jcifs访问远程共享文件拷贝文件报错

Question

jcifs.util.transport.TransportException: Transport1 timedout waiting for response to SmbComSessionSetupAndX[command=SMB_COM_SESSION_SETUP_ANDX,received=false,errorCode=0,flags=0x0018,flags2=0xC803,signSeq=0,tid=0,pid=41752,uid=0,mid=22550,wordCount=12,byteCount=71,andxCommand=0xFF,andxOffset=0,snd_buf_size=16644,maxMpxCount=10,VC_NUMBER=1,sessionKey=0,lmHash.length=0,ntHash.length=0,capabilities=-2147483564,accountName=null,primaryDomain=null,NATIVE_OS=Linux,NATIVE_LANMAN=jCIFS]
at jcifs.util.transport.Transport.sendrecv(Transport.java:73)
at jcifs.smb.SmbTransport.send(SmbTransport.java:633)
at jcifs.smb.SmbSession.sessionSetup(SmbSession.java:395)
at jcifs.smb.SmbSession.send(SmbSession.java:224)
at jcifs.smb.SmbTree.treeConnect(SmbTree.java:176)
at jcifs.smb.SmbFile.doConnect(SmbFile.java:906)
at jcifs.smb.SmbFile.connect(SmbFile.java:949)
at jcifs.smb.SmbFile.connect0(SmbFile.java:875)
at jcifs.smb.SmbFile.open0(SmbFile.java:965)
at jcifs.smb.SmbFile.open(SmbFile.java:999)
at jcifs.smb.SmbFileInputStream.readDirect(SmbFileInputStream.java:154)
at jcifs.smb.SmbFileInputStream.read(SmbFileInputStream.java:142)
at jcifs.smb.SmbFileInputStream.read(SmbFileInputStream.java:132)
at util.FileUtils.readFromSmb(FileUtils.java:73)
at util.mediaupload.UploadTask.run(UploadTask.java:73)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Answer 1

1.Is it possible that you are trying to access the same SmbFile instance with multiple threads? JCIFS is thread-safe but you cannot concurrently access the same SmbFile with multiple threads.
2.Is it possible that the VM is too busy or the VM is running out of memory?