问题描述
由于JSoup在1.12.1版（https://jsoup.org/news/release-1.12.1）中已弃用并删除了validateTLSCertificates方法，因此此答案已过时。
您可以忽略TSL验证，设置为validateTLSCertificates(false)：
Document document = Jsoup.connect("URL").timeout(10000).validateTLSCertificates(false).get();
由于阅读页面也需要一段时间，因此请增加超时时间timeout(10000)。
解决方法
我正在尝试解析以下URL的html：
https://www.smuc.ac.kr/mbs/smuc/jsp/board/list.jsp?boardId=6993&id=smuc_040100000000
我收到以下错误：
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:387)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
at sun.security.validator.Validator.validate(Validator.java:260)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1491)
... 15 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
... 21 more
这是我的代码：
public class MainActivity extends AppCompatActivity {
private ListView listView;
private TextView textView;
public ArrayList<String> arrayList = new ArrayList<String>();
private ArrayAdapter<String> arrayAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.listView);
new Insert().execute();
arrayAdapter = new ArrayAdapter<String>(MainActivity.this,R.layout.list_ok,R.id.text,arrayList );
}
class Insert extends AsyncTask<String,Void,String> {
@Override
protected String doInBackground(String... params) {
try {
// Connection.Response res = Jsoup.connect("https://www.smuc.ac.kr/mbs/smuc/index.jsp")
// .method(Connection.Method.POST)
// .execute();
Document document = Jsoup.connect("https://www.smuc.ac.kr/mbs/smuc/jsp/board/list.jsp?boardId=6993&id=smuc_040100000000").get();
Elements elements = document.select(".tit");
arrayList.clear();
for (Element element : elements) {
arrayList.add(element.text());
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String result){
listView.setAdapter(arrayAdapter);
}
}
}