java - Spring JsonProcessingExceptin NoClassDefFoundError for rest template -

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i using jackson parser, , works rest template when requesting when try post gives me following error:

web.util.nestedservletexception:  handler processing failed;  nested exception java.lang.noclassdeffounderror: com/fasterxml/jackson/core/jsonprocessingexception

i don't know went wrong. i'm trying send post request , body should object:

@requestmapping(value = "dogcreated", method = requestmethod.post) @responsestatus(httpstatus.created) public string createdog(@modelattribute dog dog, bindingresult result, model model){ resttemplate rest = new resttemplate(); //      list< httpmessageconverter<?> > messageconverters = new arraylist< httpmessageconverter<?> >();    //      // empty list created // //      messageconverters.add( new mappingjackson2httpmessageconverter() );       //      messageconverters.add( new stringhttpmessageconverter() );          rest.getmessageconverters().add(new mappingjackson2httpmessageconverter());/*this error occurs*/         rest.getmessageconverters().add(new stringhttpmessageconverter());          objectmapper mapper = new objectmapper();         typefactory typefactory = mapper.gettypefactory();          string response = rest.postforobject("https://rest-service.herokuapp.com/createdog", dog, string.class);         system.out.println(response);

i have included both jackson dependencies in pom.xml:

<dependency>     <groupid>org.codehaus.jackson</groupid>     <artifactid>jackson-core-asl</artifactid>     <version>1.9.13</version> </dependency> <dependency>     <groupid>org.codehaus.jackson</groupid>     <artifactid>jackson-mapper-asl</artifactid>     <version>1.9.13</version> </dependency>

can tell me going wrong? more says error occurs on line:

rest.getmessageconverters().add(new mappingjackson2httpmessageconverter());

any appreciated.

this full stack trace

org.springframework.web.util.nestedservletexception: handler processing failed; nested exception java.lang.noclassdeffounderror: com/fasterxml/jackson/core/jsonprocessingexception     org.springframework.web.servlet.dispatcherservlet.triggeraftercompletionwitherror(dispatcherservlet.java:1303)     org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:977)     org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:893)     org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:967)     org.springframework.web.servlet.frameworkservlet.dopost(frameworkservlet.java:869)     javax.servlet.http.httpservlet.service(httpservlet.java:648)     org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:843)     javax.servlet.http.httpservlet.service(httpservlet.java:729)     org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52) root cause  java.lang.noclassdeffounderror: com/fasterxml/jackson/core/jsonprocessingexception     com.dogs.controller.dogcontroller.createdog(dogcontroller.java:42)     sun.reflect.nativemethodaccessorimpl.invoke0(native method)     sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62)     sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     java.lang.reflect.method.invoke(method.java:483)     org.springframework.web.method.support.invocablehandlermethod.doinvoke(invocablehandlermethod.java:221)     org.springframework.web.method.support.invocablehandlermethod.invokeforrequest(invocablehandlermethod.java:137)     org.springframework.web.servlet.mvc.method.annotation.servletinvocablehandlermethod.invokeandhandle(servletinvocablehandlermethod.java:110)     org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.invokehandlemethod(requestmappinghandleradapter.java:776)     org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.handleinternal(requestmappinghandleradapter.java:705)     org.springframework.web.servlet.mvc.method.abstracthandlermethodadapter.handle(abstracthandlermethodadapter.java:85)     org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:959)     org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:893)     org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:967)     org.springframework.web.servlet.frameworkservlet.dopost(frameworkservlet.java:869)     javax.servlet.http.httpservlet.service(httpservlet.java:648)     org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:843)     javax.servlet.http.httpservlet.service(httpservlet.java:729)     org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52) root cause  java.lang.classnotfoundexception: com.fasterxml.jackson.core.jsonprocessingexception     org.apache.catalina.loader.webappclassloaderbase.loadclass(webappclassloaderbase.java:1305)     org.apache.catalina.loader.webappclassloaderbase.loadclass(webappclassloaderbase.java:1157)     com.dogs.controller.dogcontroller.createdog(dogcontroller.java:42)     sun.reflect.nativemethodaccessorimpl.invoke0(native method)     sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62)     sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     java.lang.reflect.method.invoke(method.java:483)     org.springframework.web.method.support.invocablehandlermethod.doinvoke(invocablehandlermethod.java:221)     org.springframework.web.method.support.invocablehandlermethod.invokeforrequest(invocablehandlermethod.java:137)     org.springframework.web.servlet.mvc.method.annotation.servletinvocablehandlermethod.invokeandhandle(servletinvocablehandlermethod.java:110)     org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.invokehandlemethod(requestmappinghandleradapter.java:776)     org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.handleinternal(requestmappinghandleradapter.java:705)     org.springframework.web.servlet.mvc.method.abstracthandlermethodadapter.handle(abstracthandlermethodadapter.java:85)     org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:959)     org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:893)     org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:967)     org.springframework.web.servlet.frameworkservlet.dopost(frameworkservlet.java:869)     javax.servlet.http.httpservlet.service(httpservlet.java:648)     org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:843)     javax.servlet.http.httpservlet.service(httpservlet.java:729)     org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52)

the problem have because using old dependencies latest spring doesn't support:

<dependency>     <groupid>org.codehaus.jackson</groupid>     <artifactid>jackson-core-asl</artifactid>     <version>1.9.13</version> </dependency> <dependency>     <groupid>org.codehaus.jackson</groupid>     <artifactid>jackson-mapper-asl</artifactid>     <version>1.9.13</version> </dependency>

since above libraries changed little bit need remove dependencies , put new one:

<dependency>     <groupid>com.fasterxml.jackson.core</groupid>     <artifactid>jackson-core</artifactid>     <version>2.5.4</version> </dependency> <dependency>     <groupid>com.fasterxml.jackson.core</groupid>     <artifactid>jackson-databind</artifactid>     <version>2.5.4</version> </dependency>

change , see results. if works make answered.


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