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Posted to dev@mina.apache.org by "Guillaume Nodet (Jira)" <ji...@apache.org> on 2020/09/17 14:50:00 UTC
[jira] [Resolved] (SSHD-1071) SFTPFileSystem file copy to remote
SFTP Server fails with buffer size 64K
[ https://issues.apache.org/jira/browse/SSHD-1071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guillaume Nodet resolved SSHD-1071.
-----------------------------------
Fix Version/s: 2.6.0
Assignee: Guillaume Nodet
Resolution: Fixed
> SFTPFileSystem file copy to remote SFTP Server fails with buffer size 64K
> --------------------------------------------------------------------------
>
> Key: SSHD-1071
> URL: https://issues.apache.org/jira/browse/SSHD-1071
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.5.1
> Reporter: Sreedhar J
> Assignee: Guillaume Nodet
> Priority: Minor
> Fix For: 2.6.0
>
> Attachments: apache_sshd_2.5.1_sftpclient.log
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Hi, I am trying to put a file to remote SFTP Server using SFTPFileSystem copy method. It works will when I set the buffersize to 32K. But with buffer size set to 64K, getting an exception.
>
> Here is the code
>
> {code}
> public void putFile (String localFileName, String remoteFileName) throws IOException {
> SftpClientFactory factory = SftpClientFactory.instance();
> SftpFileSystem fs = factory.createSftpFileSystem(session);
> fs.setReadBufferSize(65536);
> fs.setWriteBufferSize(65536);
> // fs.setReadBufferSize( 32768);
> // fs.setWriteBufferSize(32768);
> Path localFile = Paths.get( localFileName);
> Path remoteFile = fs.getPath(remoteFileName);
> Files.copy( localFile, remoteFile);
> }
> {code}
>
> Here is the Stacktrace
> {code}
> 5827 2020-09-01 22:00:17,248 [NioProcessor-2] DEBUG org.apache.sshd.client.subsystem.sftp.impl.DefaultSftpClient$SftpChannelSubsystem - close(SftpChannelSubsystem[id=0, recipient=0]-ClientSessionImpl[jsreedha@/10.15.102.66:22][sftp]][Graceful] - operationComplete() closed
> Exception in thread "main" java.io.EOFException: Channel is being closed
> at org.apache.sshd.common.channel.AbstractChannel$2.<init>(AbstractChannel.java:794)
> at org.apache.sshd.common.channel.AbstractChannel.writePacket(AbstractChannel.java:792)
> at org.apache.sshd.common.channel.ChannelAsyncOutputStream.doWriteIfPossible(ChannelAsyncOutputStream.java:168)
> at org.apache.sshd.common.channel.ChannelAsyncOutputStream.onWritten(ChannelAsyncOutputStream.java:194)
> at org.apache.sshd.common.channel.ChannelAsyncOutputStream.lambda$doWriteIfPossible$2(ChannelAsyncOutputStream.java:169)
> at org.apache.sshd.common.channel.ChannelAsyncOutputStream$$Lambda$100.00000000135A3070.operationComplete(Unknown Source)
> at org.apache.sshd.common.future.AbstractSshFuture.notifyListener(AbstractSshFuture.java:173)
> at org.apache.sshd.common.future.DefaultSshFuture.notifyListeners(DefaultSshFuture.java:209)
> at org.apache.sshd.common.future.DefaultSshFuture.setValue(DefaultSshFuture.java:112)
> at org.apache.sshd.common.io.mina.MinaSession$Future.setWritten(MinaSession.java:195)
> at org.apache.sshd.common.io.mina.MinaSession.lambda$write$2(MinaSession.java:183)
> at org.apache.sshd.common.io.mina.MinaSession$$Lambda$57.0000000011860FB0.operationComplete(Unknown Source)
> at org.apache.mina.core.future.DefaultIoFuture.notifyListener(DefaultIoFuture.java:423)
> at org.apache.mina.core.future.DefaultIoFuture.notifyListeners(DefaultIoFuture.java:407)
> at org.apache.mina.core.future.DefaultIoFuture.setValue(DefaultIoFuture.java:327)
> at org.apache.mina.core.future.DefaultWriteFuture.setWritten(DefaultWriteFuture.java:103)
> at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageSent(DefaultIoFilterChain.java:656)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.fireMessageSent(AbstractPollingIoProcessor.java:1224)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.writeBuffer(AbstractPollingIoProcessor.java:1132)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.flushNow(AbstractPollingIoProcessor.java:994)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.flush(AbstractPollingIoProcessor.java:921)
> at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:688)
> at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at java.lang.Thread.run(Thread.java:818)
> Suppressed: java.io.IOException: close(100mb.txt: 00000000) client is closed
> at org.apache.sshd.client.subsystem.sftp.impl.AbstractSftpClient.close(AbstractSftpClient.java:720)
> at org.apache.sshd.client.subsystem.sftp.impl.DefaultCloseableHandle.close(DefaultCloseableHandle.java:53)
> at org.apache.sshd.client.subsystem.sftp.impl.SftpOutputStreamAsync.close(SftpOutputStreamAsync.java:256)
> at java.nio.file.Files.copy(Files.java:3039)
> at java.nio.file.CopyMoveHelper.copyToForeignTarget(CopyMoveHelper.java:137)
> at java.nio.file.Files.copy(Files.java:1288)
> at com.b2b.sftp.apache.sftpclient.ClientTest.putFile(ClientTest.java:156)
> at com.b2b.sftp.apache.sftpclient.ClientTest.main(ClientTest.java:178)
> {code}
>
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