Re: [p2-dev] http instabilities

[Scott Lewis <slewis@xxxxxxxxxxxxxxxxx>]

Hi Helmut,

Could you describe a little more what is happening?  Is the server you 
are trying to reach slow or unreliable?  From the stack trace, you are 
apparently getting a read time out...which is typically caused because 
the server on the other end is not responding properly (or network 
partition).  Is the server/file being accessed publicly available?  If 
so please make it known and we can/will give it a try.  Presumably 
you've tried to access the resource via a web browser and everything is 
fine with that.

I see you are using the JRE provider...i.e. the 
UrlConnectionRetrieveFileTransfer class in stack below.  Are you using 
this because you are behind an NTLMv2 network? (as opposed to the 
httpclient provider, which is the default one for Eclipse 3.5).  Or some 
other reason?

Thanks,

Scott


Haigermoser, Helmut wrote:
> Ciao P2 :)
> We recently had a surge of problems updating our products, using
> standard p2/ecf technologies,
> I'm hoping you've seen these and can point us at options to tweak the
> bevaviour to get by such issues...
>
> Here is the backtrace for our 3.5-based product:
>
> !ENTRY org.eclipse.equinox.p2.repository 4 1002 2009-08-28 16:55:00.873
> !MESSAGE Unable to read repository at http://<path to artifact>
> !STACK 0
> java.net.SocketTimeoutException: Read timed out
> 	at java.net.SocketInputStream.socketRead0(Native Method)
> 	at java.net.SocketInputStream.read(SocketInputStream.java:129)
> 	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
> sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:687)
> 	at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:632)
> 	at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnec
> tion.java:1000)
> 	at
> org.eclipse.ecf.provider.filetransfer.retrieve.UrlConnectionRetrieveFile
> Transfer.getDecompressedStream(UrlConnectionRetrieveFileTransfer.java:46
> 2)
> 	at
> org.eclipse.ecf.provider.filetransfer.retrieve.UrlConnectionRetrieveFile
> Transfer.openStreams(UrlConnectionRetrieveFileTransfer.java:287)
> 	at
> org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTrans
> fer.sendRetrieveRequest(AbstractRetrieveFileTransfer.java:808)
> 	at
> org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTrans
> fer.sendRetrieveRequest(AbstractRetrieveFileTransfer.java:506)
> 	at
> org.eclipse.ecf.provider.filetransfer.retrieve.MultiProtocolRetrieveAdap
> ter.sendRetrieveRequest(MultiProtocolRetrieveAdapter.java:98)
> 	at
> org.eclipse.equinox.internal.p2.repository.FileReader.sendRetrieveReques
> t(FileReader.java:317)
> 	at
> org.eclipse.equinox.internal.p2.repository.FileReader.readInto(FileReade
> r.java:263)
> 	at
> org.eclipse.equinox.internal.p2.repository.RepositoryTransport.download(
> RepositoryTransport.java:70)
> 	at
> org.eclipse.equinox.internal.p2.repository.RepositoryTransport.download(
> RepositoryTransport.java:121)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifac
> tRepository.downloadArtifact(SimpleArtifactRepository.java:472)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifac
> tRepository.downloadArtifact(SimpleArtifactRepository.java:455)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifac
> tRepository.getArtifact(SimpleArtifactRepository.java:522)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.getArt
> ifact(MirrorRequest.java:200)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transf
> erSingle(MirrorRequest.java:175)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.transf
> er(MirrorRequest.java:159)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.MirrorRequest.perfor
> m(MirrorRequest.java:95)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifac
> tRepository.getArtifact(SimpleArtifactRepository.java:511)
> 	at
> org.eclipse.equinox.internal.p2.artifact.repository.simple.DownloadJob.r
> un(DownloadJob.java:64)
> 	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>
> TIA,
> Ciao, hh
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