I am new to Nodejs. I am developing WebAPI by using NodeJs and MSSQl as database.My api is giving proper response in case of POST endpoint If it is called while server is listening through Dev environment command [npm run start]. But, If I Deploy my API on Windows IIS , it is giving the mentioned error. My reference API endpoint code is as below :
router.post('/',async (req,res,next)=>{
// console.log('Enter products creation')
const Product = Array.from(req.body) // req.body
// console.log('New Product details passed on',Product)
const createProd = require('../CreateProduct')
const response = await createProd(Product)
res.status(404).json({
message : response.retStatus
})
})
CreateProduct function called in above code is as below :
const sql = require("mssql/msnodesqlv8");
const dataAccess = require("../DataAccess");
const fn_CreateProd = async function (product) {
let errmsg = "";
let objBlankTableStru = {};
let connPool = null;
// console.log('Going to connect with Connstr:',global.config)
await sql
.connect(global.config)
.then((pool) => {
global.connPool = pool;
productsStru = pool.request().query("DECLARE @tblProds tvp_products select * from @tblProds");
return productsStru;
})
.then(productsStru=>{
objBlankTableStru.products = productsStru
productsOhStru = global.connPool.request().query("DECLARE @tblprodsOh tvp_product_oh select * from @tblprodsOh");
return productsOhStru
})
.then((productsOhStru) => {
objBlankTableStru.products_oh = productsOhStru
let objTvpArr = [
{
uploadTableStru: objBlankTableStru,
},
{
tableName : "products",
tvpName: "tvp_products",
tvpPara: "tblProds"
},
{
tableName : "products_oh",
tvpName: "tvp_product_oh",
tvpPara: "tblProdsOh",
}
];
newResult = dataAccess.getPostResult(
objTvpArr,
"sp3s_ins_products_tvp",
product
);
console.log("New Result of Execute Final procedure", newResult);
return newResult;
})
.then((result) => {
// console.log("Result of proc", result);
if (!result.recordset[0].errmsg)
errmsg = "New Products Inserted successfully";
else errmsg = result.recordset[0].errmsg;
})
.catch((err) => {
console.log("Enter catch of Posting prod", err.message);
errmsg = err.message;
if (errmsg == "") {
errmsg = "Unknown error from Server... ";
}
})
.finally((resp) => {
sql.close();
});
return { retStatus: errmsg };
};
module.exports = fn_CreateProd;
GetPost() function is as below :
const getPostResult = (
tvpNamesArr,
procName,
sourceData,
sourceDataFormat,
singleTableData
) => {
let arrtvpNamesPara = [];
let prdTable = null;
let newSrcData = [];
// console.log("Source Data :", sourceData);
let uploadTable = tvpNamesArr[0];
for (i = 1; i <= tvpNamesArr.length - 1; i++) {
let tvpName = tvpNamesArr[i].tvpName;
let tvpNamePara = tvpNamesArr[i].tvpPara;
let TableName = tvpNamesArr[i].tableName;
let srcTable = uploadTable.uploadTableStru[TableName];
srcTable = srcTable.recordset.toTable(tvpName);
let newsrcTable = Array.from(srcTable.columns);
newsrcTable = newsrcTable.map((i) => {
i.name = i.name.toUpperCase();
return i;
});
if (!singleTableData) {
switch (sourceDataFormat) {
case 1:
newSrcData = sourceData.filter((obj) => {
return obj.tablename.toUpperCase() === TableName.toUpperCase();
});
break;
case 2:
newSrcData = getObjectDatabyKey(sourceData, TableName);
break;
default:
newSrcData = getTableDatabyKey(sourceData, TableName);
break;
}
} else {
newSrcData = sourceData;
}
// console.log(`Filtered Source data for Table:${TableName}`, newSrcData);
prdTable = generateTable(
newsrcTable,
newSrcData,
tvpName,
sourceDataFormat
);
arrtvpNamesPara.push({ name: tvpNamePara, value: prdTable });
}
const newResult = execute(procName, arrtvpNamesPara);
return newResult;
};