Hi Jason, Use the $ROOTSYS/bin/rootn.exe module instead of root.exe module. rootn.exe is linked with libNew.so that is required for TMapFile. Rene Brun Jason Lenoble wrote: > > Hi Rooters, > > I run root 3.00/06 with Linux 2.2.17-14 (RedHat 6.1). > I have just installed version 3.01/02, just in case. > When I try to create a map file , I have got the following error > message, in both cases : > > root [0] m = TMapFile::Create("test.map","RECREATE",1000000,"Memory Mapped > File") > Error in <TMapFile::TMapFile>: no memory mapped file capability > available > Error in <TMapFile::TMapFile>: mapped file not in mmalloc format or > already open in RW mode by another process > (class TMapFile*)0x871fc00 > root [1] > > Is there some environmental issues I overlooked when I installed > root on my PC ? > > Jason Lenoble > VWV WWWWW --------- RM 97 MS16B > V <(o o)> | A+ ! | Jefferson Laboratory > | _ \u/ _ __/--------- 12000 Jefferson Avenue > (_|\ /| V |\ Newport News VA 23606 > |\ \/ /\ | /\ \ Tel: Bur: ++ 1 (757) 269 7604 > ----------------oooo----------- Fax: ++ 1 (757) 269 6273 > email: lenoble@jlab.org
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