RFC接口調(diào)用SAP如果有異常會(huì)通過(guò)com.sap.mw.jco.JCO$Exception: 拋出異常
在開(kāi)發(fā)中遇到的異常有如下

用戶(hù)名密碼可能是錯(cuò)誤或者用戶(hù)無(wú)權(quán)限,確認(rèn)用戶(hù),必要時(shí)聯(lián)系SAP負(fù)責(zé)人,檢查用戶(hù)
(103) RFC_ERROR_LOGON_FAILURE: ##.#####,####
(103) RFC_ERROR_LOGON_FAILURE: Name or password is incorrect (repeat logon)

call信息沒(méi)有填寫(xiě)完整,檢查配置文件各個(gè)SAP配置信息是否完整
(101) RFC_ERROR_PROGRAM: Missing R3NAME=... or ASHOST=... in connect_param in RfcOpenEx

ip地址失敗：
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed

組權(quán)限訪(fǎng)問(wèn) server文件沒(méi)更新.
(102) RFC_ERROR_COMMUNICATION:Connect to message server failed

C:\WINNT\system32\drivers\etc

端口號(hào)錯(cuò)誤報(bào)錯(cuò)信息：
(103) RFC_ERROR_LOGON_FAILURE: ## 502 ########

超時(shí):
(103) RFC_ERROR_LOGON_FAILURE: Timeout

執(zhí)行函數(shù),函數(shù)的問(wèn)題
(104) RFC_ERROR_SYSTEM_FAILURE: Error in module RSQL of the database interface.執(zhí)行函數(shù)

(104) RFC_ERROR_SYSTEM_FAILURE: An error occurred when receiving a complex parameter.

(106) JCO_ERROR_RESOURCE: Trying to access row values in a table which does not have any rows yet

返回的表沒(méi)有值.那個(gè)表連第一行都沒(méi)有,取不到
(106) JCO_ERROR_RESOURCE: Trying to access row values in a table which does not have any rows yet

語(yǔ)法錯(cuò)誤
(104) RFC_ERROR_SYSTEM_FAILURE: Syntax error in program SAPMV50A

找不到行
(106) JCO_ERROR_RESOURCE: Trying to access row values in a table which does not ha:ve any rows yet

輸入?yún)?shù)不能插入SAP函數(shù)輸入字段中.
(122) JCO_ERROR_CONVERSION: Integer '4234243' has to many digits at field PO_ITEM

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