Cron Error

Install a fresh build with PostGres
Import the demo
Create a new virtual site stef
Create a cron from the demo site to stef

Here is the error I get :

2009-05-08 17:21:00,265: INFO [Jahia] - Processed [/cms/site/repository/default/content/users/root/files/private/imports] user=[root] ip=[127.0.0.1] sessionID=[A7088386627FE37D355
54DB796D4E51A] in [31ms]
2009-05-08 17:21:00,265: WARN [ErrorLoggingFilter] - Requested resource is not available: /cms/site/repository/default/content/users/root/files/private/imports
2009-05-08 17:21:00,296: INFO [Jahia] - Processed [/cms/site/repository/default/content/users/root/files/private/imports] user=[root] ip=[127.0.0.1] sessionID=[ECBFE33B489C74016F6
B78803651B0B3] in [0ms]
2009-05-08 17:21:00,296: WARN [ErrorLoggingFilter] - Requested resource is not available: /cms/site/repository/default/content/users/root/files/private/imports
2009-05-08 17:21:00,296: ERROR [ImportExportBaseService] - Cannot create folder at : http://localhost:8080/cms/site/repository/default/content/users/root/files/private/imports
2009-05-08 17:21:00,312: ERROR [BackgroundJob] - Cannot execute job
org.quartz.JobExecutionException: java.io.IOException [See nested exception: java.io.IOException]
at org.jahia.services.importexport.ProductionJob.failed(ProductionJob.java:141)
at org.jahia.services.importexport.ProductionJob.executeJahiaJob(ProductionJob.java:113)
at org.jahia.services.scheduler.BackgroundJob.execute(BackgroundJob.java:150)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.io.IOException
at org.jahia.services.importexport.ImportExportBaseService.exportToSite(ImportExportBaseService.java:1734)
at org.jahia.services.importexport.ImportExportBaseService$$FastClassByCGLIB$$de1c40f7.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at org.springframework.aop.interceptor.AbstractTraceInterceptor.invoke(AbstractTraceInterceptor.java:113)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635)
at org.jahia.services.importexport.ImportExportBaseService$$EnhancerByCGLIB$$409f1794.exportToSite(<generated>)
at org.jahia.services.importexport.ProductionJob.executeJahiaJob(ProductionJob.java:101)
... 3 more
2009-05-08 17:21:00,312: INFO [BackgroundJob] - Background job (of type production) ended with status failed executed in 0s
2009-05-08 17:21:00,328: INFO [JobRunShell] - Job ProductionJob.ProductionJob_2_0 threw a JobExecutionException:
org.quartz.JobExecutionException: org.quartz.JobExecutionException: java.io.IOException [See nested exception: java.io.IOException] [See nested exception: org.quartz.JobExecutionEx
ception: java.io.IOException [See nested exception: java.io.IOException]]
at org.jahia.services.scheduler.BackgroundJob.execute(BackgroundJob.java:160)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: org.quartz.JobExecutionException: java.io.IOException [See nested exception: java.io.IOException]
at org.jahia.services.importexport.ProductionJob.failed(ProductionJob.java:141)
at org.jahia.services.importexport.ProductionJob.executeJahiaJob(ProductionJob.java:113)
at org.jahia.services.scheduler.BackgroundJob.execute(BackgroundJob.java:150)
... 2 more
Caused by: java.io.IOException
at org.jahia.services.importexport.ImportExportBaseService.exportToSite(ImportExportBaseService.java:1734)
at org.jahia.services.importexport.ImportExportBaseService$$FastClassByCGLIB$$de1c40f7.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at org.springframework.aop.interceptor.AbstractTraceInterceptor.invoke(AbstractTraceInterceptor.java:113)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635)
at org.jahia.services.importexport.ImportExportBaseService$$EnhancerByCGLIB$$409f1794.exportToSite(<generated>)
at org.jahia.services.importexport.ProductionJob.executeJahiaJob(ProductionJob.java:101)
... 3 more
2009-05-08 17:21:50,515: INFO [Jahia] - Processed [/cms/site/repository/default/content/users/root/files/private/imports] user=[root] ip=[127.0.0.1] sessionID=[B5D28BA4FE73411072C
68065E37FAAB0] in [0ms]
2009-05-08 17:21:50,531: WARN [ErrorLoggingFilter] - Requested resource is not available: /cms/site/repository/default/content/users/root/files/private/imports
[GC 399090K->300075K(1034560K), 0.0123701 secs]
2009-05-08 17:21:57,531: INFO [Jahia] - Processed [/cms/site/stef/repository/default/content/users/root/files/private/imports] user=[root] ip=[127.0.0.1] sessionID=[B5D28BA4FE7341
1072C68065E37FAAB0] in [16ms]
2009-05-08 17:21:57,531: WARN [ErrorLoggingFilter] - Requested resource is not available: /cms/site/stef/repository/default/content/users/root/files/private/imports
2009-05-08 17:22:30,031: INFO [Jahia] - Processed [/cms/site/stef] user=[root] ip=[127.0.0.1] sessionID=[B5D28BA4FE73411072C68065E37FAAB0] in [219ms]
2009-05-08 17:23:19,968: INFO [Jahia] - Processed [/cms/op/edit/pid/2] user=[root] ip=[127.0.0.1] sessionID=[B5D28BA4FE73411072C68065E37FAAB0] in [15ms]