在恢复上传时，获取已上传的数据大小总是失败（500内部服务器错误）

Question

由于同样的原因，com.google.api.client.http.httprequest.execute()总是失败（由于某种原因上传失败（套接字超时..）->重试->获取成功上传的数据大小->500错误）

[日志]

07-06 10:20:14.320: I/GDTest(29334): -------------- REQUEST  --------------
07-06 10:20:14.320: I/GDTest(29334): PUT https://www.googleapis.com/upload/drive/v2/files?uploadType=resumable&upload_id=AEnB2Upe55Y_KlG2---SKIP----vSIWg
07-06 10:20:14.320: I/GDTest(29334): Accept-Encoding: gzip
07-06 10:20:14.320: I/GDTest(29334): Authorization: Bearer ya29.AHE---SKIP---Qo9GN
07-06 10:20:14.320: I/GDTest(29334): Content-Range: bytes */2148165
07-06 10:20:14.320: I/GDTest(29334): User-Agent: Google-HTTP-Java-Client/1.10.3-beta (gzip)
07-06 10:20:14.320: I/GDTest(29334): Content-Length: 0
07-06 10:20:14.980: I/GDTest(29334): -------------- RESPONSE --------------
07-06 10:20:14.980: I/GDTest(29334): 500 Internal Server Error
07-06 10:20:14.980: I/GDTest(29334): Cache-Control: no-cache, no-store, must-revalidate
07-06 10:20:14.980: I/GDTest(29334): Content-Length: 180
07-06 10:20:14.980: I/GDTest(29334): Content-Type: application/json
07-06 10:20:14.980: I/GDTest(29334): Date: Fri, 06 Jul 2012 10:20:14 GMT
07-06 10:20:14.980: I/GDTest(29334): Expires: Fri, 01 Jan 1990 00:00:00 GMT
07-06 10:20:14.980: I/GDTest(29334): Pragma: no-cache
07-06 10:20:14.980: I/GDTest(29334): Server: HTTP Upload Server Built on Jun 14 2012 02:12:09 (1339665129)
07-06 10:20:14.980: I/GDTest(29334): X-Android-Received-Millis: 1341570014983
07-06 10:20:14.980: I/GDTest(29334): X-Android-Sent-Millis: 1341570014772
07-06 10:20:14.995: I/GDTest(29334): -------------- REQUEST  --------------