Connection reset while connecting with sharepoint online from java graph API

Copper Contributor

 

when trying to connect to sharepoint using graph api, via HttpsUrlConnection as below:

TrustManager[] dummyTrustManager = new TrustManager[] { new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}

 

  1. public void checkClientTrusted(X509Certificate[] certs, String authType) {
  2. }
  3. public void checkServerTrusted(X509Certificate[] certs, String authType) {
  4. }
  5. } };

     

     

     

    SSLContext sc = SSLContext.getInstance("TLSv1.2");
    sc.init(null, dummyTrustManager, new java.security.SecureRandom());

     

    1. String token = helper.getToken(); //get oauth2 token
       

       

      URL url = new URL(newUrl); //input url
      HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
      urlConnection.setSSLSocketFactory(sc.getSocketFactory());
      urlConnection.setRequestMethod("GET");
      urlConnection.setRequestProperty("Authorization", "Bearer " + token);
      urlConnection.setRequestProperty("Content-Type", "application/" + "json");

      urlConnection.connect();

      it works in windows, but fails in linux machine with below error:

      java.net.SocketException: Connection reset
      at java.net.SocketInputStream.read(SocketInputStream.java:196)
      at java.net.SocketInputStream.read(SocketInputStream.java:122)
      at sun.security.ssl.InputRecord.readFully(InputRecord.java:442)
      at sun.security.ssl.InputRecord.read(InputRecord.java:480)
      at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:927)
      at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)
      at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1339)
      at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1323)
      ..

      java version in linux is :
      root@workflow-test-new:/home/tomcat7/apache-tomcat-7/logs# java -version
      java version "1.7.0_45"
      Java(TM) SE Runtime Environment (build 1.7.0_45-b18)
      Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)

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