[英]Curl Request to https endoint working but java client request fails with Error 'javax.net.ssl.SSLHandshakeException'
I am trying to connect to an https endpoint by making GET request with java client. 我试图通过使用Java客户端发出GET请求来连接到https端点。 the endpoint is like this ' https://domain/path/ {token}',but every time i make a reqeust i get 'javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure' Exception , i scoured a lot of websites but no luck.
端点就像这个' https:// domain / path / {token}',但每次我做一个reqeust我得到'javax.net.ssl.SSLHandshakeException:收到致命警报:handshake_failure'例外,我搜索了很多网站,但没有运气。 Interestingly when i make the same request via POSTMAN from a different host (windows) it works,also i copied the curl command generated from POSTMAN and ran on the HOST where my client is running it works fine there too.
有趣的是,当我通过POSTMAN从不同的主机(窗口)发出相同的请求时它也可以工作,我也复制了从POSTMAN生成的curl命令并在我的客户端运行的HOST上运行它也可以正常工作。 only the java code is not able to connect to the endpoint.
只有java代码无法连接到端点。 Now my questions are :
现在我的问题是:
--->is this a certificate issue. --->这是证书问题吗?
--->if so ,how does curl works without needing the certificate. --->如果是这样,curl如何在不需要证书的情况下工作。
Thanks. 谢谢。
NOTE:Following are the things already tried: 注意:以下是已经尝试过的事情:
-->set the same set of HEADERS present with curl command for the java client connection . - >使用curl命令为java客户端连接设置相同的HEADERS集。
-->also used alternative rest clients (okhttp3) and HttpClient libraries but get the same exception. - >也使用了备用休息客户端(okhttp3)和HttpClient库,但得到了相同的异常。
Please find the working curl command below: 请在下面找到工作curl命令:
curl -X GET \
https://domain/x/y/XUwDummyTokenRKZ80EnxDCJlM \
-H 'Accept: */*' \
-H 'Cache-Control: no-cache' \
-H 'Connection: keep-alive' \
-H 'Host:hostname' \
-H 'accept-encoding: gzip, deflate' \
-H 'cache-control: no-cache
also the java client code being used to connect to the https endpoint: 还有用于连接到https端点的java客户端代码:
public void printGetResult( String destUrlStr ) {
try {
URL url = new URL(destUrlStr);
HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
conn.setRequestMethod( "GET" );
InputStream is = conn.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String inputLine;
while ((inputLine = br.readLine()) != null) {
System.out.println(inputLine);
}
br.close();
}catch(Exception e) {
System.out.println("exception is"+e);
}
}
Expected result: json 预期结果:json
(i know in my curl request i have set accept as * ,but it works) (我知道在我的curl请求中我已将accept设置为*,但它有效)
Actual Result: 实际结果:
javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure javax.net.ssl.SSLHandshakeException:收到致命警报:handshake_failure
You have to add the remote server certificate to the java's Truststore . 您必须将远程服务器证书添加到java的Truststore 。 There are several ways to do it.
有几种方法可以做到这一点。 Here is one example.
这是一个例子。
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