jax rs - Jersey 2.1 - Consuming collection of POJO as JSON string -

i have collection of entities (list) need convert to/from json.

the pojo:

public class task {      private long id;      private string title;      private boolean done;     (...) } 

jersey produces following result

[{"id":1,"title":"t1","done":false},{"id":2,"title":"t2","done":false}] 

when call method:

@get @override @produces("application/json") public list<task> findall() {     (...)     return tasks; } 

so far good.

now, need consume similar json string. assumed following method trick:

@put @consumes("application/json") public void save(list<task> tasks) {     (...) } 

but instead error below:

    severe:   line 1:0 no viable alternative @ input '"[{\"id\":1,\"title\":\"t1\",\"done\":true},{\"id\":2,\"title\":\"t2\",\"done\":false}]"' 

what doing wrong? possible?

jersey's dependencies:

<dependency>     <groupid>javax.ws.rs</groupid>     <artifactid>javax.ws.rs-api</artifactid>     <version>2.0</version>     <scope>provided</scope> </dependency> <dependency>     <groupid>org.glassfish.jersey.containers</groupid>     <artifactid>jersey-container-servlet</artifactid>     <version>2.1</version>     <scope>provided</scope> </dependency> <dependency>     <groupid>org.glassfish.jersey.media</groupid>     <artifactid>jersey-media-moxy</artifactid>     <version>2.1</version> </dependency> 

here web.xml configuration

<servlet>     <servlet-name>jersey servlet</servlet-name>     <servlet-class>org.glassfish.jersey.servlet.servletcontainer</servlet-class>     <init-param>         <param-name>jersey.config.server.provider.packages</param-name>         <param-value>my.rest.package</param-value>     </init-param>     <load-on-startup>1</load-on-startup> </servlet>  <servlet-mapping>     <servlet-name>jersey servlet</servlet-name>     <url-pattern>/rest/*</url-pattern> </servlet-mapping> 

it seems you're sending corrupted json entity in message body, like:

post http://localhost:9998/test/list accept: application/json content-type: application/json "[{\"a\":\"a\",\"b\":1,\"c\":1}]" 

i able same error entity (line 1:0 no viable alternative @ input '"[{\"a\":\"a\",\"b\":1,\"c\":1}]"').

make sure you're sending valid json rest service, i.e. registering logging filter in application:

new resourceconfig()     .packages("my.rest.package")     // register logging filter , print entity.     .register(new loggingfilter(logger, true));