java.lang.NoSuchMethodError: com.fasterxml.jackson.databind.ObjectWriter.forType

异常信息：

java.lang.NoSuchMethodError: com.fasterxml.jackson.databind.ObjectWriter.forType(Lcom/fasterxml/jackson/databind/JavaType;)Lcom/fasterxml/jackson/databind/ObjectWriter;

    at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.writeInternal(AbstractJackson2HttpMessageConverter.java:265)

    at org.springframework.http.converter.AbstractGenericHttpMessageConverter.write(AbstractGenericHttpMessageConverter.java:100)

    at org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:232)

    at org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.handleReturnValue(RequestResponseBodyMethodProcessor.java:173)

    at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81)

    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:132)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)

    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)

    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)

    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)

    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)

    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1712)

    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)

    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)

    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)

    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)

    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)

    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)

    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)

    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)

    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)

    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)

    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)

    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)

    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)

    at org.eclipse.jetty.server.Server.handle(Server.java:534)

    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)

    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)

    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)

    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)

    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)

    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)

    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)

    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)

    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)

    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)

    at java.lang.Thread.run(Thread.java:745)

解决方案：pom.xml中没有引入jar包：

<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-jaxb-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>

添加就可以了。