diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ErlangServerCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ErlangServerCodegen.java
index 5a78713b414..ebb8260d6f1 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ErlangServerCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ErlangServerCodegen.java
@@ -236,7 +236,7 @@ public class ErlangServerCodegen extends DefaultCodegen implements CodegenConfig
         Swagger swagger = (Swagger)objs.get("swagger");
         if(swagger != null) {
             try {
-                objs.put("swagger-json", Json.mapper().writeValueAsString(swagger));
+                objs.put("swagger-json", Json.pretty().writeValueAsString(swagger).replace("\r\n", "\n"));
             } catch (JsonProcessingException e) {
                 LOGGER.error(e.getMessage(), e);
             }
diff --git a/samples/server/petstore/erlang-server/priv/swagger.json b/samples/server/petstore/erlang-server/priv/swagger.json
index de3bdd27a50..3eef6c58413 100644
--- a/samples/server/petstore/erlang-server/priv/swagger.json
+++ b/samples/server/petstore/erlang-server/priv/swagger.json
@@ -1 +1,830 @@
-{"swagger":"2.0","info":{"description":"This is a sample server Petstore server.  You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).  For this sample, you can use the api key `special-key` to test the authorization filters.","version":"1.0.0","title":"Swagger Petstore","termsOfService":"http://swagger.io/terms/","contact":{"email":"apiteam@swagger.io"},"license":{"name":"Apache 2.0","url":"http://www.apache.org/licenses/LICENSE-2.0.html"}},"host":"petstore.swagger.io","basePath":"/v2","tags":[{"name":"pet","description":"Everything about your Pets","externalDocs":{"description":"Find out more","url":"http://swagger.io"}},{"name":"store","description":"Access to Petstore orders"},{"name":"user","description":"Operations about user","externalDocs":{"description":"Find out more about our store","url":"http://swagger.io"}}],"schemes":["http"],"paths":{"/pet":{"post":{"tags":["pet"],"summary":"Add a new pet to the store","description":"","operationId":"addPet","consumes":["application/json","application/xml"],"produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"Pet object that needs to be added to the store","required":true,"schema":{"$ref":"#/definitions/Pet"}}],"responses":{"405":{"description":"Invalid input"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]},"put":{"tags":["pet"],"summary":"Update an existing pet","description":"","operationId":"updatePet","consumes":["application/json","application/xml"],"produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"Pet object that needs to be added to the store","required":true,"schema":{"$ref":"#/definitions/Pet"}}],"responses":{"400":{"description":"Invalid ID supplied"},"404":{"description":"Pet not found"},"405":{"description":"Validation exception"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]}},"/pet/findByStatus":{"get":{"tags":["pet"],"summary":"Finds Pets by status","description":"Multiple status values can be provided with comma separated strings","operationId":"findPetsByStatus","produces":["application/xml","application/json"],"parameters":[{"name":"status","in":"query","description":"Status values that need to be considered for filter","required":true,"type":"array","items":{"type":"string","default":"available","enum":["available","pending","sold"]},"collectionFormat":"csv"}],"responses":{"200":{"description":"successful operation","schema":{"type":"array","items":{"$ref":"#/definitions/Pet"}}},"400":{"description":"Invalid status value"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]}},"/pet/findByTags":{"get":{"tags":["pet"],"summary":"Finds Pets by tags","description":"Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.","operationId":"findPetsByTags","produces":["application/xml","application/json"],"parameters":[{"name":"tags","in":"query","description":"Tags to filter by","required":true,"type":"array","items":{"type":"string"},"collectionFormat":"csv"}],"responses":{"200":{"description":"successful operation","schema":{"type":"array","items":{"$ref":"#/definitions/Pet"}}},"400":{"description":"Invalid tag value"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]}},"/pet/{petId}":{"get":{"tags":["pet"],"summary":"Find pet by ID","description":"Returns a single pet","operationId":"getPetById","produces":["application/xml","application/json"],"parameters":[{"name":"petId","in":"path","description":"ID of pet to return","required":true,"type":"integer","format":"int64"}],"responses":{"200":{"description":"successful operation","schema":{"$ref":"#/definitions/Pet"}},"400":{"description":"Invalid ID supplied"},"404":{"description":"Pet not found"}},"security":[{"api_key":[]}]},"post":{"tags":["pet"],"summary":"Updates a pet in the store with form data","description":"","operationId":"updatePetWithForm","consumes":["application/x-www-form-urlencoded"],"produces":["application/xml","application/json"],"parameters":[{"name":"petId","in":"path","description":"ID of pet that needs to be updated","required":true,"type":"integer","format":"int64"},{"name":"name","in":"formData","description":"Updated name of the pet","required":false,"type":"string"},{"name":"status","in":"formData","description":"Updated status of the pet","required":false,"type":"string"}],"responses":{"405":{"description":"Invalid input"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]},"delete":{"tags":["pet"],"summary":"Deletes a pet","description":"","operationId":"deletePet","produces":["application/xml","application/json"],"parameters":[{"name":"api_key","in":"header","required":false,"type":"string"},{"name":"petId","in":"path","description":"Pet id to delete","required":true,"type":"integer","format":"int64"}],"responses":{"400":{"description":"Invalid pet value"}},"security":[{"petstore_auth":["write:pets","read:pets"]}]}},"/pet/{petId}/uploadImage":{"post":{"tags":["pet"],"summary":"uploads an image","description":"","operationId":"uploadFile","consumes":["multipart/form-data"],"produces":["application/json"],"parameters":[{"name":"petId","in":"path","description":"ID of pet to update","required":true,"type":"integer","format":"int64"},{"name":"additionalMetadata","in":"formData","description":"Additional data to pass to server","required":false,"type":"string"},{"name":"file","in":"formData","description":"file to upload","required":false,"type":"file"}],"responses":{"200":{"description":"successful operation","schema":{"$ref":"#/definitions/ApiResponse"}}},"security":[{"petstore_auth":["write:pets","read:pets"]}]}},"/store/inventory":{"get":{"tags":["store"],"summary":"Returns pet inventories by status","description":"Returns a map of status codes to quantities","operationId":"getInventory","produces":["application/json"],"parameters":[],"responses":{"200":{"description":"successful operation","schema":{"type":"object","additionalProperties":{"type":"integer","format":"int32"}}}},"security":[{"api_key":[]}]}},"/store/order":{"post":{"tags":["store"],"summary":"Place an order for a pet","description":"","operationId":"placeOrder","produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"order placed for purchasing the pet","required":true,"schema":{"$ref":"#/definitions/Order"}}],"responses":{"200":{"description":"successful operation","schema":{"$ref":"#/definitions/Order"}},"400":{"description":"Invalid Order"}}}},"/store/order/{orderId}":{"get":{"tags":["store"],"summary":"Find purchase order by ID","description":"For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions","operationId":"getOrderById","produces":["application/xml","application/json"],"parameters":[{"name":"orderId","in":"path","description":"ID of pet that needs to be fetched","required":true,"type":"integer","maximum":5.0,"minimum":1.0,"format":"int64"}],"responses":{"200":{"description":"successful operation","schema":{"$ref":"#/definitions/Order"}},"400":{"description":"Invalid ID supplied"},"404":{"description":"Order not found"}}},"delete":{"tags":["store"],"summary":"Delete purchase order by ID","description":"For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors","operationId":"deleteOrder","produces":["application/xml","application/json"],"parameters":[{"name":"orderId","in":"path","description":"ID of the order that needs to be deleted","required":true,"type":"string","minimum":1.0}],"responses":{"400":{"description":"Invalid ID supplied"},"404":{"description":"Order not found"}}}},"/user":{"post":{"tags":["user"],"summary":"Create user","description":"This can only be done by the logged in user.","operationId":"createUser","produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"Created user object","required":true,"schema":{"$ref":"#/definitions/User"}}],"responses":{"default":{"description":"successful operation"}}}},"/user/createWithArray":{"post":{"tags":["user"],"summary":"Creates list of users with given input array","description":"","operationId":"createUsersWithArrayInput","produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"List of user object","required":true,"schema":{"type":"array","items":{"$ref":"#/definitions/User"}}}],"responses":{"default":{"description":"successful operation"}}}},"/user/createWithList":{"post":{"tags":["user"],"summary":"Creates list of users with given input array","description":"","operationId":"createUsersWithListInput","produces":["application/xml","application/json"],"parameters":[{"in":"body","name":"body","description":"List of user object","required":true,"schema":{"type":"array","items":{"$ref":"#/definitions/User"}}}],"responses":{"default":{"description":"successful operation"}}}},"/user/login":{"get":{"tags":["user"],"summary":"Logs user into the system","description":"","operationId":"loginUser","produces":["application/xml","application/json"],"parameters":[{"name":"username","in":"query","description":"The user name for login","required":true,"type":"string"},{"name":"password","in":"query","description":"The password for login in clear text","required":true,"type":"string"}],"responses":{"200":{"description":"successful operation","schema":{"type":"string"},"headers":{"X-Rate-Limit":{"type":"integer","format":"int32","description":"calls per hour allowed by the user"},"X-Expires-After":{"type":"string","format":"date-time","description":"date in UTC when toekn expires"}}},"400":{"description":"Invalid username/password supplied"}}}},"/user/logout":{"get":{"tags":["user"],"summary":"Logs out current logged in user session","description":"","operationId":"logoutUser","produces":["application/xml","application/json"],"parameters":[],"responses":{"default":{"description":"successful operation"}}}},"/user/{username}":{"get":{"tags":["user"],"summary":"Get user by user name","description":"","operationId":"getUserByName","produces":["application/xml","application/json"],"parameters":[{"name":"username","in":"path","description":"The name that needs to be fetched. Use user1 for testing. ","required":true,"type":"string"}],"responses":{"200":{"description":"successful operation","schema":{"$ref":"#/definitions/User"}},"400":{"description":"Invalid username supplied"},"404":{"description":"User not found"}}},"put":{"tags":["user"],"summary":"Updated user","description":"This can only be done by the logged in user.","operationId":"updateUser","produces":["application/xml","application/json"],"parameters":[{"name":"username","in":"path","description":"name that need to be deleted","required":true,"type":"string"},{"in":"body","name":"body","description":"Updated user object","required":true,"schema":{"$ref":"#/definitions/User"}}],"responses":{"400":{"description":"Invalid user supplied"},"404":{"description":"User not found"}}},"delete":{"tags":["user"],"summary":"Delete user","description":"This can only be done by the logged in user.","operationId":"deleteUser","produces":["application/xml","application/json"],"parameters":[{"name":"username","in":"path","description":"The name that needs to be deleted","required":true,"type":"string"}],"responses":{"400":{"description":"Invalid username supplied"},"404":{"description":"User not found"}}}}},"securityDefinitions":{"api_key":{"type":"apiKey","name":"api_key","in":"header"},"petstore_auth":{"type":"oauth2","authorizationUrl":"http://petstore.swagger.io/api/oauth/dialog","flow":"implicit","scopes":{"write:pets":"modify pets in your account","read:pets":"read your pets"}}},"definitions":{"Order":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"petId":{"type":"integer","format":"int64"},"quantity":{"type":"integer","format":"int32"},"shipDate":{"type":"string","format":"date-time"},"status":{"type":"string","description":"Order Status","enum":["placed","approved","delivered"]},"complete":{"type":"boolean","default":false}},"xml":{"name":"Order"}},"Category":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"name":{"type":"string"}},"xml":{"name":"Category"}},"User":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"username":{"type":"string"},"firstName":{"type":"string"},"lastName":{"type":"string"},"email":{"type":"string"},"password":{"type":"string"},"phone":{"type":"string"},"userStatus":{"type":"integer","format":"int32","description":"User Status"}},"xml":{"name":"User"}},"Tag":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"name":{"type":"string"}},"xml":{"name":"Tag"}},"Pet":{"type":"object","required":["name","photoUrls"],"properties":{"id":{"type":"integer","format":"int64"},"category":{"$ref":"#/definitions/Category"},"name":{"type":"string","example":"doggie"},"photoUrls":{"type":"array","xml":{"name":"photoUrl","wrapped":true},"items":{"type":"string"}},"tags":{"type":"array","xml":{"name":"tag","wrapped":true},"items":{"$ref":"#/definitions/Tag"}},"status":{"type":"string","description":"pet status in the store","enum":["available","pending","sold"]}},"xml":{"name":"Pet"}},"ApiResponse":{"type":"object","properties":{"code":{"type":"integer","format":"int32"},"type":{"type":"string"},"message":{"type":"string"}}}},"externalDocs":{"description":"Find out more about Swagger","url":"http://swagger.io"}}
+{
+  "swagger" : "2.0",
+  "info" : {
+    "description" : "This is a sample server Petstore server.  You can find out more about Swagger at [http://swagger.io](http://swagger.io) or on [irc.freenode.net, #swagger](http://swagger.io/irc/).  For this sample, you can use the api key `special-key` to test the authorization filters.",
+    "version" : "1.0.0",
+    "title" : "Swagger Petstore",
+    "termsOfService" : "http://swagger.io/terms/",
+    "contact" : {
+      "email" : "apiteam@swagger.io"
+    },
+    "license" : {
+      "name" : "Apache 2.0",
+      "url" : "http://www.apache.org/licenses/LICENSE-2.0.html"
+    }
+  },
+  "host" : "petstore.swagger.io",
+  "basePath" : "/v2",
+  "tags" : [ {
+    "name" : "pet",
+    "description" : "Everything about your Pets",
+    "externalDocs" : {
+      "description" : "Find out more",
+      "url" : "http://swagger.io"
+    }
+  }, {
+    "name" : "store",
+    "description" : "Access to Petstore orders"
+  }, {
+    "name" : "user",
+    "description" : "Operations about user",
+    "externalDocs" : {
+      "description" : "Find out more about our store",
+      "url" : "http://swagger.io"
+    }
+  } ],
+  "schemes" : [ "http" ],
+  "paths" : {
+    "/pet" : {
+      "post" : {
+        "tags" : [ "pet" ],
+        "summary" : "Add a new pet to the store",
+        "description" : "",
+        "operationId" : "addPet",
+        "consumes" : [ "application/json", "application/xml" ],
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "Pet object that needs to be added to the store",
+          "required" : true,
+          "schema" : {
+            "$ref" : "#/definitions/Pet"
+          }
+        } ],
+        "responses" : {
+          "405" : {
+            "description" : "Invalid input"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      },
+      "put" : {
+        "tags" : [ "pet" ],
+        "summary" : "Update an existing pet",
+        "description" : "",
+        "operationId" : "updatePet",
+        "consumes" : [ "application/json", "application/xml" ],
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "Pet object that needs to be added to the store",
+          "required" : true,
+          "schema" : {
+            "$ref" : "#/definitions/Pet"
+          }
+        } ],
+        "responses" : {
+          "400" : {
+            "description" : "Invalid ID supplied"
+          },
+          "404" : {
+            "description" : "Pet not found"
+          },
+          "405" : {
+            "description" : "Validation exception"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      }
+    },
+    "/pet/findByStatus" : {
+      "get" : {
+        "tags" : [ "pet" ],
+        "summary" : "Finds Pets by status",
+        "description" : "Multiple status values can be provided with comma separated strings",
+        "operationId" : "findPetsByStatus",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "status",
+          "in" : "query",
+          "description" : "Status values that need to be considered for filter",
+          "required" : true,
+          "type" : "array",
+          "items" : {
+            "type" : "string",
+            "enum" : [ "available", "pending", "sold" ],
+            "default" : "available"
+          },
+          "collectionFormat" : "csv"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "type" : "array",
+              "items" : {
+                "$ref" : "#/definitions/Pet"
+              }
+            }
+          },
+          "400" : {
+            "description" : "Invalid status value"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      }
+    },
+    "/pet/findByTags" : {
+      "get" : {
+        "tags" : [ "pet" ],
+        "summary" : "Finds Pets by tags",
+        "description" : "Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.",
+        "operationId" : "findPetsByTags",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "tags",
+          "in" : "query",
+          "description" : "Tags to filter by",
+          "required" : true,
+          "type" : "array",
+          "items" : {
+            "type" : "string"
+          },
+          "collectionFormat" : "csv"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "type" : "array",
+              "items" : {
+                "$ref" : "#/definitions/Pet"
+              }
+            }
+          },
+          "400" : {
+            "description" : "Invalid tag value"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      }
+    },
+    "/pet/{petId}" : {
+      "get" : {
+        "tags" : [ "pet" ],
+        "summary" : "Find pet by ID",
+        "description" : "Returns a single pet",
+        "operationId" : "getPetById",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "petId",
+          "in" : "path",
+          "description" : "ID of pet to return",
+          "required" : true,
+          "type" : "integer",
+          "format" : "int64"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "$ref" : "#/definitions/Pet"
+            }
+          },
+          "400" : {
+            "description" : "Invalid ID supplied"
+          },
+          "404" : {
+            "description" : "Pet not found"
+          }
+        },
+        "security" : [ {
+          "api_key" : [ ]
+        } ]
+      },
+      "post" : {
+        "tags" : [ "pet" ],
+        "summary" : "Updates a pet in the store with form data",
+        "description" : "",
+        "operationId" : "updatePetWithForm",
+        "consumes" : [ "application/x-www-form-urlencoded" ],
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "petId",
+          "in" : "path",
+          "description" : "ID of pet that needs to be updated",
+          "required" : true,
+          "type" : "integer",
+          "format" : "int64"
+        }, {
+          "name" : "name",
+          "in" : "formData",
+          "description" : "Updated name of the pet",
+          "required" : false,
+          "type" : "string"
+        }, {
+          "name" : "status",
+          "in" : "formData",
+          "description" : "Updated status of the pet",
+          "required" : false,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "405" : {
+            "description" : "Invalid input"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      },
+      "delete" : {
+        "tags" : [ "pet" ],
+        "summary" : "Deletes a pet",
+        "description" : "",
+        "operationId" : "deletePet",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "api_key",
+          "in" : "header",
+          "required" : false,
+          "type" : "string"
+        }, {
+          "name" : "petId",
+          "in" : "path",
+          "description" : "Pet id to delete",
+          "required" : true,
+          "type" : "integer",
+          "format" : "int64"
+        } ],
+        "responses" : {
+          "400" : {
+            "description" : "Invalid pet value"
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      }
+    },
+    "/pet/{petId}/uploadImage" : {
+      "post" : {
+        "tags" : [ "pet" ],
+        "summary" : "uploads an image",
+        "description" : "",
+        "operationId" : "uploadFile",
+        "consumes" : [ "multipart/form-data" ],
+        "produces" : [ "application/json" ],
+        "parameters" : [ {
+          "name" : "petId",
+          "in" : "path",
+          "description" : "ID of pet to update",
+          "required" : true,
+          "type" : "integer",
+          "format" : "int64"
+        }, {
+          "name" : "additionalMetadata",
+          "in" : "formData",
+          "description" : "Additional data to pass to server",
+          "required" : false,
+          "type" : "string"
+        }, {
+          "name" : "file",
+          "in" : "formData",
+          "description" : "file to upload",
+          "required" : false,
+          "type" : "file"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "$ref" : "#/definitions/ApiResponse"
+            }
+          }
+        },
+        "security" : [ {
+          "petstore_auth" : [ "write:pets", "read:pets" ]
+        } ]
+      }
+    },
+    "/store/inventory" : {
+      "get" : {
+        "tags" : [ "store" ],
+        "summary" : "Returns pet inventories by status",
+        "description" : "Returns a map of status codes to quantities",
+        "operationId" : "getInventory",
+        "produces" : [ "application/json" ],
+        "parameters" : [ ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "type" : "object",
+              "additionalProperties" : {
+                "type" : "integer",
+                "format" : "int32"
+              }
+            }
+          }
+        },
+        "security" : [ {
+          "api_key" : [ ]
+        } ]
+      }
+    },
+    "/store/order" : {
+      "post" : {
+        "tags" : [ "store" ],
+        "summary" : "Place an order for a pet",
+        "description" : "",
+        "operationId" : "placeOrder",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "order placed for purchasing the pet",
+          "required" : true,
+          "schema" : {
+            "$ref" : "#/definitions/Order"
+          }
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "$ref" : "#/definitions/Order"
+            }
+          },
+          "400" : {
+            "description" : "Invalid Order"
+          }
+        }
+      }
+    },
+    "/store/order/{orderId}" : {
+      "get" : {
+        "tags" : [ "store" ],
+        "summary" : "Find purchase order by ID",
+        "description" : "For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions",
+        "operationId" : "getOrderById",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "orderId",
+          "in" : "path",
+          "description" : "ID of pet that needs to be fetched",
+          "required" : true,
+          "type" : "integer",
+          "maximum" : 5,
+          "minimum" : 1,
+          "format" : "int64"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "$ref" : "#/definitions/Order"
+            }
+          },
+          "400" : {
+            "description" : "Invalid ID supplied"
+          },
+          "404" : {
+            "description" : "Order not found"
+          }
+        }
+      },
+      "delete" : {
+        "tags" : [ "store" ],
+        "summary" : "Delete purchase order by ID",
+        "description" : "For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors",
+        "operationId" : "deleteOrder",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "orderId",
+          "in" : "path",
+          "description" : "ID of the order that needs to be deleted",
+          "required" : true,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "400" : {
+            "description" : "Invalid ID supplied"
+          },
+          "404" : {
+            "description" : "Order not found"
+          }
+        }
+      }
+    },
+    "/user" : {
+      "post" : {
+        "tags" : [ "user" ],
+        "summary" : "Create user",
+        "description" : "This can only be done by the logged in user.",
+        "operationId" : "createUser",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "Created user object",
+          "required" : true,
+          "schema" : {
+            "$ref" : "#/definitions/User"
+          }
+        } ],
+        "responses" : {
+          "default" : {
+            "description" : "successful operation"
+          }
+        }
+      }
+    },
+    "/user/createWithArray" : {
+      "post" : {
+        "tags" : [ "user" ],
+        "summary" : "Creates list of users with given input array",
+        "description" : "",
+        "operationId" : "createUsersWithArrayInput",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "List of user object",
+          "required" : true,
+          "schema" : {
+            "type" : "array",
+            "items" : {
+              "$ref" : "#/definitions/User"
+            }
+          }
+        } ],
+        "responses" : {
+          "default" : {
+            "description" : "successful operation"
+          }
+        }
+      }
+    },
+    "/user/createWithList" : {
+      "post" : {
+        "tags" : [ "user" ],
+        "summary" : "Creates list of users with given input array",
+        "description" : "",
+        "operationId" : "createUsersWithListInput",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "in" : "body",
+          "name" : "body",
+          "description" : "List of user object",
+          "required" : true,
+          "schema" : {
+            "type" : "array",
+            "items" : {
+              "$ref" : "#/definitions/User"
+            }
+          }
+        } ],
+        "responses" : {
+          "default" : {
+            "description" : "successful operation"
+          }
+        }
+      }
+    },
+    "/user/login" : {
+      "get" : {
+        "tags" : [ "user" ],
+        "summary" : "Logs user into the system",
+        "description" : "",
+        "operationId" : "loginUser",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "username",
+          "in" : "query",
+          "description" : "The user name for login",
+          "required" : true,
+          "type" : "string"
+        }, {
+          "name" : "password",
+          "in" : "query",
+          "description" : "The password for login in clear text",
+          "required" : true,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "type" : "string"
+            },
+            "headers" : {
+              "X-Rate-Limit" : {
+                "type" : "integer",
+                "format" : "int32",
+                "description" : "calls per hour allowed by the user"
+              },
+              "X-Expires-After" : {
+                "type" : "string",
+                "format" : "date-time",
+                "description" : "date in UTC when toekn expires"
+              }
+            }
+          },
+          "400" : {
+            "description" : "Invalid username/password supplied"
+          }
+        }
+      }
+    },
+    "/user/logout" : {
+      "get" : {
+        "tags" : [ "user" ],
+        "summary" : "Logs out current logged in user session",
+        "description" : "",
+        "operationId" : "logoutUser",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ ],
+        "responses" : {
+          "default" : {
+            "description" : "successful operation"
+          }
+        }
+      }
+    },
+    "/user/{username}" : {
+      "get" : {
+        "tags" : [ "user" ],
+        "summary" : "Get user by user name",
+        "description" : "",
+        "operationId" : "getUserByName",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "username",
+          "in" : "path",
+          "description" : "The name that needs to be fetched. Use user1 for testing. ",
+          "required" : true,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "successful operation",
+            "schema" : {
+              "$ref" : "#/definitions/User"
+            }
+          },
+          "400" : {
+            "description" : "Invalid username supplied"
+          },
+          "404" : {
+            "description" : "User not found"
+          }
+        }
+      },
+      "put" : {
+        "tags" : [ "user" ],
+        "summary" : "Updated user",
+        "description" : "This can only be done by the logged in user.",
+        "operationId" : "updateUser",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "username",
+          "in" : "path",
+          "description" : "name that need to be deleted",
+          "required" : true,
+          "type" : "string"
+        }, {
+          "in" : "body",
+          "name" : "body",
+          "description" : "Updated user object",
+          "required" : true,
+          "schema" : {
+            "$ref" : "#/definitions/User"
+          }
+        } ],
+        "responses" : {
+          "400" : {
+            "description" : "Invalid user supplied"
+          },
+          "404" : {
+            "description" : "User not found"
+          }
+        }
+      },
+      "delete" : {
+        "tags" : [ "user" ],
+        "summary" : "Delete user",
+        "description" : "This can only be done by the logged in user.",
+        "operationId" : "deleteUser",
+        "produces" : [ "application/xml", "application/json" ],
+        "parameters" : [ {
+          "name" : "username",
+          "in" : "path",
+          "description" : "The name that needs to be deleted",
+          "required" : true,
+          "type" : "string"
+        } ],
+        "responses" : {
+          "400" : {
+            "description" : "Invalid username supplied"
+          },
+          "404" : {
+            "description" : "User not found"
+          }
+        }
+      }
+    }
+  },
+  "securityDefinitions" : {
+    "petstore_auth" : {
+      "type" : "oauth2",
+      "authorizationUrl" : "http://petstore.swagger.io/api/oauth/dialog",
+      "flow" : "implicit",
+      "scopes" : {
+        "write:pets" : "modify pets in your account",
+        "read:pets" : "read your pets"
+      }
+    },
+    "api_key" : {
+      "type" : "apiKey",
+      "name" : "api_key",
+      "in" : "header"
+    }
+  },
+  "definitions" : {
+    "Order" : {
+      "type" : "object",
+      "properties" : {
+        "id" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "petId" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "quantity" : {
+          "type" : "integer",
+          "format" : "int32"
+        },
+        "shipDate" : {
+          "type" : "string",
+          "format" : "date-time"
+        },
+        "status" : {
+          "type" : "string",
+          "description" : "Order Status",
+          "enum" : [ "placed", "approved", "delivered" ]
+        },
+        "complete" : {
+          "type" : "boolean",
+          "default" : false
+        }
+      },
+      "title" : "Pet Order",
+      "description" : "An order for a pets from the pet store",
+      "xml" : {
+        "name" : "Order"
+      }
+    },
+    "Category" : {
+      "type" : "object",
+      "properties" : {
+        "id" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "name" : {
+          "type" : "string"
+        }
+      },
+      "title" : "Pet catehgry",
+      "description" : "A category for a pet",
+      "xml" : {
+        "name" : "Category"
+      }
+    },
+    "User" : {
+      "type" : "object",
+      "properties" : {
+        "id" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "username" : {
+          "type" : "string"
+        },
+        "firstName" : {
+          "type" : "string"
+        },
+        "lastName" : {
+          "type" : "string"
+        },
+        "email" : {
+          "type" : "string"
+        },
+        "password" : {
+          "type" : "string"
+        },
+        "phone" : {
+          "type" : "string"
+        },
+        "userStatus" : {
+          "type" : "integer",
+          "format" : "int32",
+          "description" : "User Status"
+        }
+      },
+      "title" : "a User",
+      "description" : "A User who is purchasing from the pet store",
+      "xml" : {
+        "name" : "User"
+      }
+    },
+    "Tag" : {
+      "type" : "object",
+      "properties" : {
+        "id" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "name" : {
+          "type" : "string"
+        }
+      },
+      "title" : "Pet Tag",
+      "description" : "A tag for a pet",
+      "xml" : {
+        "name" : "Tag"
+      }
+    },
+    "Pet" : {
+      "type" : "object",
+      "required" : [ "name", "photoUrls" ],
+      "properties" : {
+        "id" : {
+          "type" : "integer",
+          "format" : "int64"
+        },
+        "category" : {
+          "$ref" : "#/definitions/Category"
+        },
+        "name" : {
+          "type" : "string",
+          "example" : "doggie"
+        },
+        "photoUrls" : {
+          "type" : "array",
+          "xml" : {
+            "name" : "photoUrl",
+            "wrapped" : true
+          },
+          "items" : {
+            "type" : "string"
+          }
+        },
+        "tags" : {
+          "type" : "array",
+          "xml" : {
+            "name" : "tag",
+            "wrapped" : true
+          },
+          "items" : {
+            "$ref" : "#/definitions/Tag"
+          }
+        },
+        "status" : {
+          "type" : "string",
+          "description" : "pet status in the store",
+          "enum" : [ "available", "pending", "sold" ]
+        }
+      },
+      "title" : "a Pet",
+      "description" : "A pet for sale in the pet store",
+      "xml" : {
+        "name" : "Pet"
+      }
+    },
+    "ApiResponse" : {
+      "type" : "object",
+      "properties" : {
+        "code" : {
+          "type" : "integer",
+          "format" : "int32"
+        },
+        "type" : {
+          "type" : "string"
+        },
+        "message" : {
+          "type" : "string"
+        }
+      },
+      "title" : "An uploaded response",
+      "description" : "Describes the result of uploading an image resource"
+    }
+  },
+  "externalDocs" : {
+    "description" : "Find out more about Swagger",
+    "url" : "http://swagger.io"
+  }
+}
diff --git a/samples/server/petstore/erlang-server/src/swagger_api.erl b/samples/server/petstore/erlang-server/src/swagger_api.erl
index b3020fbbf69..2fbc055ad08 100644
--- a/samples/server/petstore/erlang-server/src/swagger_api.erl
+++ b/samples/server/petstore/erlang-server/src/swagger_api.erl
@@ -271,7 +271,6 @@ request_param_info('DeleteOrder', 'orderId') ->
         source =>  binding ,
         rules => [
             {type, 'binary'},
-            {min, 1.0 },
             required
         ]
     };
@@ -281,8 +280,8 @@ request_param_info('GetOrderById', 'orderId') ->
         source =>  binding ,
         rules => [
             {type, 'integer'},
-            {max, 5.0 }, 
-            {min, 1.0 },
+            {max, 5 }, 
+            {min, 1 },
             required
         ]
     };