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CAP deploy error: class java.lang.Integer cannot be cast to class java.lang.Stri...

 2 years ago
source link: https://answers.sap.com/questions/13762992/cap-deploy-error-class-javalanginteger-cannot-be-c.html
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2 days ago

CAP deploy error: class java.lang.Integer cannot be cast to class java.lang.String

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Hi community,

I'm developing a CAP application in SAP Business Application Studio. When I try to deploy the mtar to cloud foundry, the following error occurrs.

Error building cloud application deploy model: class java.lang.Integer cannot be cast to class java.lang.String<br>
image.png

The image below is my project structure.

image.png

As you can see, I made the data model and service definition as simple as possible.

db/data-model.cds

namespace poc;
entity BusinessPartnerBasicData {
  key ID                  : UUID;
}<br>

srv/appl-service.cds

using poc as db from '../db/data-model';

Service ApplicationDataService {
    entity BusinessPartnerBasicData as projection on db.BusinessPartnerBasicData;
}

package.json 

{
  "name": "poc-bp",
  "version": "1.0.0",
  "description": "A simple CAP project.",
  "repository": "<Add your repository here>",
  "license": "UNLICENSED",
  "private": true,
  "dependencies": {
    "@sap/cds": "^6",
    "express": "^4",
    "hdb": "^0.19.0"
  },
  "devDependencies": {
    "sqlite3": "^5.0.4"
  },
  "scripts": {
    "start": "cds run",
    "deploy": "cf deploy mta_archives/poc-bp_1.0.0.mtar"
  },
  "engines": {
    "node": "^16.15"
  },
  "eslintConfig": {
    "extends": "eslint:recommended",
    "env": {
      "es2020": true,
      "node": true,
      "jest": true,
      "mocha": true
    },
    "globals": {
      "SELECT": true,
      "INSERT": true,
      "UPDATE": true,
      "DELETE": true,
      "CREATE": true,
      "DROP": true,
      "CDL": true,
      "CQL": true,
      "CXL": true,
      "cds": true
    },
    "rules": {
      "no-console": "off",
      "require-atomic-updates": "off"
    }
  },
  "cds": {
    "requires": {
      "[production]": {
        "db": {
          "kind": "hana-cloud"
        }
      },
      "db": {
        "kind": "sql"
      }
    }
  }
}

@sap/cds version: 6.3.2
If I create a project from scratch and add data model via 'cds add samples', deployment works fine. So I guess this is caused by my data model. If someone has experienced the same issue, kindly let me know how you handled this.Thanks,Mio


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