Here is the error on which I already spent a lot of time as well as few other people: java.lang.ClassNotFoundException: org.apache.jmeter.engine.RemoteJMeterEngineImpl_Stub I'm trying to run JMeter in a distributed environment (jmeter-server.bat) but it fails to start when looking for the org.apache.jmeter.engine.RemoteJMeterEngineImpl_Stub class. I've verified that the compilation didn't produced any error or that the class file was properly generated. I've looked at posted notes and TODO subjects but nothing mentioned this problem. I'm using JMeter 1.7beta3 on a Windows XP machine with jdk 1.2.2. Stef@SPEEDY /cygdrive/d/java/jakarta-jmeter/bin $ ./jmeter-server.bat d:\java\jakarta-jmeter\bin>set PROP=jmeter.properties d:\java\jakarta-jmeter\bin>set LOG4JCONFIG=log4j.configuration=log4j.conf d:\java\jakarta-jmeter\bin>set HOST= d:\java\jakarta-jmeter\bin>set PORT= d:\java\jakarta-jmeter\bin>IF "" == "-f" set PROP= d:\java\jakarta-jmeter\bin>IF "" == "-h" set HOST=-Dhttp.proxyHost= -Dhttps.proxyHost= d:\java\jakarta-jmeter\bin>IF "" == "-p" set PORT=-Dhttp.proxyPort= -Dhttps.proxyPort= d:\java\jakarta-jmeter\bin>IF "" == "-f" set PROP= d:\java\jakarta-jmeter\bin>IF "" == "-h" set HOST=-Dhttp.proxyHost= -Dhttps.proxyHost= d:\java\jakarta-jmeter\bin>IF "" == "-p" set PORT=-Dhttp.proxyPort= -Dhttps.proxyPort= d:\java\jakarta-jmeter\bin>IF "" == "-f" set PROP= d:\java\jakarta-jmeter\bin>IF "" == "-h" set HOST=-Dhttp.proxyHost= -Dhttps.proxyHost= d:\java\jakarta-jmeter\bin>IF "" == "-p" set PORT=-Dhttp.proxyPort= -Dhttps.proxyPort= d:\java\jakarta-jmeter\bin>set LOCALCLASSPATH=/cygdrive/d/java/jre1.2/bin:/cygdrive/d/java/jdk1.2/bin:/ cygdrive/d/java/jre1.2/lib:/cygdrive/d/java/jdk1.2/lib:/cygdrive/d/java/ jdk1.3.1_02/lib:/cygdrive/d/java/jdk1.2/lib/jndi.jar:/cygdrive/d/java/to ols/rmiregistry.jar:/cygdrive/d/java/jakarta-jmeter/bin/ApacheJMeter.jar :/cygdrive/d/java/jakarta-jmeter/lib/xerces.jar:/cygdrive/d/java/jakarta -jmeter/lib:/cygdrive/d/java/tools:/cygdrive/d/java/jakarta-ant-1.4.1/bi n:/cygdrive/d/java/jakarta-jmeter/bin:/cygdrive/d/java/jakarta-jmeter/bi n/classes/org/apache/jmeter/engine/:/cygdrive/d/java/jakarta-jmeter/bin/ classes/ d:\java\jakarta-jmeter\bin>for %i in ("..\lib\*.jar") do CALL ..\lcp %i d:\java\jakarta-jmeter\bin>CALL ..\lcp ..\lib\ant-1.3-optional.jar java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: java.lang.ClassNotFoundException: org.apache.jmeter.engine.RemoteJMeterEngineImpl_Stub java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: java.lang.ClassNotFoundException: org.apache.jmeter.engine.RemoteJMeterEngineImpl_Stub java.lang.ClassNotFoundException: org.apache.jmeter.engine.RemoteJMeterEngineImpl_Stub at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRem oteCall.java:242) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:217 ) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:351) at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source) at java.rmi.Naming.rebind(Naming.java:158) at org.apache.jmeter.engine.RemoteJMeterEngineImpl.<init>(RemoteJMeterEngin eImpl.java:85) at org.apache.jmeter.engine.RemoteJMeterEngineImpl.main(RemoteJMeterEngineI mpl.java, Compiled Code) Anybody has an idea? Thanks, Stef.