java.lang.NullPointerException on CD

[ivanpedruzzi]

We are running the latest version and, we are experiencing NPE with the following stack with some SFTP servers on CD

any idea why this is happening?

Caused by: java.lang.NullPointerException
at com.jcraft.jsch.ChannelSftp.sendPacketPath(ChannelSftp.java:2537)
at com.jcraft.jsch.ChannelSftp.sendPacketPath(ChannelSftp.java:2533)
at com.jcraft.jsch.ChannelSftp.sendREALPATH(ChannelSftp.java:2429)
at com.jcraft.jsch.ChannelSftp._realpath(ChannelSftp.java:2273)
at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:330)

{UPDATE] here an additional stack we are seeing

Caused by: java.lang.IndexOutOfBoundsException
at java.io.PipedInputStream.read(PipedInputStream.java:371)
at com.jcraft.jsch.ChannelSftp.fill(ChannelSftp.java:2866)
at com.jcraft.jsch.ChannelSftp.fill(ChannelSftp.java:2858)
at com.jcraft.jsch.ChannelSftp._stat(ChannelSftp.java:2153)
at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:331)