[JSch-users] SCP File transfer not completing

[Greg H. <mus...@ho...>]

Has anyone run across the problem of a large file transfer not completing?  
The program just seems to hang in apparent deadlock.  I ran some tests and 
got a javacore dump from a program that was hanging and this is what I 
found:

"main" (TID:0x300EB9B8, sys_thread_t:0x3000EE28, state:CW, native ID:0x1) 
prio=5
          at java.lang.Object.wait(Native Method)
          at java.io.PipedInputStream.receive(PipedInputStream.java(Compiled 
Code))
          at java.io.PipedInputStream.receive(PipedInputStream.java(Compiled 
Code))
          at java.io.PipedOutputStream.write(PipedOutputStream.java(Compiled 
Code))
          at 
com.mayco.qm.batch.TestSendScp.sendFile(TestSendScp.java(Compiled Code))

"Thread-6" (TID:0x300EABF8, sys_thread_t:0x651306A8, state:CW, native 
ID:0x1419) prio=5
          at java.lang.Thread.sleep(Native Method)
          at com.jcraft.jsch.Session.write(Unknown Source)
          at com.jcraft.jsch.ChannelExec.run(Unknown Source)
          at java.lang.Thread.run(Thread.java:568)

"Thread-5" (TID:0x300EAC50, sys_thread_t:0x6553CE28, state:R, native 
ID:0x1318) prio=5
          at java.net.SocketInputStream.socketRead0(Native Method)
          at java.net.SocketInputStream.read(SocketInputStream.java(Compiled 
Code))
          at com.jcraft.jsch.IO.getByte(Unknown Source)
          at com.jcraft.jsch.Session.read(Unknown Source)
          at com.jcraft.jsch.Session.run(Unknown Source)
          at java.lang.Thread.run(Thread.java:568)

I don't have much experience with analyzing java dumps but it looks to me 
like the main is waiting on the channel and the channel is sleeping.  If 
anyone has any help or ideas that would be great.  Thanks!

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