problem in calling java class from servlet in window 7 using apache server

hi all,
             I am running a servlet on apache server in window 7. I am calling a java class from servlet. But what is problem with me. I compiled my java class fine which been called from servlet then after i try to compile to servlet but this time i got an error from compiler for servlet file is that:

java class (class name here) file not found   (for which i am creating object in servlet file)

i am getting errors in all line where i created object to invoke the java class file because specific java file is not found by compiler. both file are in same folder on server c:\.................../WEB-INF/classes
please help me what should i do....

Java server problem in window 7

Hi all Friends

I have installed java in my window 7 operating system. I am trying to run my apache server on this OS. when i trying to start the server a command prompt window run and disappeared after 1 second and i am new to java please help me what is problem. Is window 7 is a problem and me should use window xp or what is way and problem with me please help me