This is the soap going from the jboss portal towards sharepoint: (of course the unusefull information stripped out here). beware: i put spaces between the ampersand sign and 'amp' and 'quot' etc. This soap looks exact like the one which i intercept (no fiddling by this bb forum) | <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"> | <env:Header/> | <env:Body> | <ns1:getMarkupResponse xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> | <ns1:markupContext> | <ns1:useCachedMarkup xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">false</ns1:useCachedMarkup> | <ns1:mimeType xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">text/html</ns1:mimeType> | <ns1:markupString xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">& lt;!DOCTYPE div PUBLIC & quot;-//W3C//DTD XHTML 1.0 Strict//EN& quot; & quot;http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd& quot;& gt;& lt;div xmlns=& quot;http://www.w3.org/1999/xhtml& quot; class=& quot;bi& quot;& gt;.................CUT............. | & lt;form enctype=& quot;multipart/form-data& quot; id=& quot;cmfform& quot; method=& quot;POST& quot; action=& quot;wsrp_rewrite?wsrp-urlType=blockingAction& amp;wsrp-interactionState=JBPNS_rO0ABXc_AAliaS1hY3Rpb24AAAABACVwb3J0bGV0L0NsaWVudGRvc3NpZXIvQWFubWFrZW5kb3NzaWVyAAdfX0VPRl9f& amp;wsrp-navigationalState=JBPNS_rO0ABXdPAA5iaS1yZWRpcmVjdC10bwAAAAEAMC9wb3J0bGV0L0NsaWVudGRvc3NpZXIvQWFubWFrZW5kb3NzaWVyP2luaXQ9dHJ1ZQAHX19FT0ZfXw**& amp;/wsrp_rewrite& quot;& gt;& lt;div& gt;& lt;input value=& quot;& quot; name=& quot;focusfield& quot; id=& quot;f...................CUT......................</ns1:markupString> | <ns1:locale xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">en-us</ns1:locale> | <ns1:requiresUrlRewriting xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">true</ns1:requiresUrlRewriting> | <ns1:preferredTitle xmlns:ns1="urn:oasis:names:tc:wsrp:v1:types">xx Web Appplication Portlet</ns1:preferredTitle> | </ns1:markupContext> | </ns1:getMarkupResponse> | </env:Body> | </env:Envelope> | When the user fills in data in sharepoint and post it back towards jboss portal, the soap looks like: | <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> | <soap:Body> | <performBlockingInteraction xmlns="urn:oasis:names:tc:wsrp:v1:types"> | <registrationContext> | <registrationHandle>10</registrationHandle> | </registrationContext> | <portletContext> | <portletHandle>/xxx.yy</portletHandle> | </portletContext> | <runtimeContext> | <userAuthentication>wsrp:password</userAuthentication> | <templates> | <defaultTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</defaultTemplate> | <blockingActionTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</blockingActionTemplate> | <renderTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</renderTemplate> | <resourceTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</resourceTemplate> | <secureDefaultTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</secureDefaultTemplate> | <secureBlockingActionTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</secureBlockingActionTemplate> | <secureRenderTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</secureRenderTemplate> | <secureResourceTemplate>wsrp_rewrite?wsrp-urlType={wsrp-urlType}& amp;wsrp-url={wsrp-url}& amp;wsrp-requiresRewrite={wsrp-requiresRewrite}& amp;wsrp-navigationalState={wsrp-navigationalState}& amp;wsrp-interactionState={wsrp-interactionState}& amp;wsrp-mode={wsrp-mode}& amp;wsrp-windowState={wsrp-windowState}& amp;wsrp-fragmentID={wsrp-fragmentID}& amp;wsrp-secureURL={wsrp-secureURL}/wsrp_rewrite</secureResourceTemplate> | </templates> | </runtimeContext> | <userContext> | <userContextKey>xx\Administrator</userContextKey> | </userContext> | <markupParams> | <secureClientCommunication>false</secureClientCommunication> | <locales>en-us</locales> | <mimeTypes>text/html</mimeTypes> | <mimeTypes>text/xml</mimeTypes> | <mode>wsrp:view</mode> | <windowState>wsrp:normal</windowState> | <navigationalState>JBPNS_rO0ABXdPAA5iaS1yZWRpcmVjdC10bwAAAAEAMC9wb3J0bGV0L0NsaWVudGRvc3NpZXIvQWFubWFrZW5kb3NzaWVyP2luaXQ9dHJ1ZQAHX19FT0ZfXw**</navigationalState> | </markupParams> | <interactionParams> | <portletStateChange>cloneBeforeWrite</portletStateChange> | <interactionState>JBPNS_rO0ABXc_AAliaS1hY3Rpb24AAAABACVwb3J0bGV0L0NsaWVudGRvc3NpZXIvQWFubWFrZW5kb3NzaWVyAAdfX0VPRl9f& amp;[2]=JBPNS_rO0ABXdPAA5iaS1yZWRpcmVjdC10bwAAAAEAMC9wb3J0bGV0L0NsaWVudGRvc3NpZXIvQWFubWFrZW5kb3NzaWVyP2luaXQ9dHJ1ZQAHX19FT0ZfXw**</interactionState> | <formParameters name="focusfield"> | <value/> | </formParameters> | </interactionParams> | </performBlockingInteraction> | </soap:Body> | </soap:Envelope> | then there is an error: 2009-02-11 15:56:27,268 ERROR [STDERR] Bad Base64 input character at 92: 38(decimal) 2009-02-11 15:56:31,873 DEBUG [org.jbpm.svc.Services] closing service 'tx': org.jbpm.tx.TxService@19e1e9 2009-02-11 15:56:33,253 DEBUG [org.jboss.ws.core.jaxrpc.handler.MessageContextJAXRPC] Begin response processing 2009-02-11 15:56:33,253 ERROR [org.jboss.ws.core.jaxrpc.SOAPFaultHelperJAXRPC] SOAP request exception 2009-02-11 15:56:33,253 ERROR [org.jboss.ws.core.jaxrpc.SOAPFaultHelperJAXRPC] SOAP request exception javax.xml.rpc.soap.SOAPFaultException: Could not perform action on portlet '/xx.yyPortlet'. javax.servlet.ServletException at org.jboss.portal.wsrp.WSRPExceptionFactory.createSOAPFaultException(WSRPExceptionFactory.java:126) at org.jboss.portal.wsrp.WSRPExceptionFactory.throwSOAPFaultException(WSRPExceptionFactory.java:88) at org.jboss.portal.wsrp.producer.MarkupHandler.performBlockingInteraction(MarkupHandler.java:136) at org.jboss.portal.wsrp.producer.WSRPProducerImpl.performBlockingInteraction(WSRPProducerImpl.java:189) Have a look at that strange interactionState string... [2]....that's not valid base64, is that why the error is there? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4209097#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...