Getting runtime error when i am deploying my ear file in weblogic8.1

I deployed my ear file into weblogic server, the below error i got in console of weblogic server. please tell where i need to setup class path. I am using eclipse as IDE and running the project in eclipse.

How can i set classpath in weblogic server ? Give me step by step please.

<May 25, 2006 8:13:45 PM GMT+05:30> <Error> <HTTP> <BEA-101017> <[ServletContext(id=19766836,name=MarketFusionCom.war,context-path=)] Root cause of ServletException.

weblogic.servlet.jsp.CompilationException: Compilation of C:\bea\user_projects\domains\mydomain\marketfusioncom\jsp_servlet\__index.java failed.java.io.IOException: CreateProcess: javac -classpath "C:\bea\user_projects\domains\mydomain\MarketFusionServer\.wlnotdelete\extract\ MarketFusionServer_MarketFusionCom_MarketFusionCom.war\MarketFusionCom.war;C:\be a\user_projects\domains\mydomain\MarketFusionServer\.wlnotdelete\MarketFusionCom \MarketFusionCom.jar;marketfusioncom;C:\Program Files\Java\j2re1.4.2_01\lib\rt.jar;C:\Program Files\Java\j2re1.4.2_01\lib\i18n.jar;C:\Program Files\Java\j2re1.4.2_01\lib\sunrsasign.jar;C:\Program Files\Java\j2re1.4.2_01\lib\jsse.jar;C:\Program Files\Java\j2re1.4.2_01\lib\jce.jar;C:\Program Files\Java\j2re1.4.2_01\lib\charsets.jar;C:\Program Files\Java\j2re1.4.2_01\classes;C:\bea\weblogic81\server\lib\weblogic.jar;C:\be a\weblogic81\server\lib\wlcipher.jar;C:\bea\weblogic81\server\lib\jsafeFIPS.jar; C:\bea\weblogic81\server\lib\webservices.jar;C:\bea\weblogic81\server\lib\xmlx.j ar;C:\bea\weblogic81\server\lib\ojdbc14.jar;C:\bea\weblogic81\server\lib\jconn2. jar;C:\bea\weblogic81\server\lib\jConnect.jar;C:\bea\weblogic81\server\lib\Eccpr essoAsn1.ja?

at java.lang.Win32Process.create(Native Method)

at java.lang.Win32Process.<init>(Unknown Source)

at java.lang.Runtime.execInternal(Native Method)

at java.lang.Runtime.exec(Unknown Source)

at weblogic.utils.Executable.exec(Executable.java:227)

at weblogic.utils.Executable.exec(Executable.java:156)

at weblogic.utils.Executable.exec(Executable.java:142)

at weblogic.utils.compiler.CompilerInvoker.execCompiler(CompilerInvoker.java:249)

at weblogic.utils.compiler.CompilerInvoker.compileMaybeExit(CompilerInvoker.java:4 28)

at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:328)

at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:336)

at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:321)

at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:451)

at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:246)

at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:196)

at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:598)

at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:40 6)

at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:34 8)

at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebA ppServletContext.java:6981)

at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.j ava:321)

at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)

at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletConte xt.java:3892)

at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:27 66)

at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)

at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)

at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:478)