为什么ItemSkippedException？

Question

我正在尝试更新Google网站中的内容,并在异常VersionConflictException中读取流.

当我检查流时它很好并且在POST请求中完全加载但是后来我得到了跟随错误.

org.apache.commons.fileupload.FileItemStream$ItemSkippedException
at org.apache.commons.fileupload.MultipartStream$ItemInputStream.read(MultipartStream.java:880)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
at com.google.gdata.data.media.MediaSource$Output.writeTo(MediaSource.java:87)
at com.google.gdata.data.media.MediaBodyPart$MediaSourceDataHandler.writeTo(MediaBodyPart.java:74)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:452)
at javax.mail.internet.MimeMultipart.writeTo(MimeMultipart.java:157)
at com.google.gdata.wireformats.output.media.MediaMultipartGenerator.generate(MediaMultipartGenerator.java:58)
at com.google.gdata.wireformats.output.media.MediaMultipartGenerator.generate(MediaMultipartGenerator.java:37)
at com.google.gdata.client.Service.writeRequestData(Service.java:1831)
at com.google.gdata.client.media.MediaService.updateMedia(MediaService.java:497)
at com.google.gdata.data.media.MediaEntry.updateMedia(MediaEntry.java:159)
at morefile.UploadApp.updateAttachment(UploadApp.java:136)

Answer 1

FileItemStream.ItemSkippedException

如果在创建FileItemStream的迭代器上调用Iterator.hasNext()之后尝试从FileIream读取数据,则会抛出此异常(FileItemStream.openStream()返回).