IMPORT/EXPORT in RFC

Hello,
I am programming an RFC that sends a XSTRING a Java web portal, and in this case I have to send a PDF XSTRING generated on the SAP server.
Therefore I am calling the program that generates the PDF and the return string of bits through the RFC IMPORT / EXPORT, and the problem I have that I do not get the RFC, but the program is making the process well.
As I do?
I've checked several forums on SDN and I have not seen anything that I have fixed the problem.
Greetings.

Hi
Have you tried with a debug??
the destination is correct??
regards
Marco

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[code]ConnectionFailed Exception : com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: SAP_CMINIT3 : rc=20 > Connect to SAP gateway failed
Connect_PM GWHOST=test833, GWSERV=sapgw00, ASHOST=test833, SYSNR=00
LOCATION    CPIC (TCP/IP) on local host
ERROR       partner not reached (host 10.3.82.177, service 3300)
TIME        Fri Jun 29 08:54:18 2007
RELEASE     640
COMPONENT   NI (network interface)
VERSION     37
RC          -10
MODULE      nixxi_r.cpp
LINE        8715
DETAIL      NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO       10061
ERRNO TEXT WSAECONNREFUSED: Connection refused
COUN
     at com.sap.ide.jcb.core.service.connection.internal.ConnectionManager.connect(ConnectionManager.java:220)
     at com.sap.ide.jcb.core.service.connection.internal.ConnectionManager.connectToSingleServer(ConnectionManager.java:206)
     at com.sap.ide.jcb.core.wizardpages.SAPLogonPage.internalConnectToServer(SAPLogonPage.java:1769)
     at com.sap.ide.jcb.core.wizardpages.SAPLogonPage.access$2300(SAPLogonPage.java:46)
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     at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1729)
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     at com.sap.ide.webdynpro.service.modeleditor.ModelService.reImportModel(ModelService.java:207)
     at com.sap.ide.webdynpro.service.modeleditor.ServiceWithUI.reImportModel(ServiceWithUI.java:120)
     at com.sap.ide.webdynpro.tsmodel.application.actions.ReimportModelAction.run(ReimportModelAction.java:11)
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     at com.tssap.util.ui.menu.MenuFactory$MuSiAction.run(MenuFactory.java:1407)
     at com.tssap.util.ui.menu.MenuFactory$DelegateAction.processInternal(MenuFactory.java:616)
     at com.tssap.util.ui.menu.MenuFactory$DelegateAction.access$100(MenuFactory.java:586)
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     at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:81)
     at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:840)
     at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2022)
     at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1729)
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     at com.tssap.util.startup.WBLauncher.run(WBLauncher.java:79)
     at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:858)
     at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at com.sap.ide.eclipse.startup.Main.basicRun(Main.java:291)
     at com.sap.ide.eclipse.startup.Main.run(Main.java:789)
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Caused by: com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: SAP_CMINIT3 : rc=20 > Connect to SAP gateway failed
Connect_PM GWHOST=test833, GWSERV=sapgw00, ASHOST=test833, SYSNR=00
LOCATION    CPIC (TCP/IP) on local host
ERROR       partner not reached (host 10.3.82.177, service 3300)
TIME        Fri Jun 29 08:54:18 2007
RELEASE     640
COMPONENT   NI (network interface)
VERSION     37
RC          -10
MODULE      nixxi_r.cpp
LINE        8715
DETAIL      NiPConnect2
SYSTEM CALL SiPeekPendConn
ERRNO       10061
ERRNO TEXT WSAECONNREFUSED: Connection refused
COUN
     at com.sap.mw.jco.rfc.MiddlewareRFC$Client.nativeConnect(Native Method)
     at com.sap.mw.jco.rfc.MiddlewareRFC$Client.connect(MiddlewareRFC.java:1125)
     at com.sap.mw.jco.JCO$Client.connect(JCO.java:3138)
     at com.sap.ide.jcb.core.service.connection.internal.ConnectionManager.connect(ConnectionManager.java:216)[/code]
Can someone tell me problem..
Thanks in advance,
Vineeth

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<b>sapgw<Inst.No>       33<Inst.No>/tcp
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