If you feel more comfortable working with Java, I use this code to
bulk load and backup data:
http://code.google.com/p/remote-datastore/
It intercepts the raw bytes sent to the local datastore and sends them
to another remote datastore. Because it operates at this very low
level it is very efficient.
On 17 Sep 2010, at 12:23, megala dhinakaran wrote:
i had created webappliccation project using java,I want to bulk load
the data in google app engine datastore,But it shows the following
error how to solve this
appcfg.py create_bulkloader_config --filename=bulkloader.yaml --
url=http://logchecking1.appspot.com/remote_api
appcfg.py:41: DeprecationWarning: the sha module is deprecated; use
the hashlib module instead
os.path.join(DIR_PATH, 'lib', 'antlr3'),
/home/crimson/Desktop/google_appengine/google/appengine/tools/
dev_appserver_login.py:33: DeprecationWarning: the md5 module is
deprecated; use hashlib instead
import md5
Creating bulkloader configuration.
[INFO ] Logging to bulkloader-log-20100917.105157
[INFO ] Throttling transfers:
[INFO ] Bandwidth: 250000 bytes/second
[INFO ] HTTP connections: 8/second
[INFO ] Entities inserted/fetched/modified: 20/second
[INFO ] Batch Size: 10
[INFO ] Opening database: bulkloader-progress-20100917.105157.sql3
[INFO ] Opening database: bulkloader-results-20100917.105157.sql3
[INFO ] Connecting to logchecking1.appspot.com/remote_api
[ERROR ] Exception during authentication
Traceback (most recent call last):
File "/home/crimson/Desktop/google_appengine/google/appengine/tools/
bulkloader.py", line 3167, in Run
self.request_manager.Authenticate()
File "/home/crimson/Desktop/google_appengine/google/appengine/tools/
bulkloader.py", line 1176, in Authenticate
remote_api_stub.MaybeInvokeAuthentication()
File "/home/crimson/Desktop/google_appengine/google/appengine/ext/
remote_api/remote_api_stub.py", line 533, in MaybeInvokeAuthentication
datastore_stub._server.Send(datastore_stub._path, payload=None)
File "/home/crimson/Desktop/google_appengine/google/appengine/tools/
appengine_rpc.py", line 336, in Send
f = self.opener.open(req)
File "/usr/lib/python2.6/urllib2.py", line 389, in open
response = self._open(req, data)
File "/usr/lib/python2.6/urllib2.py", line 407, in _open
'_open', req)
File "/usr/lib/python2.6/urllib2.py", line 367, in _call_chain
result = func(*args)
File "/usr/lib/python2.6/urllib2.py", line 1146, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/lib/python2.6/urllib2.py", line 1121, in do_open
raise URLError(err)
URLError: <urlopen error [Errno -2] Name or service not known>
[INFO ] Authentication Failed
How to solve this?
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