java.net.SocketException: Connection reset for inputstream

Question

I am trying to download a file from https URL. I can able to download the file using the below code from my home PC. However, I am unable to download it from corporate machine. Required cacerts already imported in java properly. I can also able to download the file from the browser. I've looked at the number of other threads but not able to figure out the appropriate solution for this problem. Here is my Java code

 try
  {
    url = new URL(url);
    HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
    if (httpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK)
            inputStream = httpURLConnection.getInputStream();
        else
            inputStream = httpURLConnection.getErrorStream();
 }
 catch (Exception ioe)
 {
    ioe.printStackTrace();
 }

Here is the exception which I got. I am always getting exception at inputstream. Remember this code is working 100% on my home PC.

java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:210)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:975)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:933)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:735)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:706)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1593)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:352)

Any clue will be a great help.

Corporate PC has proxy but it doesn't require any authentication. — Vikram
– Vikram, Commented Aug 8, 2019 at 6:31
I think u still need to tell Java that a proxy exists, i had a similar problem — ILikeSahne
– ILikeSahne, Commented Aug 8, 2019 at 6:33
Try: System.setProperty("http.proxyHost", "host"); System.setProperty("http.proxyPort", "port"); — ILikeSahne
– ILikeSahne, Commented Aug 8, 2019 at 6:33

ILikeSahne · Accepted Answer · 2019-08-08 06:54:37Z

1

Works fine for me:

    System.setProperty("http.proxyHost", "host");
    System.setProperty("http.proxyPort", "port");
    try {
        URL u = new URL("some url");
        HttpURLConnection huc = (HttpURLConnection) u.openConnection();
        InputStream is = null;
        if (huc.getResponseCode() == HttpURLConnection.HTTP_OK)
            is = huc.getInputStream();
        else
            is = huc.getErrorStream();
    } catch (Exception e) {
        e.printStackTrace();
    }

answered Aug 8, 2019 at 6:54

ILikeSahne

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6 Comments

ILikeSahne Over a year ago

And u really have the right host and the right port? U need to replace the host with your host and the port with your port.

Vikram Over a year ago

Yeah. I am using the same proxy in my browser as well as intellij

ILikeSahne Over a year ago

In what line do you get the Error?

Vikram Over a year ago

This is where httpURLConnection.getResponseCode() I am getting error. In the debug mode I noticed inputstream as null

ILikeSahne Over a year ago

try to add this after the u.openConnection(): huc.setRequestMethod("GET"); huc.connect();

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