我已经使用泽西建立了一个休息室,我尝试处理异常。 我注册杰克逊JSON使用这个类就JSON映射所有操作如何默认处理器:处理杰克逊例外
@javax.ws.rs.ApplicationPath("/")
public class MyApplication extends ResourceConfig {
public MyApplication() {
packages("controller");
register(JacksonFeature.class);
}
}
我定义的异常映射赶上像一些例外,例如“UnauthorizedException”和“BadRequestException”使用下面的类:
@Provider
public class ClientExceptionMapper implements ExceptionMapper<BaseException>
{
@Override
public Response toResponse(BaseException ex)
{
System.out.println("qwertweryt");
if(ex instanceof UnauthorizedException)
{
System.out.println("Unauthorized!");
return (((UnauthorizedException)ex).getResponse());
}
else if(ex instanceof BadrequestException)
{
System.out.println("Badrequest!");
return (((BadrequestException)ex).getResponse());
}
return null;
}
}
其中BaseException,UnauthorizedException和BarequestException分别为:
public abstract class BaseException extends WebApplicationException
{
private Response r;
public BaseException(Response response)
{
r = response;
}
public Response getResponse()
{
return r;
}
}
public class UnauthorizedException extends BaseException
{
public UnauthorizedException(Response response)
{
super(response);
}
}
public class BadrequestException extends BaseException
{
public BadrequestException(Response response)
{
super(response);
}
}
因此,所有工作正常,直到我处理杰克逊异常......事实上,我定义了另一个异常映射器,类似于第一个,以处理杰克逊生成的所有异常(例如JsonMappingException),但不起作用。我报告你,我得到错误由我的应用程序:
org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized field "serverr" (Class controller.server.control.response.GetServerDetailsResponse), not marked as ignorable
at [Source: [email protected]; line: 1, column: 14] (through reference chain: controller.server.control.response.GetServerDetailsResponse["serverr"])
at org.codehaus.jackson.map.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:53)
at org.codehaus.jackson.map.deser.StdDeserializationContext.unknownFieldException(StdDeserializationContext.java:267)
at org.codehaus.jackson.map.deser.std.StdDeserializer.reportUnknownProperty(StdDeserializer.java:673)
at org.codehaus.jackson.map.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:659)
at org.codehaus.jackson.map.deser.BeanDeserializer.handleUnknownProperty(BeanDeserializer.java:1365)
at org.codehaus.jackson.map.deser.BeanDeserializer._handleUnknown(BeanDeserializer.java:725)
at org.codehaus.jackson.map.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:703)
at org.codehaus.jackson.map.deser.BeanDeserializer.deserialize(BeanDeserializer.java:580)
at org.codehaus.jackson.map.ObjectMapper._readValue(ObjectMapper.java:2704)
at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1315)
at org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:419)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.aroundReadFrom(ReaderInterceptorExecutor.java:181)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:134)
at org.glassfish.jersey.server.internal.MappableExceptionWrapperInterceptor.aroundReadFrom(MappableExceptionWrapperInterceptor.java:72)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:134)
我的第一个问题是:它可能是这两类冲突中去,也就是有没有在同一个项目中的两个例外映射器?第二个问题是:我该如何解决这个问题? 我希望我很清楚,并提前感谢您的帮助!
嗨,我刚刚读了一篇文章,其中提出了我有同样的问题;我向你汇报问题的链接:Jersey: Returning 400 error instead of 500 when given invalid request body。 作为第一件事,我尝试在帖子的第一个答案中编写的代码,但结果与以前一样:我总是获得500错误代码而不是400,当我明确地在请求正文中插入错误时。 我也试着把@JsonIgnoreProperties(ignoreUnknown = true)放在拦截请求正文的类上面,但对我不起作用。