Hello,
Did you find a solution for your problem? I'm having the same issue opening cad drawings made of parts stored on an Alfresco CIFS share.
2012-08-27 13:19:38,669 ERROR [org.alfresco.fileserver] [AlfJLANWorker5] Failed to send local oplock break:
2012-08-27 13:19:38,672 ERROR [org.alfresco.fileserver] [AlfJLANWorker5] Error from JLAN
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:29)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:100)
at sun.nio.ch.IOUtil.write(IOUtil.java:71)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:334)
at org.alfresco.jlan.smb.server.nio.ChannelPacketHandler.writeBytes(ChannelPacketHandler.java:127)
at org.alfresco.jlan.smb.server.nio.TcpipSMBChannelHandler.writePacket(TcpipSMBChannelHandler.java:161)
at org.alfresco.jlan.smb.server.PacketHandler.writePacket(PacketHandler.java:215)
at org.alfresco.jlan.smb.server.SMBSrvSession.sendResponseSMB(SMBSrvSession.java:1617)
at org.alfresco.jlan.smb.server.SMBSrvSession.sendAsynchResponseSMB(SMBSrvSession.java:1854)
at org.alfresco.jlan.server.locking.LocalOpLockDetails.requestOpLockBreak(LocalOpLockDetails.java:383)
at org.alfresco.jlan.server.filesys.cache.FileStateCache.requestOplockBreak(FileStateCache.java:431)
at org.alfresco.jlan.server.filesys.cache.FileStateLockManager.requestOpLockBreak(FileStateLockManager.java:343)
at org.alfresco.jlan.smb.server.NTProtocolHandler.checkOpLock(NTProtocolHandler.java:7836)
at org.alfresco.jlan.smb.server.NTProtocolHandler.procNTCreateAndX(NTProtocolHandler.java:5952)
at org.alfresco.jlan.smb.server.NTProtocolHandler.runProtocol(NTProtocolHandler.java:314)
at org.alfresco.jlan.smb.server.SMBSrvSession.runHandler(SMBSrvSession.java:1354)
at org.alfresco.jlan.smb.server.SMBSrvSession.processPacket(SMBSrvSession.java:1448)
at org.alfresco.jlan.smb.server.nio.NIOCIFSThreadRequest.runRequest(NIOCIFSThreadRequest.java:138)
at org.alfresco.jlan.server.thread.ThreadRequestPool$ThreadWorker.run(ThreadRequestPool.java:153)
at java.lang.Thread.run(Thread.java:662)
Thanks,
Glenn