Springアプリケーションの実行時に発生するエラーを解決したい

やりたいこと

エラーの解決をしたい。

発生しているエラー

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is java.lang.NullPointerException

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is java.lang.NullPointerException

Caused by: java.lang.NullPointerException: null
	at net.sf.log4jdbc.Log4jdbcProxyDataSource.getConnection(Log4jdbcProxyDataSource.java:89) ~[log4jdbc-remix-0.2.7.jar:na]

コントローラ

package com.example.web;

import java.io.ByteArrayOutputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.example.service.BOX;

@Controller
public class BOXController {
	@Autowired
	BOX box;
	
	@RequestMapping("/index")
	public String Path() {
		return "index";
	}
	@RequestMapping("/result")
	@ResponseBody 
    public HttpEntity<byte[]> doDownload(Model model, HttpServletResponse response,
            HttpServletRequest httprequest) throws Exception {
        
        // TODO ファイルを作成
        PDDocument document = box.out();
        
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            document.save(bos);
            byte[] bytes = bos.toByteArray();
            bos.close();
            HttpHeaders header = new HttpHeaders();
            // ダウンロード時のファイル名を指定
            header.set("Content-Disposition", "attachment; filename=Helloworld.pdf");
            header.setContentLength(bytes.length);
            return new HttpEntity<byte[]>(bytes, header);
        } catch (Exception e) {
            e.printStackTrace();
        }
        
        return null;
    }
}

pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.3.4.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>hajiboot-PDF</artifactId>
	<version>1.0.0-SNAPSHOT</version>
	<name>hajiboot-PDF</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<java.version>11</java.version>
		<vaadin.version>14.4.0</vaadin.version>
	</properties>

	<dependencies>
		<dependency>
    		<groupId>org.hibernate</groupId>
    		<artifactId>hibernate-entitymanager</artifactId>
    		<version>5.2.3.Final</version>
		</dependency>
		<dependency>
    		<groupId>org.hibernate</groupId>
   		 	<artifactId>hibernate-core</artifactId>
		</dependency>
		<dependency>
    		<groupId>org.hibernate</groupId>
    		<artifactId>hibernate-entitymanager</artifactId>

		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-thymeleaf</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>com.h2database</groupId>
			<artifactId>h2</artifactId>
		</dependency>
		<dependency>
			<groupId>org.lazyluke</groupId>
			<artifactId>log4jdbc-remix</artifactId>
			<version>0.2.7</version>
		</dependency>
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-rest</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jersey</artifactId>
		</dependency>
	<dependency>
  		<groupId>javax.servlet</groupId>
  		<artifactId>servlet-api</artifactId>
  		<version>2.5</version>
  		<scope>provided</scope>
	</dependency>
	<dependency>
            <groupId>org.thymeleaf</groupId>
            <artifactId>thymeleaf</artifactId>
            <version>3.0.11.RELEASE</version>
            <scope>compile</scope>
        </dependency>
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-rest-hal-explorer</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.session</groupId>
			<artifactId>spring-session-core</artifactId>
		</dependency>
	<dependency>
  <groupId>org.apache.pdfbox</groupId>
  <artifactId>pdfbox</artifactId>
  <version>2.0.4</version>
</dependency>
		<dependency>
    		<groupId>org.apache.poi</groupId>
    		<artifactId>poi</artifactId>
   			<version>4.1.2</version>
  		</dependency>
  		<dependency>
		<groupId>org.apache.commons</groupId>
		<artifactId>commons-collections4</artifactId>
		<version>4.1</version>
	</dependency>
	<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-compress -->
	<dependency>
		<groupId>org.apache.commons</groupId>
		<artifactId>commons-compress</artifactId>
		<version>1.18</version>
	</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web-services</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-webflux</artifactId>
		</dependency>
		<dependency>
			<groupId>com.vaadin</groupId>
			<artifactId>vaadin-spring-boot-starter</artifactId>
		</dependency>
 		<dependency>
            <groupId>org.springframework.plugin</groupId>
            <artifactId>spring-plugin-core</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
			<exclusions>
				<exclusion>
					<groupId>org.junit.vintage</groupId>
					<artifactId>junit-vintage-engine</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>io.projectreactor</groupId>
			<artifactId>reactor-test</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>
		<dependency>
       		 <groupId>javax.xml.bind</groupId>
       		 <artifactId>jaxb-api</artifactId>
		</dependency>
	</dependencies>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>com.vaadin</groupId>
				<artifactId>vaadin-bom</artifactId>
				<version>${vaadin.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<configuration>
                <mainClass>org.example.demo.BOXContoroller</mainClass>
            </configuration>
			</plugin>
		</plugins>
	</build>

</project>