Thanks Harsh. JarFinder helped me locating the guilty jar file. It was in the hadoop class path indeed but I didn't think it has a copy of the main class. Thanks for your help.
Ahmed Best regards, Ahmed Eldawy On Thu, May 16, 2013 at 5:56 PM, Harsh J <[email protected]> wrote: > Check your "hadoop classpath" output - check on the output if your jar > was placed on it directly. > > Alternatively, use a tool such as > https://github.com/mreid-moz/JarFinder, etc. to help you locate the > offending jar or class bits. > > On Fri, May 17, 2013 at 2:29 AM, Ahmed Eldawy <[email protected]> wrote: > > Hi all, > > I'm having a very silly problem that is making me pull the hair out of > my > > head. I created a program and generated a jar out of it. The program was > > running fine for a long time (months) and I was updating it regularly and > > everything was going fine. Just yesterday, I started to have a very weird > > case. I update my program, create the jar file, but when running the new > jar > > file, the old class is the one that is actually running. I'm sure the jar > > file was created correctly because when I run the jar file directly using > > "java -jar", it runs the correct updated class. This problem only happens > > when using hadoop. I think it caches the old class somewhere. I tried to > > restart my machine to make sure all tmp files are cleared but still the > same > > problem. I even went further by opening the jar file and deleting the > main > > class. Even after deleting the class, hadoop still runs the old class. I > > removed all classes from the jar file and left only the META-INF files > and > > it still executes the old class. > > > > I must have did something wrong in the last few days that caused this > > problem to happen but I really can't figure out what the problem is. The > > only thing I remember is that I created another hadoop installation that > > runs in different ports to try different things in both clusters. > However, I > > removed all traces of the other binary distribution and I'm currently > > running the jar file without any hadoop processes running. So, there is > no > > actual cluster running here. > > > > Please help me. > > > > Thanks > > Ahmed > > > > Best regards, > > Ahmed Eldawy > > > > -- > Harsh J >
