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From "Vijayaratha Vijayasingam (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (SYNAPSE-847) VFS transport throws exception, when try to pull large (>150kb) file from FTP location
Date Mon, 12 Mar 2012 11:07:42 GMT

    [ https://issues.apache.org/jira/browse/SYNAPSE-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13227430#comment-13227430
] 

Vijayaratha Vijayasingam edited comment on SYNAPSE-847 at 3/12/12 11:06 AM:
----------------------------------------------------------------------------

Thanks sadeep for the input..I have updated the patch...
We can use the AutoCloseInputstream implementation, which is available in commons.io library
to close all the input streams...Anyway at transport listener, we need to close the file object..
Where, commons-vfs lib tries to close inputstream and detach the file..So, there is a warning
comes to synapse end when vfs lib tries to close the stream..

Since we handover the inputstream closing job to another process at synapse end , I think
we can avoid this warning coming from commons-vfs library..

                
      was (Author: ratha):
    Thanks sadeep for the input..I have updated the patch...
We can use the AutoCloseInputstream implementation, which is available in commons.io library
to close all the input streams...Anyway In transport listener, we need to close the file object..
Where, commons-vfs lib tries to close inputstream and detach the file..So, there is a warning
comes to synapse end when vfs lib tries to close the stream..

Since we handover the inputstream closing job to another process at synapse end , I think
we can avoid this warning coming from commons-vfs library..

                  
> VFS transport throws exception, when try to pull large (>150kb) file from FTP location

> ---------------------------------------------------------------------------------------
>
>                 Key: SYNAPSE-847
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-847
>             Project: Synapse
>          Issue Type: Bug
>          Components: Transports
>            Reporter: Vijayaratha Vijayasingam
>            Assignee: Udayanga Wickramasinghe
>            Priority: Blocker
>             Fix For: FUTURE
>
>         Attachments: vfsTransport.patch
>
>
> When try to pull larger file from an ftp location , i face the following issue[1]..I
used following proxy configuration[2]
> The  issue is here,  vfs transport listener closes the stream before the vfs transport
sender reads it.. As a workaround, i added a Stringbuffer @ listener with a limited buffer
size to read the soap envelope..
> Attached the patch with this workaround..
> Please review and commit
> [1]
> r the specified or optional timeout
> [2012-02-29 15:39:19,321] ERROR - VFSTransportListener Error closing stream
> org.apache.commons.vfs2.FileSystemException: Could not close the input stream for file
"ftp://anonymous@localhost/in/textfile.txt?vfs.passive=true".
>         at org.apache.commons.vfs2.provider.DefaultFileContent$FileContentInputStream.close(DefaultFileContent.java:612)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.processFile(VFSTransportListener.java:566)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.scanFileOrDirectory(VFSTransportListener.java:306)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.poll(VFSTransportListener.java:157)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.poll(VFSTransportListener.java:106)
>         at org.apache.axis2.transport.base.AbstractPollingTransportListener$1$1.run(AbstractPollingTransportListener.java:67)
>         at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not get FTP file "ftp://anonymous@localhost/in/textfile.txt?vfs.passive=true".
>         at org.apache.commons.vfs2.provider.ftp.FtpFileObject$FtpInputStream.onClose(FtpFileObject.java:731)
>         at org.apache.commons.vfs2.util.MonitorInputStream.close(MonitorInputStream.java:140)
>         at java.io.BufferedInputStream.close(BufferedInputStream.java:451)
>         at org.apache.commons.vfs2.util.MonitorInputStream.close(MonitorInputStream.java:130)
>         at org.apache.commons.vfs2.provider.DefaultFileContent$FileContentInputStream.close(DefaultFileContent.java:608)
>         ... 9 more
> [2012-02-29 15:39:19,324] ERROR - VFSTransportListener Error processing File URI : ftp://anonymous@localhost/in/textfile.txt?vfs.passive=true
> org.apache.axis2.AxisFault: Error closing stream
>         at org.apache.axis2.transport.base.AbstractTransportListener.handleException(AbstractTransportListener.java:343)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.processFile(VFSTransportListener.java:568)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.scanFileOrDirectory(VFSTransportListener.java:306)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.poll(VFSTransportListener.java:157)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.poll(VFSTransportListener.java:106)
>         at org.apache.axis2.transport.base.AbstractPollingTransportListener$1$1.run(AbstractPollingTransportListener.java:67)
>         at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:173)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not close the input stream
for file "ftp://anonymous@localhost/in/textfile.txt?vfs.passi
> ve=true".
>         at org.apache.commons.vfs2.provider.DefaultFileContent$FileContentInputStream.close(DefaultFileContent.java:612)
>         at org.apache.synapse.transport.vfs.VFSTransportListener.processFile(VFSTransportListener.java:566)
>         ... 8 more
> Caused by: org.apache.commons.vfs2.FileSystemException: Could not get FTP file "ftp://anonymous@localhost/in/textfile.txt?vfs.passive=true".
>         at org.apache.commons.vfs2.provider.ftp.FtpFileObject$FtpInputStream.onClose(FtpFileObject.java:731)

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