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I have defined logical sytem by Tcode:SALE
LOGICALÂ SYSTEM:JAVAIDOC
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I have defined  'Assign Logical system to client' by Tcode:SALE.Â
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 I have defined RFC Destination by using Tcode:sm59.
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program ID:jcoserver
sap gateway host:
sap gateway service:sapgw96.
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After testing the connection Iam getting the error.
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ERROR: program JCOSERVER not registered
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After running the java program Iam getting the following Error.
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com.sap.conn.jco.JCoException: (102) RFC_ERROR_COMMUNICATION: Unable to get repository
       at com.sap.conn.jco.rt.DefaultServer.update(DefaultServer.java:136)
       at com.sap.conn.jco.rt.DefaultServer.<init>(DefaultServer.java:105)
       at com.sap.conn.idoc.jco.DefaultJCoIDocServer.<init>(DefaultJCoIDocServer.java:35)
       at com.sap.conn.idoc.jco.DefaultJCoIDocServerFactory.createServer(DefaultJCoIDocServerFactory.java:17)
       at com.sap.conn.idoc.jco.DefaultJCoIDocServerFactory.createServer(DefaultJCoIDocServerFactory.java:13)
       at com.sap.conn.jco.rt.DefaultServerManager.getServer(DefaultServerManager.java:108)
       at com.sap.conn.jco.rt.StandaloneServerFactory.getServerInstance(StandaloneServerFactory.java:170)
       at com.sap.conn.idoc.jco.JCoIDoc.getServer(JCoIDoc.java:78)
       at com.realvalue.server.IDocServer.main(IDocServer.java:48)
Caused by: com.sap.conn.jco.JCoException: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed
Connection parameters: TYPE=A DEST=BCE ASHOST=5.80.16.19 SYSNR=10 PCS=1
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LOCATIONÂ Â Â CPIC (TCP/IP) on local host with Unicode
ERRORÂ Â Â Â Â Â partner '5.80.16.19:3310' not reached
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TIMEÂ Â Â Â Â Â Â Wed Jul 20 15:45:20 2011
RELEASEÂ Â Â Â 711
COMPONENTÂ Â NI (network interface)
VERSIONÂ Â Â Â 39
RCÂ Â Â Â Â Â Â Â Â -10
MODULEÂ Â Â Â Â nixxi.cpp
LINEÂ Â Â Â Â Â Â 3147
DETAILÂ Â Â Â Â NiPConnect2: 5.80.16.19:3310
SYSTEM CALL connect
ERRNOÂ Â Â Â Â Â 10061
ERRNO TEXTÂ WSAECONNREFUSED: Connection refused
COUNTERÂ Â Â Â 2
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       at com.sap.conn.jco.rt.MiddlewareJavaRfc.generateJCoException(MiddlewareJavaRfc.java:615)
       at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.connect(MiddlewareJavaRfc.java:1280)
       at com.sap.conn.jco.rt.ClientConnection.connect(ClientConnection.java:661)
       at com.sap.conn.jco.rt.PoolingFactory.init(PoolingFactory.java:103)
       at com.sap.conn.jco.rt.ConnectionManager.createFactory(ConnectionManager.java:171)
       at com.sap.conn.jco.rt.DefaultConnectionManager.createFactory(DefaultConnectionManager.java:44)
       at com.sap.conn.jco.rt.ConnectionManager.getFactory(ConnectionManager.java:160)
       at com.sap.conn.jco.rt.RfcDestination.initialize(RfcDestination.java:789)
       at com.sap.conn.jco.rt.RfcDestination.getSystemID(RfcDestination.java:817)
       at com.sap.conn.jco.rt.RepositoryManager.getRepository(RepositoryManager.java:32)
       at com.sap.conn.jco.rt.RfcDestination.getRepository(RfcDestination.java:891)
       at com.sap.conn.jco.rt.DefaultServer.update(DefaultServer.java:132)
       ... 8 more
Caused by:
RfcException: [null]
   message: Connect to SAP gateway failed
Connection parameters: TYPE=A DEST=BCE ASHOST=5.80.16.19 SYSNR=10 PCS=1
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LOCATIONÂ Â Â CPIC (TCP/IP) on local host with Unicode
ERRORÂ Â Â Â Â Â partner '5.80.16.19:3310' not reached
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TIMEÂ Â Â Â Â Â Â Wed Jul 20 15:45:20 2011
RELEASEÂ Â Â Â 711
COMPONENTÂ Â NI (network interface)
VERSIONÂ Â Â Â 39
RCÂ Â Â Â Â Â Â Â Â -10
MODULEÂ Â Â Â Â nixxi.cpp
LINEÂ Â Â Â Â Â Â 3147
DETAILÂ Â Â Â Â NiPConnect2: 5.80.16.19:3310
SYSTEM CALL connect
ERRNOÂ Â Â Â Â Â 10061
ERRNO TEXTÂ WSAECONNREFUSED: Connection refused
COUNTERÂ Â Â Â 2
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   Return code: RFC_FAILURE(1)
   error group: 102
   key: RFC_ERROR_COMMUNICATION
       at com.sap.conn.rfc.engine.RfcIoControl.error_end(RfcIoControl.java:255)
       at com.sap.conn.rfc.engine.RfcIoControl.ab_rfcopen(RfcIoControl.java:94)
       at com.sap.conn.rfc.api.RfcApi.RfcOpen(RfcApi.java:83)
       at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.connect(MiddlewareJavaRfc.java:1273)
       ... 18 more
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PLEASE HELP ME TO SOLVE THIS ISSUE.
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Thanks&Regards,
Sridevi.