GabriRuflex opened a new issue, #275:
URL: https://github.com/apache/mina-sshd/issues/275
### Version
2.9.2
### Bug description
On specific devices I got BufferException exception when I open new SFTP
session in order to upload a local file to the remote device.
This is the code I use:
```
...
byte[] localfileBytes = new FileInputStream(localfilepath).readAllBytes();
try (SftpClient sftp =
DefaultSftpClientFactory.INSTANCE.createSftpClient(session)) {
try (SftpClient.CloseableHandle handle = sftp.open(remotefilepath,
EnumSet.of(SftpClient.OpenMode.Write,
SftpClient.OpenMode.Create))) {
sftp.write(handle, 0, localfileBytes, 0, localfileBytes.length);
} catch (IOException e) {}
} catch (IOException e) {}
...
```
### Actual behavior
The file is not uploaded to the remote device. I tried with both relative
and absolute paths.
### Expected behavior
The file must be uploaded to the remote device.
### Relevant log output
```Shell
org.apache.sshd.common.util.buffer.BufferException: Underflow: requested=4,
available=0
at
deployment.test.ear//org.apache.sshd.common.util.buffer.Buffer.ensureAvailable(Buffer.java:635)
at
deployment.test.ear//org.apache.sshd.common.util.buffer.Buffer.getUInt(Buffer.java:281)
at
deployment.test.ear//org.apache.sshd.common.util.buffer.Buffer.getInt(Buffer.java:277)
at
deployment.test.ear//org.apache.sshd.common.util.buffer.ByteArrayBuffer.getString(ByteArrayBuffer.java:240)
at
deployment.test.ear//org.apache.sshd.common.util.buffer.Buffer.getString(Buffer.java:309)
at
deployment.test.ear//org.apache.sshd.sftp.client.impl.AbstractSftpClient.checkHandleResponse(AbstractSftpClient.java:248)
at
deployment.test.ear//org.apache.sshd.sftp.client.impl.AbstractSftpClient.checkHandle(AbstractSftpClient.java:232)
at
deployment.test.ear//org.apache.sshd.sftp.client.impl.AbstractSftpClient.open(AbstractSftpClient.java:573)
at
deployment.test.ear//com.test.UploadFile.upload(UploadFile.java:106)
```
### Other information
The local device run OpenSSH 8.0p1.
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