problem with dukes bank j2ee tutorial

[Ryan]

I use the sun application server and the deploytool. I press deploy. I
get the follow error in my log file. I have not changed anything.

any ideas?

happens when i take the pre-packaged ear file and open it with the sun
deploytool and press deploy.

this was in my log?

Fatal Error from EJB Compiler -- Compilation failed: Native compiler
returned an error: 1Error messages are:
C:\Sun\AppServer\domains\domain1\generated\ejb\j2ee-apps\DukesBankApp\com\sun\e
bank\ejb\util\NextIdBean_1892492754_ConcreteImpl.java:176: ejbCreate()
in com.sun.ebank.ejb.util.NextIdBean_1892492754_ConcreteImpl cannot
override ejbCreate() in com.sun.ebank.ejb.util.NextIdBean; attempting
to use incompatible return typefound : java.lang.Stringrequired:
java.lang.Object public java.lang.String ejbCreate () ^1 error at
com.sun.ejb.codegen.IASEJBC.compileClasses(IASEJBC.java:301) at
com.sun.ejb.codegen.CmpCompiler.compile(CmpCompiler.java:230) at
com.sun.ejb.codegen.IASEJBC.doCompile(IASEJBC.java:615) at
com.sun.ejb.codegen.IASEJBC.ejbc(IASEJBC.java:563) at
com.sun.enterprise.deployment.backend.EJBCompiler.preDeployApp(EJBCompiler.java
:340) at
com.sun.enterprise.deployment.backend.EJBCompiler.compile(EJBCompiler.java:209)
at
com.sun.enterprise.deployment.backend.AppDeployer.runEJBC(AppDeployer.java:284)
at
com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:176)
at
com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.j
ava:107) at
com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:146)
at
com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPh
ase.java:71) at
com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeplo
ymentService.java:633) at
com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentSe
rvice.java:188) at
com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentSe
rvice.java:520) at
com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:143)
at
com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:171)