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[英]MessageBodyReader not found for media type=application/octet-stream
[英]Type boolean, and MIME media type application/octet-stream was not found Java (Jersey)
我正在使用Jersey版本1.12,但遇到的錯誤是
A message body writer for Java class java.lang.Boolean, and Java type boolean, and MIME media type application/octet-stream was not found
at com.sun.jersey.spi.container.ContainerResponse.write(ContainerResponse.java:285)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1451)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1363)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1353)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:414)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:708)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
我的代碼是
@POST
@Path("/save/{Name}/{data}")
@Consumes("application/x-www-form-urlencoded")
public String saveDataMap(@QueryParam("number") String number,
@PathParam("data") String data,
@PathParam("Name") String appName
MultivaluedMap<String, String> formParam) throws Exception{
boolean response =false'
try{
// some business logic
response =true
}
return response;
}
谷歌搜索此錯誤后,我發現這是由於您未指定要發送的數據的內容類型-因此,Jersey無法找到正確的MessageBodyWritter進行序列化
在此之后,我添加了使用MediaType.TEXT_PLAIN
對該方法生成注釋,但是它不起作用,但是當我將方法的返回類型更改為String
它開始起作用。
我只是想知道布爾值有什么問題,為什么布爾值不起作用? 以及如何在不將boolean更改為String的情況下解決此問題?
任何幫助將不勝感激。
我通常將這些方法編寫如下:
@POST
@Path("/save/{Name}/{data}")
@Consumes("application/x-www-form-urlencoded")
@Produces(MediaType.TEXT_PLAIN)
public Response saveDataMap(@QueryParam("number") String number,
@PathParam("data") String data,
@PathParam("Name") String appName
MultivaluedMap<String, String> formParam) throws Exception{
boolean response =false
try{
// some business logic
response =true
}
return Response.ok().entity(String.valueOf(response)).build();
}
唯一的變化是它返回一個boolean HTTP響應,該響應是通過布爾值中的字符串構建的。
希望對您有所幫助。
問候,克里斯。
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