But this is seriously throwing a wrench into my plans of launching
http://ajl-srv-003.appspot.com !

Thanks for all the work on this stuff Vince, it is greatness.


-Aaron

On Wed, Nov 25, 2009 at 1:25 PM, Vince Bonfanti <[email protected]> wrote:
> This happened after the file "base_media.jpg" was deleted? If so, it looks
> like the file metadata is being cached (it clearly knows the file doesn't
> exist, but why is it showing up in the directory listing?).
> I have a major new update to GaeVFS that I'm preparing to release. Since
> it's changed so much, I'd rather wait until it's integrated with OpenBD/GAE
> and then debug this problem on the newest code base (if we're lucky, maybe
> it's already fixed).
> Vince
>
> On Wed, Nov 25, 2009 at 2:17 PM, Aaron Lynch <[email protected]> wrote:
>>
>> Vince, here is the error again, since i switched to using the gaevfs
>> servlet mapping.
>>
>> Uncaught exception from servlet
>> org.apache.commons.vfs.FileSystemException: Could not determine the
>> last modified timestamp of
>>
>> "gae:///base/data/home/apps/ajl-srv-003/1.338007617304526892/files/base_media.jpg"
>> because it does not exist.
>>        at
>> org.apache.commons.vfs.provider.DefaultFileContent.getLastModifiedTime(DefaultFileContent.java:161)
>>        at
>> com.newatlanta.commons.vfs.provider.gae.GaeVfsServlet.getListHTML(GaeVfsServlet.java:231)
>>        at
>> com.newatlanta.commons.vfs.provider.gae.GaeVfsServlet.doGet(GaeVfsServlet.java:162)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
>>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>>        at
>> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>>        at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
>>        at
>> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:391)
>>        at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>>        at
>> com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
>>        at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>>        at
>> com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
>>        at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>>        at
>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
>>        at
>> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>        at
>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>        at
>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
>>        at
>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>>        at
>> com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
>>        at
>> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
>>        at org.mortbay.jetty.Server.handle(Server.java:313)
>>        at
>> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
>>        at
>> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
>>        at
>> com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
>>        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
>>        at
>> com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:139)
>>        at
>> com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:239)
>>        at
>> com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5135)
>>        at
>> com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5133)
>>        at
>> com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24)
>>        at
>> com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:363)
>>        at com.google.net.rpc.impl.Server$2.run(Server.java:814)
>>        at
>> com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56)
>>        at
>> com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:516)
>>        at com.google.net.rpc.impl.Server.startRpc(Server.java:769)
>>        at com.google.net.rpc.impl.Server.processRequest(Server.java:351)
>>        at
>> com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:437)
>>        at
>> com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319)
>>        at
>> com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290)
>>        at
>> com.google.net.async.Connection.handleReadEvent(Connection.java:436)
>>        at
>> com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:762)
>>        at
>> com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:207)
>>        at
>> com.google.net.async.EventDispatcher.loop(EventDispatcher.java:101)
>>        at
>> com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251)
>>        at
>> com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:396)
>>        at java.lang.Thread.run(Unknown Source)
>>
>> Unexpected exception from servlet:
>> org.apache.commons.vfs.FileSystemException: Could not determine the
>> last modified timestamp of
>>
>> "gae:///base/data/home/apps/ajl-srv-003/1.338007617304526892/files/base_media.jpg"
>> because it does not exist.
>>
>>
>>
>>
>>
>> On Wed, Nov 25, 2009 at 12:16 PM, Vince Bonfanti <[email protected]>
>> wrote:
>> >
>> > I just tried a dozen or more uploads/deletes and couldn't reproduce the
>> > problem. As with any bug, it's going to be tough to fix it we can't
>> > reproduce it reliably.
>> > Vince
>> >
>> > On Wed, Nov 25, 2009 at 1:04 PM, Aaron Lynch <[email protected]>
>> > wrote:
>> >>
>> >> I deleted them using cffile.
>> >>
>> >> If you have a google account, you can go here
>> >> http://ajl-srv-003.appspot.com/ and upload/delete a few times and 
>> >> hopefully
>> >> get the error.  As far as testable code, there isn't anything tricky going
>> >> on.  just cfdirectory listing/creating and cffile upload/deleting
>> >>
>> >> Aaron Lynch
>> >>
>> >> www.AaronJLynch.com
>> >> www.InstantSpot.com
>> >>
>> >> On Wed, Nov 25, 2009 at 11:59 AM, Vince Bonfanti <[email protected]>
>> >> wrote:
>> >>>
>> >>> Yes, there is some caching going on within GaeVFS. How did you delete
>> >>> the files? from the GAE admin console, or by using CFFILE? Deleting from 
>> >>> the
>> >>> GAE admin console is going to cause problems--you should always use 
>> >>> CFFILE.
>> >>> If you're using CFFILE, can you give me a reproducible testcase?
>> >>> Vince
>> >>>
>> >>> On Wed, Nov 25, 2009 at 11:24 AM, Aaron Lynch <[email protected]>
>> >>> wrote:
>> >>>>
>> >>>> I am running into some issues with cfdirectory when I have deleted
>> >>>> files from the virtual file system.  Is openBD caching the directory 
>> >>>> list?
>> >>>> Is there a workaround for this?
>> >>>>
>> >>>> Error:  http://imgur.com/tSPLY.jpg
>> >>>>
>> >>>> Aaron Lynch
>> >>>> www.AaronJLynch.com
>> >>>> www.InstantSpot.com
>> >>>>
>> >>>>
>> >>>> On Tue, Nov 24, 2009 at 1:07 PM, Paul Kukiel <[email protected]>
>> >>>> wrote:
>> >>>>>
>> >>>>> I can't believe how easy this was to solve.  Impressed.
>> >>>>>
>> >>>>> Thanks Aaron.
>> >>>>>
>> >>>>> Paul.
>> >>>>>
>> >>>>> -----Original Message-----
>> >>>>> From: Aaron Lynch [mailto:[email protected]]
>> >>>>> Sent: Tuesday, November 24, 2009 2:02 PM
>> >>>>> To: Open BlueDragon
>> >>>>> Subject: [OpenBD] Re: Open BD GAE VFS
>> >>>>>
>> >>>>> Hey Paul, here is one way of accessing your images from the VFS.
>> >>>>>
>> >>>>>
>> >>>>> http://aaronjlynch.com/blog/2009/11/24/Google-App-Engines-Virtual-File-Syste
>> >>>>> m-with-OpenBD
>> >>>>>
>> >>>>>
>> >>>>> cliffs:  <img src="getfile.cfm?f=myimagename.jpg"/>
>> >>>>>
>> >>>>>
>> >>>>> -Aaron
>> >>>>> www.AaronJLynch.com
>> >>>>> www.InstantSpot.com
>> >>>>>
>> >>>>>
>> >>>>> On Nov 9, 7:02 pm, "Paul Kukiel" <[email protected]> wrote:
>> >>>>> > I have OpenBD on GAE.
>> >>>>> >
>> >>>>> > I used cfhttp to get a file ( picture.png ) I then used cffile to
>> >>>>> > write
>> >>>>> this
>> >>>>> > to the VFS.
>> >>>>> >
>> >>>>> > cfdirectory lists the file here:
>> >>>>> >
>> >>>>> >
>> >>>>>
>> >>>>> /base/data/home/apps/myapp/1.337642045380650872/gae:/base/data/home/apps/web
>> >>>>> > sheppaul/1.337642045380650872
>> >>>>> >
>> >>>>> > As z.png
>> >>>>> >
>> >>>>> > How can I then reference that file so I can then use z.png as an
>> >>>>> > image ie
>> >>>>> > <img src="somePath" />
>> >>>>> >
>> >>>>> > Paul.
>> >>>>>
>> >>>>> --
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>
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>
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