oo7 - opp error

Hey, 
At moment the OO7_*Impl compilation (opp BenchmarkImpl), I see the
error bellow (ClassNotFoundException). But all classes are in the
correct directory. So, I dont know why see this exception. Is it a
Java or Ozone problem?
(System Configuration: win2003, j2sdk 1.4.1)
===================
Exception 
===================
C:\ozone-1.1-src-simple\classes>opp BenchmarkImpl
BenchmarkImpl:
java.lang.ClassNotFoundException: BenchmarkImpl
        at java.net.URLClassLoader$1.run(URLClassLoader.java:198)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:140)
        at org.ozoneDB.tools.OPP.OPP.makeProxy(OPP.java:224)
        at org.ozoneDB.tools.OPP.OPP.makeProxies(OPP.java:199)
        at org.ozoneDB.tools.OPP.OPP.main(OPP.java:147)

===================
Win currently directory 
===================
C:\ozone-1.1-src-simple\classes>dir

30/01/2005  20:48    <DIR>          .
30/01/2005  20:48    <DIR>          ..
30/01/2005  21:11    <DIR>          org
02/02/2005  06:25               467 Benchmark.class
02/02/2005  06:25            12.952 BenchmarkImpl.class
02/02/2005  06:25               386 OO7_Module.class
02/02/2005  06:25               309 OO7_DesignObject.class
02/02/2005  06:25               361 OO7_Manual.class
02/02/2005  06:25               327 OO7_Assembly.class
02/02/2005  06:25               260 OO7_ComplexAssembly.class
02/02/2005  06:25               542 OO7_CompositePart.class
02/02/2005  06:25               315 OO7_Document.class
02/02/2005  06:25               341 OO7_BaseAssembly.class
02/02/2005  06:25               457 OO7_AtomicPart.class
02/02/2005  06:25               375 OO7_Connection.class
02/02/2005  06:25               858 OO7_AssemblyImpl.class
02/02/2005  06:25               806 OO7_DesignObjectImpl.class
02/02/2005  06:25             1.543 OO7_AtomicPartImpl.class
02/02/2005  06:25             1.079 OO7_BaseAssemblyImpl.class
02/02/2005  06:25               787 OO7_ComplexAssemblyImpl.class
30/01/2005  21:00             1.014 OO7_ComplexAssembly.java
30/01/2005  21:02             1.387 Benchmark.java
30/01/2005  21:02            25.735 BenchmarkImpl.java
30/01/2005  21:02             1.087 OO7_Assembly.java
30/01/2005  21:02             1.406 OO7_AtomicPart.java
30/01/2005  22:11    <DIR>          junit
02/02/2005  06:25             1.654 OO7_CompositePartImpl.class
02/02/2005  06:25               989 OO7_ConnectionImpl.class
02/02/2005  06:25               919 OO7_DocumentImpl.class
02/02/2005  06:25             1.571 OO7_ManualImpl.class
02/02/2005  06:25               982 OO7_ModuleImpl.class
30/01/2005  21:02             1.267 OO7_BaseAssembly.java
30/01/2005  21:02             1.956 OO7_BaseAssemblyImpl.java
30/01/2005  21:02             1.451 OO7_ComplexAssemblyImpl.java
30/01/2005  21:02             1.548 OO7_CompositePart.java
30/01/2005  21:02             2.509 OO7_CompositePartImpl.java
30/01/2005  21:02               999 OO7_Connection.java
30/01/2005  21:02             1.452 OO7_ConnectionImpl.java
30/01/2005  21:02               887 OO7_DesignObject.java
30/01/2005  21:02             1.252 OO7_DesignObjectImpl.java
30/01/2005  21:02             1.099 OO7_Document.java
30/01/2005  21:02             1.598 OO7_DocumentImpl.java
30/01/2005  21:02               960 OO7_Manual.java
30/01/2005  21:02             1.774 OO7_ManualImpl.java
30/01/2005  21:02               967 OO7_Module.java
30/01/2005  21:02             1.394 OO7_ModuleImpl.java
30/01/2005  21:11             1.552 OO7_AssemblyImpl.java
30/01/2005  21:11             2.317 OO7_AtomicPartImpl.java
              44 arquivo(s)         83.891 bytes
               4 pasta(s)    3.309.617.152 bytes disponíveis


===================
System Variables
===================
CLASSPATH=C:\ozone-1.1-src-simple\classes;C:\j2sdk1.4.1_01\jre\lib\ext;C:\j2sdk1.4.1_01\jre\lib\ext\ozone-1.1.jar;C:\j2sdk1.4.1_01\jre\lib\ext\log4j-1.2.jar
OZONE_HOME=C:\ozone-1.1-src-simple
Path=%windir%;C:\ozone-1.1-src-simple\new-bin;C:\j2sdk1.4.1_01\bin;C:\ozone-1.1-src-simple\classes
JAVA_HOME=C:\j2sdk1.4.1_01

NUMBER_OF_PROCESSORS=1
OS=Windows_NT
SystemDrive=C:
SystemRoot=C:\WINDOWS


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