I'm frustrated with the blobstore upload on the server side. I can't seem to
figure out whats going wrong. I'm posting the payload below. I need to
figure out how to upload on the server side so I can resize a thumb and
write the bytes into a blob.
I'm using a servlet to setup a task to do the task so I don't get a deadline
error.
URLFetchService urlFetch = URLFetchServiceFactory.getURLFetchService();
FetchOptions fetchOptions =
FetchOptions.Builder.withDefaults().setDeadline(1000.00);
HTTPRequest request = new HTTPRequest(url, HTTPMethod.POST,
fetchOptions);
... I write the payload below ...
I'm testing the upload method and I'm getting an error.
***Header: name=Content-Type value=multipart/form-data;
boundary=----GoneVerticalBoundaryJ7mxnS1yC16DxAAC
******PAYLOAD START******
------GoneVerticalBoundaryJ7mxnS1yC16DxAAC
Content-Disposition: form-data; name="File"; filename="test.txt"
Content-Type: text/csv
thisistextinfile
------GoneVerticalBoundaryJ7mxnS1yC16DxAAC--
******END PAYLOAD******
[WARN]
/_ah/upload/ahNnb25ldmVydGljYWwtbGxjLXYzchwLEhVfX0Jsb2JVcGxvYWRTZXNzaW9uX18Y0hcM
java.lang.NullPointerException
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.handleUpload(
UploadBlobServlet.java:380)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.access$000(
UploadBlobServlet.java:72)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet$1.run(
UploadBlobServlet.java:101)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.api.blobstore.dev.UploadBlobServlet.doPost(
UploadBlobServlet.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(
ServletHandler.java:1166)
at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(
ServeBlobFilter.java:58)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(
ServletHandler.java:1157)
at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(
TransactionCleanupFilter.java:43)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(
ServletHandler.java:1157)
at com.google.appengine.tools.development.StaticFileFilter.doFilter(
StaticFileFilter.java:122)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(
ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at org.mortbay.jetty.security.SecurityHandler.handle(
SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(
DevAppEngineWebAppContext.java:70)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at
com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(
JettyContainerService.java:351)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(
HttpConnection.java:938)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(
SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(
QueuedThreadPool.java:582)
Any thoughts would be much appreciated :).
Brandon Donnelson
http://gwt-examples.googlecode.com
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