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From "Konstantin Avdeev (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-1312) jcifs.smb.SmbException: Connection reset by peer: socket write error
Date Sat, 07 May 2016 19:48:12 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15275360#comment-15275360
] 

Konstantin Avdeev commented on CONNECTORS-1312:
-----------------------------------------------

yes, we are crawling the server too "hard" - there are a lot of "all pipes are busy" warnings,
but the file server doesn't seem to be under heavy load.
So, could we add the "connection reset by peer" to the list of non-severe exceptions?
Thanks!

> jcifs.smb.SmbException: Connection reset by peer: socket write error
> --------------------------------------------------------------------
>
>                 Key: CONNECTORS-1312
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1312
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: JCIFS connector
>    Affects Versions: ManifoldCF 2.5
>         Environment: Windows x64, java 1.8.x
>            Reporter: Konstantin Avdeev
>
> hi Karl,
> we've found another JCIFS exception: Windows share jobs stop when encountering a "Connection
reset by peer" error, e.g.:
> {code}
> ERROR 2016-05-03 15:29:24,209 (Worker thread '80') - JCIFS: SmbException tossed processing
smb://server.domain.com/path/file.ppt
> jcifs.smb.SmbException: Connection reset by peer: socket write error
> java.net.SocketException: Connection reset by peer: socket write error
> 	at java.net.SocketOutputStream.socketWrite0(Native Method)
> 	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
> 	at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
> 	at jcifs.smb.SmbTransport.doSend(SmbTransport.java:453)
> 	at jcifs.util.transport.Transport.sendrecv(Transport.java:67)
> 	at jcifs.smb.SmbTransport.send(SmbTransport.java:655)
> 	at jcifs.smb.SmbSession.send(SmbSession.java:238)
> 	at jcifs.smb.SmbTree.send(SmbTree.java:119)
> 	at jcifs.smb.SmbFile.send(SmbFile.java:775)
> 	at jcifs.smb.SmbFileInputStream.readDirect(SmbFileInputStream.java:181)
> 	at jcifs.smb.SmbFileInputStream.read(SmbFileInputStream.java:142)
> 	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
> 	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
> 	at java.io.FilterInputStream.read(FilterInputStream.java:107)
> 	at java.nio.file.Files.copy(Files.java:2908)
> 	at java.nio.file.Files.copy(Files.java:3027)
> 	at org.apache.tika.io.TikaInputStream.getPath(TikaInputStream.java:587)
> 	at org.apache.tika.io.TikaInputStream.getFile(TikaInputStream.java:615)
> 	at org.apache.tika.parser.microsoft.POIFSContainerDetector.getTopLevelNames(POIFSContainerDetector.java:358)
> 	at org.apache.tika.parser.microsoft.POIFSContainerDetector.detect(POIFSContainerDetector.java:424)
> 	at org.apache.tika.detect.CompositeDetector.detect(CompositeDetector.java:77)
> 	at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:112)
> 	at org.apache.manifoldcf.agents.transformation.tika.TikaParser.parse(TikaParser.java:48)
> 	at org.apache.manifoldcf.agents.transformation.tika.TikaExtractor.addOrReplaceDocumentWithException(TikaExtractor.java:227)
> 	at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester$PipelineAddEntryPoint.addOrReplaceDocumentWithException(IncrementalIngester.java:3224)
> 	at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester$PipelineAddFanout.sendDocument(IncrementalIngester.java:3075)
> 	at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester$PipelineObjectWithVersions.addOrReplaceDocumentWithException(IncrementalIngester.java:2706)
> 	at org.apache.manifoldcf.agents.incrementalingest.IncrementalIngester.documentIngest(IncrementalIngester.java:756)
> 	at org.apache.manifoldcf.crawler.system.WorkerThread$ProcessActivity.ingestDocumentWithException(WorkerThread.java:1583)
> 	at org.apache.manifoldcf.crawler.system.WorkerThread$ProcessActivity.ingestDocumentWithException(WorkerThread.java:1548)
> 	at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:979)
> 	at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)
> {code}
> Current workaround - to start the job again (manually or by the scheduler).
> It is clear, that there are many errors, when it makes no sense to skip a failed URL
and continue the job, e.g.:
> {code}
> Error: SmbAuthException thrown: Logon failure: unknown user name or bad password.
> {code}
> I'm thinking about a general solution, like defining a list (through the UI or properties.xml)
with non severe exceptions, like "file busy" or "symlink detected" etc, so the admins would
be able to specify, when the crawler should stop and when it should retry, skip and go further.
> What do you think?
> Thank you!



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