Java 要执行HTTP请求(修补程序)
我正在尝试执行修补程序请求。在c#中一切都很好,但在Java中却不起作用 源代码:Java 要执行HTTP请求(修补程序),java,rest,post,Java,Rest,Post,我正在尝试执行修补程序请求。在c#中一切都很好,但在Java中却不起作用 源代码: String url = postURL; URL obj = new URL(url); HttpURLConnection con = (HttpURLConnection) obj.openConnection(); con.setRequestMethod("POST"); con.setRequestProperty("X-HTTP-Method-Override", "PATCH"); co
String url = postURL;
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST");
con.setRequestProperty("X-HTTP-Method-Override", "PATCH");
con.setRequestProperty("Authorization", authInfo);
con.setRequestProperty("PublicKey", publicKey);
con.setRequestProperty("Content-Type", contenttype);
String toPost = "{\"StockQuantity\":"+newVal+"}";
// Send post request
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.writeBytes(toPost);
wr.flush();
wr.close();
int responseCode = con.getResponseCode();
System.out.println("\nSending 'POST' request to URL : " + url);
System.out.println("Post parameters : " + toPost);
System.out.println("Response Code : " + responseCode);
BufferedReader in = new BufferedReader(
new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString());
我得到一个错误:
线程“main”java.io.FileNotFoundException中的异常:
完整堆栈跟踪:
线程“main”java.io.FileNotFoundException中的异常:
在sun.reflect.nativeConstructor附件mpl.newInstance0(本机
方法)在
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
在
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
位于java.lang.reflect.Constructor.newInstance(Constructor.java:423)
在
sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1926)
在
net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1921)
位于java.security.AccessController.doPrivileged(本机方法)
net.www.protocol.http.HttpURLConnection.getchainedeException(HttpURLConnection.java:1920)
在
net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1490)
在
net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
在
net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
在
communication.ServerCommunication.reqPost(ServerCommunication.java:150)
在xsadsaaf.xsadsaaf.main(xsadsaaf.java:48)处,由以下原因引起:
java.io.FileNotFoundException:
在
net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1872)
在
net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474)
在
java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
在
net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
在
communication.ServerCommunication.reqPost(ServerCommunication.java:144)
... 还有一个
响应代码是:404
使用相同的url,我可以在C#中执行请求,为什么不使用Java?在代码的哪一行发生
FileNotFoundException
异常?请发布完整的堆栈跟踪。我看不到发生异常的那一行。您确定支持验证该方法的头吗?(见附件)