NFS - Buffer Overflow

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10-15-2012 08:06 AM
Hi,
I have installed Alfresco 4.0.b with NFS.
In my alfresco-global.properties :
In my log, all seems to be ok with NFS:
My Alfresco server start and all is ok but suddently, i have this error which is repeated. This error doesn't block the access to Alfresco so all the alfresco functionnality is working perfectly except the NFS part.
This error doesn't come if i disable NFS so NFS configuration (or others ??) must be the problem but i don't know what i have to do ?
Any ideas ? Thanks for your help
I have installed Alfresco 4.0.b with NFS.
In my alfresco-global.properties :
### NFS Configuration ###nfs.enabled=truenfs.mountServerPort=2250nfs.nfsServerPort=2249nfs.rpcRegisterPort=0nfs.portMapperPort=1111nfs.portMapperEnabled=truenfs.sessionDebug=ERRORnfs.mountServerDebug=truenfs.user.mappings=admin,admin.rfdnfs.user.mappings.value.admin.uid=0nfs.user.mappings.value.admin.gid=0nfs.user.mappings.value.toto.uid=1200nfs.user.mappings.value.toto.gid=1200
In my log, all seems to be ok with NFS:
11:50:32,568 DEBUG [org.alfresco.nfs.protocol.auth] Added RPC user mapping for user admin uid=0, gid=011:50:32,568 DEBUG [org.alfresco.nfs.protocol.auth] Added RPC user mapping for user toto uid=1200, gid=120011:50:32,669 INFO [org.alfresco.fileserver] Filesystem cluster cache not enabled11:50:32,730 INFO [org.alfresco.fileserver] CIFS server NOT started11:50:32,730 INFO [org.alfresco.fileserver] FTP server NOT started11:50:32,731 INFO [org.alfresco.fileserver] NFS server started11:50:32,743 INFO [org.alfresco.nfs.server] Starting server Portmap …11:50:32,766 INFO [org.alfresco.nfs.server] Starting server Mount …11:50:32,795 DEBUG [org.alfresco.fileserver] [Mount] Register server RPC [100005:1,UDP,2250] …11:50:32,796 DEBUG [org.alfresco.fileserver] [Mount] Registered successfully, [100005:1,UDP,2250]11:50:32,796 DEBUG [org.alfresco.fileserver] [Mount] Register server RPC [100005:3,UDP,2250] …11:50:32,796 DEBUG [org.alfresco.fileserver] [Mount] Registered successfully, [100005:3,UDP,2250]11:50:32,796 DEBUG [org.alfresco.fileserver] [Mount] Register server RPC [100005:1,TCP,2250] …11:50:32,796 DEBUG [org.alfresco.fileserver] [Mount] Registered successfully, [100005:1,TCP,2250]11:50:32,797 DEBUG [org.alfresco.fileserver] [Mount] Register server RPC [100005:3,TCP,2250] …11:50:32,797 DEBUG [org.alfresco.fileserver] [Mount] Registered successfully, [100005:3,TCP,2250]11:50:32,802 INFO [org.alfresco.nfs.server] Starting server NFS …11:50:32,823 DEBUG [org.alfresco.fileserver] [NFS] Register server RPC [100003:3,UDP,2249] …11:50:32,823 DEBUG [org.alfresco.fileserver] [NFS] Registered successfully, [100003:3,UDP,2249]11:50:32,823 DEBUG [org.alfresco.fileserver] [NFS] Register server RPC [100003:3,TCP,2249] …11:50:32,824 DEBUG [org.alfresco.fileserver] [NFS] Registered successfully, [100003:3,TCP,2249]
My Alfresco server start and all is ok but suddently, i have this error which is repeated. This error doesn't block the access to Alfresco so all the alfresco functionnality is working perfectly except the NFS part.
…11:51:04,027 ERROR [org.alfresco.fileserver] Error from JLANjava.io.IOException: Receive RPC buffer overflow, fragment len = 1903520116 at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.receiveRpc(TcpRpcPacketHandler.java:345) at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.receiveRpc(TcpRpcPacketHandler.java:288) at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.run(TcpRpcPacketHandler.java:181) at java.lang.Thread.run(Thread.java:662)11:51:04,033 ERROR [org.alfresco.fileserver] Error from JLANjava.io.IOException: Receive RPC buffer overflow, fragment len = 218788213 at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.receiveRpc(TcpRpcPacketHandler.java:345) at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.receiveRpc(TcpRpcPacketHandler.java:288) at org.alfresco.jlan.oncrpc.TcpRpcPacketHandler.run(TcpRpcPacketHandler.java:181) at java.lang.Thread.run(Thread.java:662)…
This error doesn't come if i disable NFS so NFS configuration (or others ??) must be the problem but i don't know what i have to do ?
Any ideas ? Thanks for your help
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10-15-2012 08:47 AM
Please raise in JIRA (issues.alfresco.com)

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10-16-2012 10:31 AM

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10-18-2012 03:25 AM
I reopen this subject because the JRA results is :
Configuration issues should be resolved by Alfresco Support or by receiving help on the forums.
Please add a comment here with a link to the forum post, once created, and we'll try to get the JLAN and NFS developer (Gary) to take a look.
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10-18-2012 05:07 AM
I don't think this is a configuration issue. Please provide details of your NFS clients and a packet trace.
