salesforce - mule db2 sfdc account data loading -

my java code is:

public class db2sfdc {           public map<string, object> getpayloaddata(@payload string src){              hashmap<string, object> sfdcfields = new hashmap<string, object>();         map<string, object> payloadmap = new hashmap<string, object>();         list<map<string, object>> objects = new arraylist<map<string,object>>();         sfdcfields.put("client_alert_description__c", "mule interation");         sfdcfields.put("client_status_reason__c","poc update");         sfdcfields.put("credit_terms__c", "poc terms");         objects.add(sfdcfields);         payloadmap.put("type", "account");         payloadmap.put("objects", objects);         return payloadmap ;     } 

mule flows:

<flow name="db2accountflow1" doc:name="db2accountflow1">     <http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8081" path="db2account" doc:name="http"/>     <invoke name="sfdcmap" object-ref="db2sfdc" method="getpayloaddata" methodarguments="#[message.payload]" methodargumenttypes="java.lang.string" doc:name="invoke"/>     <sfdc:upsert config-ref="salesforce__basic_authentication" externalidfieldname="client status" type="account" doc:name="salesforce">         <sfdc:objects ref="#[payload.objects]"/>     </sfdc:upsert>         </flow> 

error message @ browser:

 failed invoke upsert. message payload of type: hashmap 

console error:

error 2015-05-11 18:58:38,090 [[sfdc].connector.http.mule.default.receiver.04] org.mule.retry.notifiers.connectnotifier: failed connect/reconnect: work descriptor. root exception was: null. type: class com.sforce.soap.partner.fault.invalidfieldfault error 2015-05-11 18:58:38,094 [[sfdc].connector.http.mule.default.receiver.04] org.mule.exception.defaultmessagingexceptionstrategy:  ******************************************************************************** message               : failed invoke upsert. message payload of type: hashmap code                  : mule_error--2 -------------------------------------------------------------------------------- exception stack is: 1. null (com.sforce.soap.partner.fault.invalidfieldfault)   sun.reflect.nativeconstructoraccessorimpl:-2 (null) 2. [invalidfieldfault [apiqueryfault [apifault  exceptioncode='invalid_field'  exceptionmessage='no such column 'client_alert_description__c' on entity 'account'. if attempting use custom field, sure append '__c' after custom field name. please reference wsdl or describe call appropriate names.' ]  row='-1'  column='-1' ] ]  (java.lang.runtimeexception)   org.mule.modules.salesforce.api.salesforceexceptionhandleradapter:69 (null) 3. failed invoke upsert. message payload of type: hashmap (org.mule.api.messagingexception)   org.mule.devkit.processor.devkitbasedmessageprocessor:128 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/messagingexception.html) -------------------------------------------------------------------------------- root exception stack trace: [invalidfieldfault [apiqueryfault [apifault  exceptioncode='invalid_field'  exceptionmessage='no such column 'client_alert_description__c' on entity 'account'. if attempting use custom field, sure append '__c' after custom field name. please reference wsdl or describe call appropriate names.' ]  row='-1'  column='-1' ] ]      @ sun.reflect.nativeconstructoraccessorimpl.newinstance0(native method)     @ sun.reflect.nativeconstructoraccessorimpl.newinstance(nativeconstructoraccessorimpl.java:57)     @ sun.reflect.delegatingconstructoraccessorimpl.newinstance(delegatingconstructoraccessorimpl.java:45)     + 3 more (set debug level logging or '-dmule.verbose.exceptions=true' everything) ******************************************************************************** 

as given in error message, didnot included complete fields in list mandatory create/update account in sfdc. final code is:

public list<map<string, object>> getpayloaddata(@payload string src){         map<string, object> sfdcfields = new hashmap<string, object>();         list<map<string, object>> accountlist = new arraylist<map<string,object>>();             sfdcfields.put("id", "001m000000in0p5aab");         sfdcfields.put("current_wse_count__c", "20");         accountlist.add(sfdcfields);         return accountlist ; } 

mule flows update:

 <sfdc:update config-ref="salesforce__basic_authentication"  type="account" doc:name="salesforce">             <sfdc:objects ref="#[payload]"/>  </sfdc:update>