Generate Java class from XML Schema using JAXB

[emanhossnycs]

Hello All,
I need to generate java classes from the schema exists in the link
http://www.compatibleone.fr/schemes/paasmanifest.xsd
so I tried to download it & add it to Java Project, then generate JAXB classes from this schema.
but the following errors appears to me: can any one help me in solving these errors?

parsing a schema...
Failed to parse a schema.
[ERROR] Property "Description" is already defined.
  line 4 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 10 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasApplication" is already defined.
  line 5 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 11 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironment" is already defined.
  line 6 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 12 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironmentLink" is already defined.
  line 108 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 112 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "Description" is already defined.
  line 18 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 23 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasApplicationVersion" is already defined.
  line 19 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 25 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "Description" is already defined.
  line 69 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 78 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironmentNode" is already defined.
  line 70 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 79 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironmentRelation" is already defined.
  line 71 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 80 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironmentConfiguration" is already defined.
  line 72 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 81 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasApplicationDeployable" is already defined.
  line 30 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 36 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasApplicationVersionInstance" is already defined.
  line 31 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 37 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] Property "PaasEnvironmentTemplate" is already defined.
  line 59 of http://www.compatibleone.fr/schemes/paastypes.xsd

[ERROR] The following location is relevant to the above error
  line 64 of http://www.compatibleone.fr/schemes/paastypes.xsd