mvn install:install-file -Dfile=C:\ebay\ebaysdkjava1055\lib\ebaycalls.jar -DgroupId=com.ebay -DartifactId=ebaycalls -Dpackaging=jar -DgeneratePom=true -Dversion=1.7.0

mvn install:install-file -Dfile=C:\ebay\ebaysdkjava1055\lib\ebaysdkcore.jar -DgroupId=com.ebay -DartifactId=ebaysdkcore -Dpackaging=jar -DgeneratePom=true -Dversion=1.7.0

mvn install:install-file -Dfile=C:\ebay\ebaysdkjava1055\lib\helper.jar -DgroupId=com.ebay -DartifactId=helper -Dpackaging=jar -DgeneratePom=true -Dversion=1.7.0、

import com.ebay.sdk.ApiAccount;

import com.ebay.sdk.ApiContext;

import com.ebay.sdk.call.FetchTokenCall;

import com.ebay.sdk.helper.ConsoleUtil;

import java.io.IOException;

public class EbayGetSessionIdController {

    public static void main(String[] args) {

        try {

            // Instantiate  ApiContext and initialize with token and Trading API URL

            ApiContext apiContext = getApiContext();

            obtainSessionID(apiContext);

            obtainUserToken(apiContext);

        }  //try

        catch(Exception e) {

            System.out.println("Fail to get sessionID.");

            e.printStackTrace();

        }

    }

    private static void obtainUserToken(ApiContext apiContext) throws Exception {

        FetchTokenCall fetchTokenCall = new FetchTokenCall(apiContext);

        fetchTokenCall.setSessionID("#{sessionId}");

        String token = fetchTokenCall.fetchToken();

        System.out.println("token :"+token);

    }

    private static void obtainSessionID(ApiContext apiContext) throws Exception {

        //Create call object and execute the call

        GetSessionIDCall apiCall = new GetSessionIDCall(apiContext);

        apiCall.setRuName("#{ru_name}");

        String sessionID = apiCall.getSessionID();

        //Handle the result returned

        System.out.println("sessionID : " + sessionID);

        String url = "https://signin.ebay.com/ws/eBayISAPI.dll?SignIn&runame=#{ru_name}&SessID=" + sessionID;

        System.out.println("url: "+url);

        openBrowser(url);

    }

    public static boolean openBrowser(String url) {

        if (url == null) return false;

        String[] unixBrowser = new String[] { "google-chrome", "firefox" };

        boolean success = false;

        if (System.getProperty("os.name").toLowerCase().startsWith("win")) {

            try {

                Runtime.getRuntime().exec(

                        new String[] { "rundll32.exe", "url.dll,FileProtocolHandler", url });

                success = true;

            } catch (Exception e) {

            }

        } else {

            for (int i = 0; i < unixBrowser.length; ++i)

                try {

                    Runtime.getRuntime().exec(new String[] { unixBrowser[0], url });

                    success = true;

                    break;

                } catch (Exception e) {

                }

        }

        return success;

    }

    // Initializes ApiContext with token and eBay API server URL

    private static ApiContext getApiContext() throws IOException {

        String input;

        ApiContext apiContext = new ApiContext();

        //set Api Server Url

        input = ConsoleUtil.readString("Enter eBay SOAP server URL (e.g., https://api.ebay.com/wsapi): ");

        apiContext.setApiServerUrl(input);

        ApiAccount apiAccount = new ApiAccount();

        String appId = "your app id";

        String devId = "your deveoper id";

        String certId = "your Cert ID ";

        apiAccount.setApplication(appId);

        apiAccount.setDeveloper(devId);

        apiAccount.setCertificate(certId);

        apiContext.getApiCredential().setApiAccount(apiAccount);

        return apiContext;

    } //getApiContext

}

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

 <soapenv:Header/>

 <soapenv:Body>

  <FetchTokenResponse xmlns="urn:ebay:apis:eBLBaseComponents">

   <Timestamp>2018-05-30T08:26:55.783Z</Timestamp>

   <Ack>Success</Ack>

   <Version>1059</Version>

   <Build>E1059_CORE_APISIGNIN_18690974_R1</Build>

   <eBayAuthToken>xxxxxx</eBayAuthToken>

   <HardExpirationTime>2019-11-21T08:25:46.000Z</HardExpirationTime>

  </FetchTokenResponse>

 </soapenv:Body>

</soapenv:Envelope>