectionManager - Timeout
Id like to know if is happening.
Are there something wrong with my connection pool?
What can be happening?
Thanks

Raghu,
Thanks for your response.
Yes, the pool connections are in place according to the sAP note mentioned above.
Regards,
Faisal

JCO connection pool is exhausted

hi
I am using RFC module in my web dynpro application. When the application is used for sometime, the JCO connection will get exhusted. The JCO connection will not release itself. I can't find any method in web dynpro to release the connection manually. How can I solve this problem?

Hi,
What is scope of the connection. View properties of MODELDATA and METADATA destinations.
You can change the scope of the connection..
or
wdContext.current<BAPI INPUT>Element().modelObject().modelInstance().disconnectIfAlive();
For more ways , give a forum search.. There are a lot of close forum posts.. Gud luc..
Regards
Bharathwaj

Problem with JCo Connection Pool

Hi,
I have a problem with using an RFC Model in my WebApplication. So sometimes the access to the function block works, and sometimes it doesn't work. Now I know, that there is a problem with the connection pool. Look at this message:
com.sap.mw.jco.JCO$Exception: (106) JCO_ERROR_RESOURCE: Connection pool WD_X24_MODELDATA_DEST_CPIC_REKTO_DE_useDefinedUser is exhausted. The current pool size limit (max connections) is 10 connections.
So it looks like a problem with closing the JCo Connections after using. Do know where the problem is? Because I'm using many other function blocks with no problems.

Hello,
You need to increase the pool size via Visual Administrator.
Server 0 -> Services -> JCO RFC Connections.
Change the pool size from there. I believe a restart is in order.
Regards,
Jan

SAP connection from JCO

Hi All,
Can anyone help me to connect to SAP from JCO using logon group....appericate if you can give some example such as sample code on how to connect using logon group. Its is urgent.
thanks!
prab

Hi Pardeep,
Thanks a lot!!!
It seems now the connection is working. I passed the parameters u have told and now I am not getting any connection error.When I print
System.out.println(myClient.getAttributes());
It returns me the following with correct IP address:
OWN_HOST:              bpcbz6n
PARTNER_HOST:          172.30.xxx.xxx
SYSTNR:                02
SYSID:                 TS1
CLIENT:                203
USER:                  CPIC-DIS-BPC
LANGUAGE:              E
ISO_LANGUAGE:          EN
OWN_CODEPAGE:          1100
OWN_CHARSET:           ISO8859_1
OWN_ENCODING:          ISO-8859-1
OWN_BYTES_PER_CHAR:    1
PARTNER_CODEPAGE:      1100
PARTNER_CHARSET:       ISO8859_1
PARTNER_ENCODING:      ISO-8859-1
PARNER_BYTES_PER_CHAR: 1
OWN_REL:               640
PARTNER_REL:           620
PARTNER_TYPE:          3
KERNEL_REL:            640
TRACE:
RFC_ROLE:              C
OWN_TYPE:              E
CPIC_CONVID:           385948
So this means connection is working?
But when I call the RFC, it is returning me null value. When I call the following RFC, the functionTemplate instance is returning the "null" value. What can be the cause of it?This RFC exists in the SAP. I hope connection is working?
IFunctionTemplate functionTemplate = aRepository.getFunctionTemplate("Z_RFC_PLANTS");
thanks!

Adaptive RFC 2 gives error: com/sap/ide/jco/service/internal/R3Service

Hi,
I've run into the following problem about NWDS. This happens as I create a Model. It appears there is a new version of the Adaptive RFC Model, which is called Adaptive RFC 2 Model.
1. Right click on Models, and select Create.
2. Double Click on Adaptive RFC 2 Model
3. The error pops up. It says "An error has occurred. See error log for more details. java.lang.NoClassDefFoundError". Then if you click details you get "An error has occurred. See error log for more details. com/sap/ide/jco/service/internal/R3Service "
If you know which log to have a look, or what this error is about please let me know urgently. Any help if much appreciated.
Thanks,
Ogeday Isiklar

Hi,
I am also getting same problem. Waiting for solution
Regards,
Pradeep Kumar

Java.lang.NoClassDefFoundError:Couldnot initialize class com.sap.mw.jco.JCO

Hi,
I am having an issue with SAP adapter configuration. It throws below error in log files :
java.lang.ExceptionInInitializerError: JCO.classInitialize(): Could not load middleware layer 'com.sap.mw.jco.rfc.MiddlewareRFC'
JCO.nativeInit(): Could not initialize dynamic link library sapjcorfc [no sapjcorfc in java.library.path]. java.library.path [opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/lib/i386/client:/opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/lib/i386:/opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/../lib/i386:/opt/apps/Oracle/patch_wls1032/profiles/default/native:/opt/apps/Oracle/patch_jdev1111/profiles/default/native:/opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/lib/i386/client:/opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/lib/i386:/opt/apps/Oracle/jdk160_14_R27.6.5-32/jre/../lib/i386:/opt/apps/Oracle/patch_wls1032/profiles/default/native:/opt/apps/Oracle/patch_jdev1111/profiles/default/native:/opt/apps/Oracle/wlserver_10.3/server/native/linux/i686:/opt/apps/Oracle/wlserver_10.3/server/native/linux/i686/oci920_8:/opt/apps/Oracle/wlserver_10.3/server/native/linux/i686:/opt/apps/Oracle/wlserver_10.3/server/native/linux/i686/oci920_8:/opt/apps/Oracle/Oracle_SOA1/soa/thirdparty/edifecs/XEngine/bin:/opt/apps/Oracle/Oracle_SOA1/soa/thirdparty/edifecs/XEngine/bin]
java.lang.NoClassDefFoundError: Could not initialize class com.sap.mw.jco.JCO
Invoking SAP targets from bpel or iwafjca test servlet fails with "java.lang.NoClassDefFoundError: Could not initialize class com.sap.mw.jco.JCO."
I am able to connect from Application Explorer(AE) and browse through idocs and bapis. I tried to check the class loading pattern for AE using Jconsole :
1. Started the AE
2. /opt/apps/Oracle/jdk1.6.0_19/bin/jps
15279 BseFlashScreen
3. /opt/apps/Oracle/jdk1.6.0_19/bin/jconsole 15279
Enabled verbose output on class loading page and connected to SAP target from AE
4. The verbose output shows below :
Loaded com.sap.mw.jco.JCO from file:/opt/apps/Oracle/Oracle_SOA1/soa/thirdparty/ApplicationAdapters/lib/sapjco.jar
I have added the above path to my LD_LIBRARY_PATH
LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${WL_HOME}/server/native/linux/${arch}:${MW_HOME}/Oracle_SOA1/soa/thirdparty/ApplicationAdapters/lib:${MW_HOME}/user_projects/domains/base_domain/lib:${WL_HOME}/server/native/linux/${arch}/oci920_8
I also added the path to WEBLOGIC_CLASSPATH in commEnv.sh file.
The sapjco.jar, libsapjcorfc.so and librfccm.so files are also available under below directories
WL_HOME/server/lib
MW_HOME/Oracle_SOA1/soa/thirdparty/ApplicationAdapters/lib
MW_HOME/user_projects/domains/base_domain/lib
Any suggestions will be really helpful.
Regards
Subhankar

Hi Manoj,
I have added the libsapjcorfc.so and librfccm.so files to below locations:
WL_HOME/server/lib
MW_HOME/Oracle_SOA1/soa/thirdparty/ApplicationAdapters/lib
MW_HOME/user_projects/domains/base_domain/lib
And also set the LD_LIBRARY_PATH and WEBLOGIC_CLASSPATH in commEnv.sh file.
Eg:
LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${WL_HOME}/server/native/linux/${arch}:${MW_HOME}/Oracle_SOA1/soa/thirdparty/ApplicationAdapters/lib:${MW_HOME}/user_projects/domains/base_domain/lib:${WL_HOME}/server/native/linux/${arch}/oci920_8
Is there any other location where these need to be added ? I hope library path/system path refers to the WEBLOGIC_CLASSPATH ?
Regards
Subhankar

Jco 2.0.10 - HPUX - use_sapgui=2

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