bea portal 在编译程序时候报以下错误,请指点以下

[bingling1109]

E:\JsepcCooprateWorkApp_aix版本\.workshop\PortalWebServicePrj\EJB\MailTest_598ru1odm0\com\bea\wlwgen\PersistentContainer_pbfyc_ELOImpl.java:254: cannot resolve symbol
symbol : class ClassNotFounException
location: package lang
throws java.io.IOException, java.lang.ClassNotFounException
^
1 error
ERROR: ERROR
ERROR: DESCRIPTION:An unexpected exception occurred while attempting to generate the Enterprise Java Beans or JMS Message Queues required for this Web Service. Error: com.bea.wlw.runtime.core.dispatcher.DispCache$CacheException:[J2EE:160119]Appc is unable to process the file 'E:\JsepcCooprateWorkApp_aix版本\.workshop\PortalWebServicePrj\EJB\MailTest_598ru1odm0'. The following error occurred:
Compiler failed executable.exec
at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:274)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:387)
at weblogic.appc.compileEJB(appc.java:809)
at weblogic.appc.compileEJB(appc.java:778)
at weblogic.appc.compileInput(appc.java:465)
at weblogic.appc.runBody(appc.java:186)
at weblogic.utils.compiler.Tool.run(Tool.java:192)
at weblogic.utils.compiler.Tool.run(Tool.java:147)
at weblogic.appc.main(appc.java:1037)
at com.bea.wlw.runtime.core.bean.EJBGenerator.generateJar(EJBGenerator.java:287)
at com.bea.wlw.runtime.core.dispatcher.DispResources.generateJars(DispResources.java:686)
at com.bea.wlw.runtime.core.dispatcher.DispCache.ensureDispUnit(DispCache.java:719)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWlw(WebAppBuildTask.java:1358)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWebApp(WebAppBuildTask.java:840)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.doCompile(WebAppBuildTask.java:421)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.execute(WebAppBuildTask.java:246)
at org.apache.tools.ant.Task.perform(Task.java:341)
at org.apache.tools.ant.Target.execute(Target.java:309)
at org.apache.tools.ant.Target.performTasks(Target.java:336)
at workshop.workspace.ant.AntSvcImpl$AntThread.executeTarget(AntSvcImpl.java:495)
at workshop.workspace.ant.AntSvcImpl$AntThread.run(AntSvcImpl.java:441)

java.io.IOException: Compiler failed executable.exec
at weblogic.utils.compiler.CompilerInvoker.compileMaybeExit(CompilerInvoker.java:470)
at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:328)
at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:336)
at weblogic.ejb20.ejbc.EJBCompiler.doCompile(EJBCompiler.java:270)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:476)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:387)
at weblogic.appc.compileEJB(appc.java:809)
at weblogic.appc.compileEJB(appc.java:778)
at weblogic.appc.compileInput(appc.java:465)
at weblogic.appc.runBody(appc.java:186)
at weblogic.utils.compiler.Tool.run(Tool.java:192)
at weblogic.utils.compiler.Tool.run(Tool.java:147)
at weblogic.appc.main(appc.java:1037)
at com.bea.wlw.runtime.core.bean.EJBGenerator.generateJar(EJBGenerator.java:287)
at com.bea.wlw.runtime.core.dispatcher.DispResources.generateJars(DispResources.java:686)
at com.bea.wlw.runtime.core.dispatcher.DispCache.ensureDispUnit(DispCache.java:719)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWlw(WebAppBuildTask.java:1358)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWebApp(WebAppBuildTask.java:840)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.doCompile(WebAppBuildTask.java:421)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.execute(WebAppBuildTask.java:246)
at org.apache.tools.ant.Task.perform(Task.java:341)
at org.apache.tools.ant.Target.execute(Target.java:309)
at org.apache.tools.ant.Target.performTasks(Target.java:336)
at workshop.workspace.ant.AntSvcImpl$AntThread.executeTarget(AntSvcImpl.java:495)
at workshop.workspace.ant.AntSvcImpl$AntThread.run(AntSvcImpl.java:441)

--------------- nested within: ------------------
weblogic.utils.compiler.ToolFailureException: [J2EE:160121]Errors encountered while compiling module 'E:\JsepcCooprateWorkApp_aix版本\.workshop\PortalWebServicePrj\EJB\MailTest_598ru1odm0':
Compiler failed executable.exec - with nested exception:
[
Compiler failed executable.exec ]
at weblogic.appc.compileEJB(appc.java:783)
at weblogic.appc.compileInput(appc.java:465)
at weblogic.appc.runBody(appc.java:186)
at weblogic.utils.compiler.Tool.run(Tool.java:192)
at weblogic.utils.compiler.Tool.run(Tool.java:147)
at weblogic.appc.main(appc.java:1037)
at com.bea.wlw.runtime.core.bean.EJBGenerator.generateJar(EJBGenerator.java:287)
at com.bea.wlw.runtime.core.dispatcher.DispResources.generateJars(DispResources.java:686)
at com.bea.wlw.runtime.core.dispatcher.DispCache.ensureDispUnit(DispCache.java:719)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWlw(WebAppBuildTask.java:1358)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.compileWebApp(WebAppBuildTask.java:840)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.doCompile(WebAppBuildTask.java:421)
at com.bea.wlw.runtime.core.ear.WebAppBuildTask.execute(WebAppBuildTask.java:246)
at org.apache.tools.ant.Task.perform(Task.java:341)
at org.apache.tools.ant.Target.execute(Target.java:309)
at org.apache.tools.ant.Target.performTasks(Target.java:336)
at workshop.workspace.ant.AntSvcImpl$AntThread.executeTarget(AntSvcImpl.java:495)
at workshop.workspace.ant.AntSvcImpl$AntThread.run(AntSvcImpl.java:441)

WARNING: SUGGESTION:An unexpected error occurred. Please contact [e-mail] for further assistance.