Without "out.close()" throws this exception on or
"writeChannel.closeFinally()":
Exception in thread "main" java.lang.IllegalStateException: The
current request does not hold the exclusive lock.
at
com.google.appengine.api.files.FileServiceImpl.close(FileServiceImpl.java:
315)
at
com.google.appengine.api.files.FileWriteChannelImpl.closeFinally(FileWriteChannelImpl.java:
78)
at br.com.teste.RemoteAPI.main(RemoteAPI.java:94)
Excuse me, bill is not enabled for my app, but exception should be
clear about this.
"Note: The Blobstore API is only available for apps with billing
enabled. You still get an amount of quota for free, but billing must
be enabled to use it."
http://code.google.com/appengine/docs/quotas.html#Blobstore
Thanks.
On 18 ago, 17:35, "Wen (Google)" <weng...@google.com> wrote:
> I read the doc. you pointed out as such: when "out.close()" was
> called, the "writeChannel" was not closed; when "readChannel.close()"
> was called, the "reader" itself was not closed. So, looks like you
> only need to do one or the other. It may have to do with how closing
> is implemented on the channels.
>
> So remove "out.close()", and see if the exception would go away.
>
> Wen
>
> On Aug 18, 7:05 am, André Salvati <andre.f.salv...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Hi,
>
> > Maybe I've misunderstood docs, but I thought it was possible an
> > external application to integrate with App Engine by creating a file
> > in Blobstore. Am I doing something wrong?? Any way to accomplish
> > this??
>
> >http://code.google.com/appengine/docs/java/blobstore/overview.html#Wr...
>
> > Thanks.
>
> > Code:
>
> > public class RemoteAPI {
>
> > public static void main(String[] args) throws IOException {
>
> > String username = "x...@gmail.com";
> > String password = "xxxxx";
>
> > RemoteApiOptions options = new RemoteApiOptions()
> > .server("primepartes.appspot.com", 443)
> > .credentials(username, password);
> > RemoteApiInstaller installer = new RemoteApiInstaller();
> > installer.install(options);
>
> > FileService fileService = FileServiceFactory.getFileService();
> > BlobstoreService blobstoreService =
> > BlobstoreServiceFactory.getBlobstoreService();
>
> > AppEngineFile file = fileService.createNewBlobFile("text/
> > plain");
>
> > FileWriteChannel writeChannel =
> > fileService.openWriteChannel(file, true);
>
> > PrintWriter out = new
> > PrintWriter(Channels.newWriter(writeChannel, "UTF8"));
> > out.println("The woods are lovely dark and deep.");
> > out.println("But I have promises to keep.");
>
> > out.close();
> > writeChannel.closeFinally(); // This line throwns the excepion
> > bellow
>
> > ..............
>
> > java.lang.IllegalStateException: The current request does not hold the
> > exclusive lock.
> > at
> > com.google.appengine.api.files.FileServiceImpl.close(FileServiceImpl.java:
> > 315)
> > at
> > com.google.appengine.api.files.FileWriteChannelImpl.closeFinally(FileWriteC
> > hannelImpl.java:
> > 78)
> > at br.com.teste.RemoteAPI.main(RemoteAPI.java:82)
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