Hi YunHee,
Great job. Can you please file a JIRA issue for this and upload
a patch file?
Thank you!
Cheers,
Chris
On Aug 6, 2012, at 1:28 AM, YunHee Kang wrote:
> Hi Brian,
>
> I just have fixed the problem I had related with sftp protocol in
> pushpull framework.
> To fix it, I just added the following statement in the method
> connect() in the file JschSftpProtocol.java.
> session.setConfig("StrictHostKeyChecking", "no");
>
> You can get more details about the above statement in the following:
> http://www.mail-archive.com/[email protected]/msg00393.html
>
> Thanks,
> Yunhee
>
>
>
>
> 2012/8/6 YunHee Kang <[email protected]>:
>> Hi Brian,
>>
>> I tried to download a file with sftp protocol in pushpull framework
>> and got two warnings and a severe error message as follows:
>> WARNING: Error occurred while connecting to RemoteSite: alias =
>> 'SCPTESL2CO2' url = 'sftp://agent.bu.ac.kr' username = 'yhkang'
>> cdTestDir = 'null' maxConnections = '-1' : Failed to connect to host
>> agent.bu.ac.kr : reject HostKey: agent.bu.ac.kr
>> Aug 6, 2012 2:13:48 PM
>> org.apache.oodt.cas.pushpull.protocol.ProtocolHandler
>> getAppropriateProtocolBySite
>> WARNING: ProtocolFactory
>> org.apache.oodt.cas.protocol.sftp.JschSftpProtocolFactory is not
>> compatible with server at sftp://agent.bu.ac.kr
>> Aug 6, 2012 2:13:48 PM
>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup
>> retrieveFiles
>> SEVERE: Failed to finish downloading per property files
>> /home/yhkang/oodt-0.5/cas-pushpull/etc/examples/DirStructXmlParserFiles/SCPTESL2CO2.xml
>> : Failed to get appropriate protocol for RemoteSite: alias =
>> 'SCPTESL2CO2' url = 'sftp://agent.bu.ac.kr' username = 'yhkang'
>> cdTestDir = 'null' maxConnections = '-1'
>> org.apache.oodt.cas.protocol.exceptions.ProtocolException: Failed to
>> get appropriate protocol for RemoteSite: alias = 'SCPTESL2CO2' url =
>> 'sftp://agent.bu.ac.kr' username = 'yhkang' cdTestDir = 'null'
>> maxConnections = '-1'
>> at
>> org.apache.oodt.cas.pushpull.protocol.ProtocolHandler.getAppropriateProtocolBySite(ProtocolHandler.java:166)
>> at
>> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.changeToDir(FileRetrievalSystem.java:304)
>> at
>> org.apache.oodt.cas.pushpull.retrievalmethod.RemoteCrawler.processPropFile(RemoteCrawler.java:104)
>> at
>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup.retrieveFiles(RetrievalSetup.java:109)
>> at org.apache.oodt.cas.pushpull.daemon.Daemon$1.run(Daemon.java:218)
>> at java.lang.Thread.run(Thread.java:662)
>> Aug 6, 2012 2:13:48 PM org.apache.oodt.cas.pushpull.daemon.Daemon$1 run
>> INFO: Daemon with ID = 90121 on RMI registry port 9012 is shutting down
>>
>> I think the warning message is related with an exception occurred in
>> the method connect() of JschSftpClient.java:
>> protected void connect(String host, final String username,
>> final String password) throws ProtocolException {
>> try {
>> System.out.println(System.getProperty("user.home") +
>> "/.ssh/known_hosts");
>> jsch.setKnownHosts(System.getProperty("user.home") +
>> "/.ssh/known_hosts");
>> session = jsch.getSession(username, this.getRemoteSite().getURL()
>> .getHost(), 22);
>> session.setPassword(password);
>> session.connect();
>> sftpChannel = (ChannelSftp) session.openChannel("sftp");
>> sftpChannel.connect();
>> } catch (Exception e) {
>> throw new ProtocolException("Failed to connect to host " + host + " : "
>> + e.getMessage());
>> }
>> }
>>
>> I make sure that there is no problem when downloading a file by scp
>> command without any password as follows:
>> scp
>> [email protected]://home/yhkang/oodt-0.5/TL2CO2N.005/2004.09.20/TES-Aura_L2-CO2-Nadir_r0000002147_F06_09.he5
>> .
>> TES-Aura_L2-CO2-Nadir_r0000002147_F06_09.he5 100% 88MB 87.9MB/s 00:01
>>
>> Let me know how to fix the problem.
>>
>> Thanks,
>> Yunhee
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Chris Mattmann, Ph.D.
Senior Computer Scientist
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 171-266B, Mailstop: 171-246
Email: [email protected]
WWW: http://sunset.usc.edu/~mattmann/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Adjunct Assistant Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
