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From "Jefferson Madalena (JIRA)" <j...@apache.org>
Subject [jira] [Created] (NET-578) FTPScclient through http proxy
Date Wed, 15 Jul 2015 19:27:04 GMT
Jefferson Madalena created NET-578:
--------------------------------------

             Summary: FTPScclient through http proxy
                 Key: NET-578
                 URL: https://issues.apache.org/jira/browse/NET-578
             Project: Commons Net
          Issue Type: Bug
          Components: FTP
    Affects Versions: 3.3
         Environment: Linux 3.0.101-0.21-default x86_64
Java 1.8 update 45 64-bit
            Reporter: Jefferson Madalena


I'm trying to develop a Java FTPS client using Apache Commons Net library. To run de code
I'm using Java 8, update 45.

The exception occurs when I'm invoking the method "retrieveFile". I'm not sure, but I belive
the connection used to tranfer the file is not using the HTTP proxy specified in code.

With FileZilla client I can tranfer files using the same configurations.

How can I fix this problem?

{code:title=My code|borderStyle=solid}
// client with explicit security
FTPSClient ftps = new FTPSClient(false);
// HTTP proxy configuration
Proxy proxy = new Proxy(Type.HTTP, new InetSocketAddress("<REMOVED_FOR_SERCURITY>",
<REMOVED_FOR_SERCURITY>));
ftps.setProxy(proxy);
// to show FTP commands in prompt
ftps.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
// disable remote host verification
ftps.setRemoteVerificationEnabled(false);
// trust in ALL
ftps.setTrustManager(TrustManagerUtils.getAcceptAllTrustManager());
// send keepAlive every 30 seconds
ftps.setControlKeepAliveTimeout(10l);
// data transfer timeout
ftps.setDataTimeout(30000);

// connect
ftps.connect("<REMOVED_FOR_SERCURITY>", <REMOVED_FOR_SERCURITY>);
ftps.login("<REMOVED_FOR_SERCURITY>", "<REMOVED_FOR_SERCURITY>");

// config
ftps.setCharset(Charset.forName("UTF-8"));
ftps.setBufferSize(0);
ftps.setFileType(FTP.BINARY_FILE_TYPE);
ftps.enterLocalPassiveMode();
ftps.execPROT("P");

// ... do some operations
ftps.retrieveFile("/dir1/dir2/fileX.zip", new ByteArrayOutputStream());

// close
ftps.logout();
ftps.disconnect();
{code}

The output:
{noformat}
220 (vsFTPd 2.2.2)
AUTH TLS
234 Proceed with negotiation.
USER *******
331 Please specify the password.
PASS *******
230 Login successful.
TYPE I
200 Switching to Binary mode.
PROT P
200 PROT now Private.
PASV
227 Entering Passive Mode (<REMOVED_FOR_SERCURITY>).
Exception in thread "main" java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:589)
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:656)
    at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:894)
    at org.apache.commons.net.ftp.FTPSClient._openDataConnection_(FTPSClient.java:600)
    at org.apache.commons.net.ftp.FTPClient._retrieveFile(FTPClient.java:1854)
    at org.apache.commons.net.ftp.FTPClient.retrieveFile(FTPClient.java:1845)
    at br.com.bat.crm.test.util.FTPSClientTest.main(FTPSClientTest.java:57)
{noformat}



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