resteasy | 易学教程

Swagger UI doesn't support uploading a file properly for RestEasy

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问题 I use a JAX-RS (RestEasy) along with a Swagger. One of my endpoint can upload a file. Defined way to upload the file (in RestEasy) is to provide a org.jboss.resteasy.plugins.providers.multipart.MultipartFormDataInput as a parameter. Here is my endpoint: @PUT @Path("/apis/{id}/file") @Consumes(MediaType.MULTIPART_FORM_DATA) @Produces(MediaType.APPLICATION_JSON) @ApiOperation(value = "Registers a file.", code = 201, nickname = "registerFile") @ApiResponses( value = { @ApiResponse(code = 201,

RestEasy: Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: application/json

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问题 message: Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: application/json Description: The server encountered an internal error (Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: application/json) that prevented it from fulfilling this request @GET @Path("/{userName}/questions") //@Produces("application/json") public Response getUserQuestions(@PathParam("userName") String userName){ UserDAO userDAO

RestEasy: Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: application/json

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Why is there no maven resteasy-jaxrs package for version 4.2.0?

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问题 Last release I see in maven for resteasy-jaxrs is 3.8.1. When trying to upgrade resteasy-client to 4.2.0 there is a dependency in there on resteasy-jaxrs:4.2.0 : org.jboss.resteasy.plugins.providers.RegisterBuiltin.getClientInitializedResteasyProviderFactory . This dependency is not listed in the pom and also it hasn't been published anywhere that I can see...only thing I see is resteasy-jaxrs-all which has a lot more jars than I want. Are we not supposed to be using the resteasy-jaxrs

REST easy with kbmMW #14 – DB Controlled login

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介绍关于如何使用授权和登录管理来构建应用服务器还存在一些问题，其中之一就是用户及其角色如何在在数据库中定义。该文将解释使用TkbmMWAuthorizationManager解决此问题的一种方法。有关其他的信息，可以参考前文 REST easy with kbmMW #4 – Access management 首先，我们应该有一些需要登录支持的服务器。对于此示例，我选择了FishFact REST服务器。该服务器的实现可参考 kbmMW #12 – Fishfact demo using HTTP.sys transport . 添加安全登录基于该服务器，我们将 TjkbmMWAuthorizationManager 添加到主窗体（Unit1）。然后我们需要确定如何从数据库中存储和访问用户信息。由于此示例已使用ORM访问数据库，因此继续使用ORM实现用户管理。让我们添加一个描述用户的类： [kbmMW_Table( ' name:user ' )] TUser = class private FID:kbmMWNullable < string > ; FName:kbmMWNullable < string > ; FPassword:kbmMWNullable < string > ; FRole:kbmMWNullable < string > ;

RESTEasy Seam integration application HTTP Status 404 - Could not find resource for relative path of full path

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问题 I am trying RestEasy in jboss seam build application. What i did so far is updated components.xml <components xmlns:resteasy="http://jboss.org/schema/seam/resteasy" xsi:schemaLocation= http://jboss.org/schema/seam/resteasy http://jboss.org/schema/seam/resteasy-2.3.xsd http://jboss.org/schema/seam/components http://jboss.org/schema/seam/components-2.3.xsd"> My Resource class is @Path("/customer") @Name("customer") @Scope(ScopeType.SESSION) public class HelloWorldRestEasy { @Path("/customerId")

RESTEasy Seam integration application HTTP Status 404 - Could not find resource for relative path of full path

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JSON Binding @JsonbTypeDeserializer annotation ignored on enums?

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问题 I'm converting a JAXB application to JSON-B and I've run into an issue while trying to deserialize a Java enum using a custom JsonbDeserializer inside one of my tests. The original JSON I need to deserialize contains int s referencing the enum's constants. Therefore my custom JsonbDeserializer needs to take the int and return the enum constant with the matching ordinal . It looks like this: @JsonbTypeDeserializer(Region.RegionDeserializer.class) public enum Region implements BaseEnum { REGION

javax.ws.rs.ProcessingException: RESTEASY004655: Unable to invoke request

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问题 I'm trying, as a client , to post a zip file to a "Restservice", using RestEasy 3.0.19 . This is the code: public void postFileMethod(String URL) { Response response = null; ResteasyClient client = new ResteasyClientBuilder().build(); ResteasyWebTarget target = client.target(URL); MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create(); FileBody fileBody = new FileBody(new File("C:/sample/sample.zip"), ContentType.MULTIPART_FORM_DATA); entityBuilder.addPart("my_file", fileBody)

Restful api 防止重复提交

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当前很多网站是前后分离的，前端（android,iso,h5）通过restful API 调用后端服务器，这就存在一个问题，对于创建操作，比如购买某个商品，如果由于某种原因，手抖，控件bug,网络错误，可能导致一次操作实际上购买了多次同一个产品。所以，我们要考虑防止重复提交。这个重复提交我们只限定于创建操作，对于修改和删除操作，原则上是幂等的，不用担心，查询操作更不用担心重复操作。方案一，前端在提交时候生成一个基于时间的sequence,将这个参数传到后端，后端根据uriPath+userId+sequence作为key，采用redis分布式锁，setNX,防止重复提交方案二，前端不用传递sequence，后端根据请求的payload和其他参数来确定唯一，uriPath+userId+MD5(JsonString(所有参数))作为key,用redis分布式锁具体实现：对于方案一，防止重复提交交给了前端控制，sequence的生成可以是时间戳。后端可以做在servlet filter 中或者在restful 框架的filter中比如resteasy 的ContainerRequestFilter中对于第二种方案，防止重复提交完全由后端控制，前端无感，不能做在filter中，因为request payload只能被消费一次。可以用spring aop来实现

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