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Thread: Need help in a java script

  1. #1
    Junior Member
    Join Date
    Mar 2022
    Thanked 0 Times in 0 Posts

    Default Need help in a java script

    I am a beginner in java scripting . Requirement is to create a ticket in dynamics 365.The data is available in a relational table and i am initially writing a java code where i can manually pass the values in the json input and create a ticket.
    After i pass the api and the client id ,client secret and tenant id it would generate a token and based on input of the body will create a ticket (not sure if my code is working on this functionality).
    import com.microsoft.aad.adal4j.AuthenticationContext;
    import com.microsoft.aad.adal4j.AuthenticationResult;
    import com.microsoft.aad.adal4j.ClientCredential;
    import okhttp3.*;
    import okhttp3.Response;
    import okhttp3.Call;
    import java.io.IOException;
    import java.net.MalformedURLException;
    import java.util.concurrent.ExecutionException;
    import java.util.concurrent.ExecutorService;
    import java.util.concurrent.Executors;
    import java.lang.String;
    import java.util.concurrent.Future;
    public class javacodedynamics365 {
        public static void main(String[] args) {
            String authority = "https://login.microsoftonline.com/";
            String resource = "https://lenovo-nitro-uat.crm.dynamics.com";
            String clientId = "";
            String clientSecret = "";
            String tenantID = "";
            ExecutorService service = Executors.newFixedThreadPool(1);
            AuthenticationResult result;
            try {
                AuthenticationContext context = new AuthenticationContext(authority + tenantID, true, service);
                Future<AuthenticationResult> future = context.acquireToken(resource, new ClientCredential(clientId, clientSecret), null);
                result = future.get();
                String accessToken = result.getAccessToken();
            catch (MalformedURLException e) { }
            catch (InterruptedException e) { }
            catch (ExecutionException e) { }
        // TODO: 5
        // Retrieving customized responses on POST method:
        public static void createWithDataReturned(String accessToken) {
            try {
                OkHttpClient client = new OkHttpClient();
                MediaType mediaType = MediaType.parse("application/json; charset=utf-8");
                RequestBody body = RequestBody.create(mediaType, "{" +
                       "\"Account_Alias_Request\": \"Knot Technology Solutions LLC\"" +
                        "\"Partner_MDM_ID\": \"PA000000900211\"" +
                Request request = new Request.Builder()
                        .addHeader("OData-MaxVersion", "4.0")
                        .addHeader("OData-Version", "4.0")
                        .addHeader("Accept", "application/json")
                        .addHeader("Content-Type", "application/json; charset=utf-8")
                        .addHeader("Prefer", "odata.include-annotations=\"*\"")
                        .addHeader("Authorization", "Bearer " + accessToken)
                        .addHeader("cache-control", "no-cache")
                       // .addHeader("Postman-Token", "a3ca1261-85fe-4b57-84e0-034e0d582d46")
    Response response = client.newCall(request).execute();
    String dataReturnedFromCreate = response.body().string();
           catch (Exception e) { }

    the above code is returning the token. But gives the error on
    Request{method=POST, url=https://lenovo-nitro-uat.crm.dynamics.com/api/data/v9.1/lvo_DSRAccountReview, tags={}}
    {"error":{"code":"0x0","message":"An error occurred while validating input parameters: System.ArgumentException: Stream was not readable.\r\n at System.IO.StreamReader..ctor(Stream stream, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize, Boolean leaveOpen)\r\n at System.IO.StreamReader..ctor(Stream stream, Encoding encoding)\r\n at Microsoft.OData.JsonLight.ODataJsonLightInputConte xt.CreateTextReader(Stream messageStream, Encoding encoding)\r\n at Microsoft.OData.JsonLight.ODataJsonLightInputConte xt..ctor(ODataMessageInfo messageInfo, ODataMessageReaderSettings messageReaderSettings)\r\n at Microsoft.OData.Json.ODataJsonFormat.CreateInputCo ntext(ODataMessageInfo messageInfo, ODataMessageReaderSettings messageReaderSettings)\r\n at Microsoft.OData.ODataMessageReader.ReadFromInput[T](Func`2 readFunc, ODataPayloadKind[] payloadKinds)\r\n at Microsoft.Crm.Extensibility.ODataV4.CrmODataAction PayloadDeserializer.Read(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext)\r\n at System.Web.OData.Formatter.ODataMediaTypeFormatter .ReadFromStream(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger)"}}

    updated the below details in pom.xml file:
    <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->

  2. #2
    Super Moderator Norm's Avatar
    Join Date
    May 2010
    Eastern Florida
    Thanked 2,708 Times in 2,658 Posts

    Default Re: Need help in a java script

    Do you have any java coding questions?
    This problem appears to be with using some framework. Is there a forum for questions on how to use it?

    One problem I see in the code is the empty catch blocks. You should always call the printStackTrace method to show details on any exception.
    If you don't understand my answer, don't ignore it, ask a question.

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