Cannot find class [org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean] - spring

Question

I am working on a simple demo project and after fixing multiple erroes now i am stuck here,
bean declaration couldn't find class org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean .I couldn't make head or tail of the error as i see all declared properly. May be someone experienced can point out the mistake here.
A detailed explanation would be nice.
i am using spring 5.3.13
java 11
tomcat 9
Error :
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/dispatcherServlet-servlet.xml]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: No persistence units parsed from {classpath*:META-INF/persistence.xml}
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean] for bean with name 'jsonMapper' defined in ServletContext resource [/WEB-INF/dispatcherServlet-servlet.xml]; nested exception is java.lang.ClassNotFoundException: org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean] for bean with name 'xmlMapper' defined in ServletContext resource [/WEB-INF/dispatcherServlet-servlet.xml]; nested exception is java.lang.ClassNotFoundException: org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean
dispatcherServlet-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/sprin-jpa-1.8.xsd
http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
<!-- xmlns:repository="http://www.springframework.org/schema/data/repository" -->
<!-- http://www.springframework.org/schema/data/repository http://www.springframework.org/schema/data/repository/spring-repository.xsd -->
<context:component-scan base-package="org.charlie" />
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper" ref="jsonMapper"></property>
</bean>
<bean class="org.springframework.http.converter.xml.MappingJackson2xmlHttpMesssageConverter">
<property name="objectMapper" ref="xmlMapper" />
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<bean id="jsonMapper" class="org.springframework.http.converter.json.Jackson2ObjMapperFactoryBean">
<property name="simpleDateFormat" value="yyyy-MM-dd HH:mm:ss" />
</bean>
<bean id="xmlMapper" parent="jsonMapper">
<property name="createXmlMapper" value="true"/>
</bean>
<mvc:resources mapping="/webjars/**" location="classpath:META-INF/resources/webjars/" />
<jpa:repositories base-package="org.charlie.repository" />
<jdbc:embedded-database id="dataSource" type="H2">
<jdbc:script location="classpath:META-INF/sql/schema.sql" />
<jdbc:script location="classpath:META-INF/sql/data.sql" />
</jdbc:embedded-database>
<bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="showSql" value="true" />
</bean>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
<bean id="h2WebServer" class="org.h2.tools.Server" factory-method="createWebServer" init-method="start" destroy-method="stop">
<constructor-arg value="-web,-webAllowOthers,-webDaemon,-webPort,8082" />
</bean>
</beans>
persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-isntance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0">
<persistence-unit name="toDo">
<description>My Persistence Unit</description>
</persistence-unit>
</persistence>

Answer 1

It seems there is a typo. It should be Jackson2ObjectMapperFactoryBean instead of Jackson2ObjMapperFactoryBean.