/**
* 运行时，添加JVM参数“-Dsun.net.http.retryPost=false”，可阻止自动重连。
*
* @see 'http://www.coderanch.com/t/490463/sockets/java/Timeout-retry-URLHTTPRequest'
*/
@Test
public void testConnectionResetByHttpURLConnection() throws IOException {
testConnectionResetCount = 0;
String resp = null;
try {
HttpURLConnection conn =
(HttpURLConnection) new URL("http://localhost:65532/soso").openConnection();
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.getOutputStream().write("username".getBytes());
resp = conn.getResponseCode() + "";
} catch (IOException e) {
Throwable ee = ExceptionUtils.getRootCause(e);
if (ee == null) {
ee = e;
}
Logger.error(this, "", ee);
Assert.assertNotSame(NoHttpResponseException.class, ee.getClass());
Assert.assertSame(SocketException.class, ee.getClass());
Assert.assertTrue(
"Connection reset".equals(ee.getMessage())
|| "Socket closed".equals(ee.getMessage())
|| "Unexpected end of file from server".equals(ee.getMessage()));
} finally {
Logger.info(
this,
"resp[HttpURLConnection]-["
+ testConnectionResetCount
+ "]=========["
+ resp
+ "]=========");
}
Assert.assertEquals(2, testConnectionResetCount);
}
@Test
public void testConnectionResetByHttpClientUtils() throws IOException {
testConnectionResetCount = 0;
httpClientUtils = new HttpClientUtils();
httpClientUtils.initHttpClient();
Logger.info(this, "-------------- HttpClient initialized -------------");
String resp = null;
try {
resp = httpClientUtils.get("http://localhost:65532/soso");
} catch (IOException e) {
Throwable ee = ExceptionUtils.getRootCause(e);
if (ee == null) {
ee = e;
}
Logger.error(this, "", ee);
Assert.assertNotSame(NoHttpResponseException.class, ee.getClass());
Assert.assertSame(SocketException.class, ee.getClass());
Assert.assertTrue(
"Connection reset".equals(ee.getMessage())
|| "Socket closed".equals(ee.getMessage())
|| "Unexpected end of file from server".equals(ee.getMessage()));
} finally {
Logger.info(
this,
"resp[HttpURLConnection]-["
+ testConnectionResetCount
+ "]=========["
+ resp
+ "]=========");
}
Assert.assertEquals(1, testConnectionResetCount);
}