Incompatibility with Spanish Latin America language in Chrome

2013-06-12 09:33:46,648 http-bio-9060-exec-11 ERROR admin 573x398x1 15465ge 127.0.0.1 /rest/project-templates/1.0/templates [jersey.spi.container.ContainerResponse] Mapped exception to response: 500 (Internal Server Error)
javax.ws.rs.WebApplicationException: java.text.ParseException: String, es-419, is not a valid language tag
    at com.sun.jersey.server.impl.model.HttpHelper.clientError(HttpHelper.java:265)
    at com.sun.jersey.server.impl.model.HttpHelper.getAcceptLanguage(HttpHelper.java:222)
    at com.sun.jersey.server.impl.VariantSelector.selectVariant(VariantSelector.java:290)
    at com.sun.jersey.spi.container.ContainerRequest.selectVariant(ContainerRequest.java:679)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  <+2> (NativeMethodAccessorImpl.java:39) (DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)  <+1> (WebApplicationImpl.java:287)
    at com.sun.proxy.$Proxy1948.selectVariant(Unknown Source)  <+3> (Status.java:347) (SecurityExceptionMapper.java:23) (SecurityExceptionMapper.java:15)
    at com.sun.jersey.spi.container.ContainerResponse.mapException(ContainerResponse.java:452)  <+5> (WebApplicationImpl.java:1406) (WebApplicationImpl.java:1349) (WebApplicationImpl.java:1339) (WebComponent.java:416) (ServletContainer.java:537)
 
...
Caused by: java.text.ParseException: String, es-419, is not a valid language tag
    at com.sun.jersey.core.header.LanguageTag.parse(LanguageTag.java:122)
    at com.sun.jersey.core.header.AcceptableLanguageTag.<init>(AcceptableLanguageTag.java:69)
    at com.sun.jersey.core.header.reader.HttpHeaderReader$8.create(HttpHeaderReader.java:418)
    at com.sun.jersey.core.header.reader.HttpHeaderReader$8.create(HttpHeaderReader.java:416)
    at com.sun.jersey.core.header.reader.HttpHeaderReader.readList(HttpHeaderReader.java:465)
    at com.sun.jersey.core.header.reader.HttpHeaderReader.readAcceptableList(HttpHeaderReader.java:436)
    at com.sun.jersey.core.header.reader.HttpHeaderReader.readAcceptLanguage(HttpHeaderReader.java:423)  <+1> (HttpHelper.java:220)