SAE Java Environment Access HTTPS error: Java.security.InvalidAlgorithmPara

Using SAE Java has been very smooth, there is no problem with the local Tomcat test, uploaded to the SAE after the error, the search for a while, generally refers to environmental issues, here to share.

Access Address:

Https://api.weibo.com/2/users/show.json

Error message:

Java.security.InvalidAlgorithmParameterException:the trustanchors parameter must to Non-empty on Linux, or why is the Def Ault Truststore Empty

Use code:

Protected string getjsonstring (String urlpath) throws Exception {
        url url = new URL (urlpath);
        HttpURLConnection connection = (httpurlconnection) url.openconnection ();
        Connection.setrequestmethod ("get");
        Connection.connect ();
        InputStream InputStream = Connection.getinputstream ();
        corresponding character encoding conversion
        reader reader = new InputStreamReader (InputStream, "UTF-8");
        BufferedReader BufferedReader = new BufferedReader (reader);
        String str = null;
        StringBuffer sb = new StringBuffer ();
        while ((str = bufferedreader.readline ())!= null) {
            sb.append (str);
        }
        Reader.close ();
        Connection.disconnect ();
        return sb.tostring ();
    }

Solution:

New Saefetchurl (). Fetch (URL)

Code Description: Replace your code with the SAE Saefetchurl service.

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