connection reset error in https request

[zhaoyinchuan]

HttpConfig config = HttpConfig.custom() .headers(headers) .url(iamtokenUrl) .encoding("utf-8") .client(HCB.custom().sslpv(SSLs.SSLProtocolVersion.TLSv1_2).ssl().build()) .json(JSON.toJSONString(map)); String result = HttpClientUtil.post(config);

ERROR MESSAGE： com.arronlong.httpclientutil.exception.HttpProcessException: java.net.SocketException: Connection reset at com.arronlong.httpclientutil.HttpClientUtil.execute(HttpClientUtil.java:478) at com.arronlong.httpclientutil.HttpClientUtil.send(HttpClientUtil.java:380) at com.arronlong.httpclientutil.HttpClientUtil.post(HttpClientUtil.java:131) at com.caacitc.tcdm.business.imoc.domain.service.impl.ImocOrderImpl.getIamToken(ImocOrderImpl.java:68)