zengqinchris opened a new issue #3108:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/3108
`public static String httpRequestUtils(String url, String params, String
requestMethod) {
PrintWriter out = null;
BufferedReader in = null;
StringBuilder result = new StringBuilder();
try {
URL reqUrl = new URL(url);
// 建立连接
HttpURLConnection conn =
(HttpURLConnection)reqUrl.openConnection();
//设置请求头
conn.setRequestProperty("Content-Type",
"application/json;charset=utf-8");
conn.setRequestProperty("token", "11111111111111111111");
// conn.setRequestProperty("connection", "Keep-Alive");
// conn.setRequestProperty("user-agent", "Mozilla/4.0
(compatible; MSIE 6.0; Windows NT 5.1; SV1)");
conn.setDoOutput(true);
//设置为true才可以使用conn.getOutputStream().write()
conn.setDoInput(true); //可以使用conn.getInputStream().read();
conn.setRequestMethod(requestMethod);
if (!"".equals(params)) {
//写入参数
out = new PrintWriter(conn.getOutputStream());
//设置参数，可以直接写&参数，也可以直接传入拼接好的
out.print(params);
// flush输出流的缓冲
out.flush();
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new
InputStreamReader(conn.getInputStream(), "UTF-8"));
String line = in.readLine();
while (line != null) {
result.append(line);
line = in.readLine();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (out != null) {
out.close();
}
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result.toString();
}
public static void main(String[] args) {
String str =
httpRequestUtils("http://xxxxxxx/dolphinscheduler/projects/online-test/process/list","pageNo=1&pageSize=50","GET";);
System.out.println(str);
}
`
报错
`java.io.IOException: Server returned HTTP response code: 405 for URL:
http://bigdata-1.wumii.net:15681/dolphinscheduler/projects/online-test/process/list
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1900)
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at
com.wumii.data.platform.manager.service.meta.SchedulerWorkflowService.httpRequestUtils(SchedulerWorkflowService.java:104)
at
com.wumii.data.platform.manager.service.meta.SchedulerWorkflowService.main(SchedulerWorkflowService.java:129)
`
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