Demo 推送失败,求各位大牛指教

错误原因

request error
{}
    at cn.jiguang.common.connection.NativeHttpClient._doRequest(NativeHttpClient.java:234)
    at cn.jiguang.common.connection.NativeHttpClient.doRequest(NativeHttpClient.java:99)
    at cn.jiguang.common.connection.NativeHttpClient.sendPost(NativeHttpClient.java:86)
    at cn.jpush.api.push.PushClient.sendPush(PushClient.java:163)
    at cn.jpush.api.JPushClient.sendPush(JPushClient.java:194)
    at com.firstJmessage.demo.Test.testPush(Test.java:27)
    at com.firstJmessage.demo.Test.main(Test.java:14)