This happened once:
Caused by: java.lang.NullPointerException
at com.jcraft.jsch.ChannelSftp.fill(ChannelSftp.java:2313)
at com.jcraft.jsch.ChannelSftp.header(ChannelSftp.java:2339)
at com.jcraft.jsch.ChannelSftp.checkStatus(ChannelSftp.java:1920)
at com.jcraft.jsch.ChannelSftp.access$200(ChannelSftp.java:36)
at com.jcraft.jsch.ChannelSftp$1.flush(ChannelSftp.java:708)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124)
at
org.apache.commons.vfs.util.MonitorOutputStream.flush(MonitorOutputStream.java:96)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124)
at
org.apache.commons.vfs.util.MonitorOutputStream.flush(MonitorOutputStream.java:96)
at java.io.FilterOutputStream.close(FilterOutputStream.java:140)
at
org.apache.commons.vfs.util.MonitorOutputStream.close(MonitorOutputStream.java:55)
at
org.apache.commons.vfs.provider.DefaultFileContent$FileContentOutputStream.close(DefaultFileContent.java:638)
at
org.apache.commons.vfs.provider.FileContentThreadData.closeOutstr(FileContentThreadData.java:104)
at
org.apache.commons.vfs.provider.DefaultFileContent.close(DefaultFileContent.java:458)
at
org.apache.commons.vfs.provider.AbstractFileObject.close(AbstractFileObject.java:1117)
[...]
As we have a slightly patched .0.1.36 version here's the right line
2309 private int fill(byte[] buf, int s, int len) throws IOException{
2310 int i=0;
2311 int foo=s;
2312 while(len>0){
2313 i=io.in.read(buf, s, len);
2314 if(i<0){
2315 throw new IOException("inputstream is closed");
2316 //return (s-foo)==0 ? i : s-foo;
2317 }
2318 s+=i;
2319 len-=i;
2320 }
2321 return s-foo;
2322 }
Hard to reproduce.
io.in was probably nulled somewhere.
If I remember well, this happens if there's a failure somewhere else
and the main session thread is closed.
But basically the access to io / io.in should be made thread safe.
Cheers,
Jerome
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