{
  "fess_config.related_content" : {
    "aliases" : { },
    "mappings" : {
      "related_content" : {
        "properties" : {
          "content" : {
            "type" : "keyword"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "sortOrder" : {
            "type" : "integer"
          },
          "term" : {

{
  "fess_config.path_mapping" : {
    "aliases" : { },
    "mappings" : {
      "path_mapping" : {
        "properties" : {
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "processType" : {
            "type" : "keyword"
          },
          "regex" : {
            "type" : "keyword"
          },
          "replacement" : {

{
  "fess_config.elevate_word" : {
    "aliases" : { },
    "mappings" : {
      "elevate_word" : {
        "properties" : {
          "boost" : {
            "type" : "float"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "permissions" : {
            "type" : "keyword"
          },
          "reading" : {

{
  "fess_config.web_authentication" : {
    "aliases" : { },
    "mappings" : {
      "web_authentication" : {
        "properties" : {
          "authRealm" : {
            "type" : "keyword"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "hostname" : {
            "type" : "keyword"
          },

{
  "fess_config.scheduled_job" : {
    "aliases" : { },
    "mappings" : {
      "scheduled_job" : {
        "properties" : {
          "available" : {
            "type" : "boolean"
          },
          "crawler" : {
            "type" : "boolean"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },

errors.required={0} is required.
errors.minlength={0} cannot be less than {1}.
success.login=Logged in successfully.
# ... approximately 200 more entries
```

### 3. Update Configuration File

Edit `src/main/resources/fess_config.properties`:

Find the `supported.languages` property (around line 202) and ensure your language code is included:

```properties

{
  "fess_config.file_config" : {
    "aliases" : { },
    "mappings" : {
      "file_config" : {
        "properties" : {
          "available" : {
            "type" : "boolean"
          },
          "boost" : {
            "type" : "float"
          },
          "configParameter" : {
            "type" : "keyword"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {

{
  "fess_config.elevate_word_to_label" : {
    "aliases" : { },
    "mappings" : {
      "elevate_word_to_label" : {
        "properties" : {
          "elevateWordId" : {
            "type" : "keyword"
          },
          "labelTypeId" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021052498",
        "number_of_shards" : "5",

{
  "fess_config.role_type" : {
    "aliases" : { },
    "mappings" : {
      "role_type" : {
        "properties" : {
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "name" : {
            "type" : "keyword"
          },
          "sortOrder" : {
            "type" : "integer"
          },
          "updatedBy" : {

{
  "fess_config.failure_url" : {
    "aliases" : { },
    "mappings" : {
      "failure_url" : {
        "properties" : {
          "configId" : {
            "type" : "keyword"
          },
          "errorCount" : {
            "type" : "integer"
          },
          "errorLog" : {
            "type" : "keyword"
          },
          "errorName" : {
            "type" : "keyword"
          },
          "lastAccessTime" : {