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当我使用GData Java客户端库 的批处理功能获取此异常。我们能够获得Feed，但无法批量删除。java.lang.nullpointerexception no authentication header informatio
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java.lang.NullPointerException: No authentication header information
at
com.google.gdata.util.AuthenticationException.initFromAuthHeader(AuthenticationException.java:96)
at
com.google.gdata.util.AuthenticationException.<init>(AuthenticationException.java:67)
at
com.google.gdata.client.http.HttpGDataRequest.handleErrorResponse(HttpGDataRequest.java:608)
at
com.google.gdata.client.http.GoogleGDataRequest.handleErrorResponse(GoogleGDataRequest.java:564)
at
com.google.gdata.client.http.HttpGDataRequest.checkResponse(HttpGDataRequest.java:560)
at
com.google.gdata.client.http.HttpGDataRequest.execute(HttpGDataRequest.java:538)
at
com.google.gdata.client.http.GoogleGDataRequest.execute(GoogleGDataRequest.java:536)
at com.google.gdata.client.Service.batch(Service.java:1454) at
com.google.gdata.client.GoogleService.batch(GoogleService.java:770)
任何帮助。