Error deploy portlet (EAR)

  Hi,

We have some error when deploy portlet :
1/ When we launch Jahia for the first time, in the administration we 
couldn't see any deploy portlet : application list was empty.
2/ Then we tried to "manualy add a new portlet" (like 
webclipping-ear-1.0.ear), but we have the following exception (with 
debug logs) :

843057 [http-8080-Processor5] DEBUG - JahiaEarFileHandler:: Constructor> error building the WebApssWarPackage
org.jahia.exceptions.JahiaException: JahiaXmlDocument, Exception while loading to the file
E:\jahia405_build6020\tomcat\.\temp\jahia_temp49898 Network is unreachable: connect, root cause:
Network is unreachable: connect root cause=java.net.SocketException: Network is unreachable: connect

843217 [http-8080-Processor5] ERROR - Failed handling webApps file
843217 [http-8080-Processor5] DEBUG - (PrintWriter s) called.
843297 [http-8080-Processor5] DEBUG - called.

org.jahia.exceptions.JahiaException: JahiaEarFileHandler, error building the JahiaWebAppsWar Package
        at org.jahia.data.webapps.JahiaEarFileHandler.<init>(JahiaEarFileHandler.java:88)
        at org.jahia.services.webapps_deployer.JahiaWebAppsDeployerService.loadWebAppInfoFromEar(JahiaWebAppsDeployerService.java:518)
        at org.jahia.services.webapps_deployer.JahiaWebAppsDeployerService.loadWebAppInfoFromFile(JahiaWebAppsDeployerService.java:453)
        at org.jahia.services.webapps_deployer.JahiaWebAppsDeployerService.loadWebAppInfo(JahiaWebAppsDeployerService.java:355)
        at org.jahia.admin.components.ManageComponents.addComponent(ManageComponents.java:915)
        at org.jahia.admin.components.ManageComponents.userRequestDispatcher(ManageComponents.java:189)
        at org.jahia.admin.components.ManageComponents.<init>(ManageComponents.java:139)

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Jahia version is jahia405_build6020
We install the application one several PC, the same problem appeared

Thanks,
Nicolas Poirier