uttamgupta commented on issue #658:
URL: https://github.com/apache/mina-sshd/issues/658#issuecomment-2751940065
I have another question related to SFTP client. It would be great if there
is question answer tab like issues. Actually I am facing some issue when we
upload download from several threads (~10) then some time I get exception
DefaultOpenFuture[SftpChannelSubsystem[id=18,
recipient=-1]-ClientSessionImpl[root@<serverip>:22][sftp]]: Failed
(SshChannelOpenException) to execute: open failed and sometime Channel id=9 not
registered because session is being closed: SftpChannelSubsystem[id=9,
recipient=-1]-ClientSessionImpl[<serverip>:22][sftp].
I know that I am not handling properly. Can you help on this? See code
snippet below-
`private SftpClient getSftpClient() throws SshClientException {
int count = 1;
SftpClient sftpClient = null;
while (count <= 3 && (sftpClient == null)) {
try {
sftpClient =
SftpClientFactory.instance().createSftpClient(getSession());
System.out.println("Created sftp client");
} catch (Exception e) {
System.out.println("Failed to create sftp client");
if (count == 3) {
throw new SshClientException(
hostname, "Failed to create sftp client after
multiple retry ", e);
}
try {
System.out.println("Waiting 2 seconds to create sftp
client");
Thread.sleep(2000);
} catch (InterruptedException ex) {
throw new RuntimeException(ex);
}
++count;
}
}
return sftpClient;
}
//Using here -
private void upload(final InputStream localInputStream, final String
remoteFile) {
try (SftpClient sftpClient = getSftpClient()) {
System.out.println("Sftp Id: " + sftpClient);
sftpClient.put(localInputStream, remoteFile);
} catch (IOException e) {
throw new SshClientException(
hostname, "Failed to upload file to " + remoteFile + "
via ssh", e);
// throw new
VcfSshException(VcfSshErrorCodes.FILE_UPLOAD_FAILED.withArgs(destinationPath),
// e);
}
}
`
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