sftp - Configuring timeout on JSch ChannelSftp operations -


i using jsch library list , download files sftp server.
channel channel = this.session.openchannel(sftp_channel_name);
channel.connect();
sftpchannel = (channelsftp) channel;
vector listing = sftpchannel.ls("*");

while calling ls, application thread getting stuck sometimes.

thread dump -
thread 15108: (state = blocked)
java.lang.object.wait(long) @bci=0 (compiled frame; information may imprecise)
java.io.pipedinputstream.read() @bci=142, line=310 (compiled frame)
java.io.pipedinputstream.read(byte[], int, int) @bci=43, line=361 (compiled frame)
com.jcraft.jsch.channelsftp.fill(byte[], int, int) @bci=17, line=2527 (compiled frame)
com.jcraft.jsch.channelsftp.header(com.jcraft.jsch.buffer, com.jcraft.jsch.channelsftp$header) @bci=12, line=2553 (interpreted frame)
com.jcraft.jsch.channelsftp.ls(java.lang.string) @bci=298, line=1424 (interpreted frame)

is there way configure timeout on ls , other methods? saw setting timeout on channel.connect(timeout) sets timeout while connecting remote server.

the correct way prevent commands sticking set serveraliveinterval on session. sourcecode:

  /**    * sets interval send keep-alive message.  if 0    * specified, keep-alive message must not sent.  default interval    * zero.    * @param interval specified interval, in milliseconds.    * @see #getserveraliveinterval()    */   public void setserveraliveinterval(int interval) throws jschexception {     settimeout(interval);     this.serveraliveinterval=interval;   }

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