问cos上传报错?

com.qcloud.cos.exception.CosClientException: xxxxxxxxyqcloud.com

at com.qcloud.cos.utils.ExceptionUtils.createClientException(ExceptionUtils.java:47)

at com.qcloud.cos.http.DefaultCosHttpClient.executeRequest(DefaultCosHttpClient.java:589)

at com.qcloud.cos.http.DefaultCosHttpClient.exeute(DefaultCosHttpClient.java:483)

at com.qcloud.cos.COSClient.invoke(COSClient.java:613)

at com.qcloud.cos.COSClient.deleteObject(COSClient.java:1313)

at com.qcloud.cos.COSClient.deleteObject(COSClient.java:1289)

at

Caused by: java.net.UnknownHostException: xxxxxcos.beijing.myqcloud.com

at java.net.InetAddress.getAllByName0(InetAddress.java:1280)

at java.net.InetAddress.getAllByName(InetAddress.java:1192)

at java.net.InetAddress.getAllByName(InetAddress.java:1126)

at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)

at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)

at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)

at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)

at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)

at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)

at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)

at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)

at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)

at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)

at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)

at com.qcloud.cos.http.DefaultCosHttpClient.executeOneRequest(DefaultCosHttpClient.java:426)

at com.qcloud.cos.http.DefaultCosHttpClient.executeRequest(DefaultCosHttpClient.java:586)?