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 Spring-Boot-2.0.0-M1版本将默认的数据库连接池从tomcat jdbc pool改为了hikari，这里主要研究下hikari的默认配置

0.  创建Spring Boot项目，选中 Web、MySQL、JDBC 依赖

 

 1. 启动类默认加载了DataSourceAutoConfiguration，默认数据源是HikariDataSource

@SpringBootApplicationpublic class SpringBootJdbcApplication {public static void main(String[] args) {SpringApplication.run(SpringBootJdbcApplication.class, args);}
}

 

 2. 数据源配置文件属性

spring:datasource:url: jdbc:mysql://localhost:3306/springboot   //系统自带的默认数据源配置中，用 url，若是自定义的HikariDataSource，用jdbcUrl  (自定义的其它类型数据源名称取什么待测)
    username: rootpassword: xiaochaodriver-class-name: com.mysql.cj.jdbc.Driver　　　　//老版本用com.mysql.jdbc.Drivername: hikari

 

3. 测试

@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringBootJdbcApplicationTests {@AutowiredDataSource dataSource;@Testpublic void contextLoads() throws SQLException {System.out.println(dataSource.getClass().getName());System.out.println(dataSource.getConnection());}}
结果：
HikariProxyConnection@265939934 wrapping com.mysql.cj.jdbc.ConnectionImpl@14982a82
com.zaxxer.hikari.HikariDataSource

 

  

4. 自定义数据源

　　4.1 首先排除掉系统默认数据源

• 　　exclude：排除，不包括，祛除，赶出，反义词 ： include

  @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})public class SpringBootJdbcApplication {public static void main(String[] args) {SpringApplication.run(SpringBootJdbcApplication.class, args);}
  }

　　4.2 在配置类中加入自定义的线程池

• @Bean
  @ConfigurationProperties("spring.datasource") //此配置项名称是自定义的，只要和配置文件中的各项名称对应上就好
  public HikariDataSource dataSource() {return DataSourceBuilder.create().type(HikariDataSource.class).build();
  }

   

• 4.3 把配置文件中的spring.datasource.url 改为spring.datasource.jdbcUrl

• 4.4 自动以tomcat jdbc 数据源 首先引入tomcat-jdbc依赖

• <dependency><groupId>org.apache.tomcat</groupId><artifactId>tomcat-jdbc</artifactId><version>9.0.13</version>
  </dependency>

   

• 配置tomcat数据源Bean

　　

@Configuration
public class MyConfig {
@Bean@ConfigurationProperties("spring.datasource") //此配置项名称是自定义的，只要能和配置文件中的各项名称对应上就好public org.apache.tomcat.jdbc.pool.DataSource dataSource() {return DataSourceBuilder.create().type(org.apache.tomcat.jdbc.pool.DataSource.class).build();}}

 

自定义其它类型的数据源方式同理

 

配置多个数据源

 

 

 

 

 5. 数据源自动配置   源码解析

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package org.springframework.boot.autoconfigure.jdbc;import com.zaxxer.hikari.HikariDataSource;
import javax.sql.DataSource;
import org.apache.commons.dbcp2.BasicDataSource;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DatabaseDriver;
import org.springframework.context.annotation.Bean;
import org.springframework.util.StringUtils;abstract class DataSourceConfiguration {DataSourceConfiguration() {}protected static <T> T createDataSource(DataSourceProperties properties, Class<? extends DataSource> type) {return properties.initializeDataSourceBuilder().type(type).build();}@ConditionalOnMissingBean({DataSource.class})@ConditionalOnProperty(name = {"spring.datasource.type"})static class Generic {Generic() {}@Beanpublic DataSource dataSource(DataSourceProperties properties) {return properties.initializeDataSourceBuilder().build();}}@ConditionalOnClass({BasicDataSource.class})@ConditionalOnMissingBean({DataSource.class})@ConditionalOnProperty(name = {"spring.datasource.type"},havingValue = "org.apache.commons.dbcp2.BasicDataSource",matchIfMissing = true)static class Dbcp2 {Dbcp2() {}@Bean@ConfigurationProperties(prefix = "spring.datasource.dbcp2")public BasicDataSource dataSource(DataSourceProperties properties) {return (BasicDataSource)DataSourceConfiguration.createDataSource(properties, BasicDataSource.class);}}@ConditionalOnClass({HikariDataSource.class})@ConditionalOnMissingBean({DataSource.class})@ConditionalOnProperty(name = {"spring.datasource.type"},havingValue = "com.zaxxer.hikari.HikariDataSource",matchIfMissing = true)static class Hikari {Hikari() {}@Bean@ConfigurationProperties(prefix = "spring.datasource.hikari")public HikariDataSource dataSource(DataSourceProperties properties) {HikariDataSource dataSource = (HikariDataSource)DataSourceConfiguration.createDataSource(properties, HikariDataSource.class);if (StringUtils.hasText(properties.getName())) {dataSource.setPoolName(properties.getName());}return dataSource;}}@ConditionalOnClass({org.apache.tomcat.jdbc.pool.DataSource.class})@ConditionalOnMissingBean({DataSource.class})@ConditionalOnProperty(name = {"spring.datasource.type"},havingValue = "org.apache.tomcat.jdbc.pool.DataSource",matchIfMissing = true)static class Tomcat {Tomcat() {}@Bean@ConfigurationProperties(prefix = "spring.datasource.tomcat")public org.apache.tomcat.jdbc.pool.DataSource dataSource(DataSourceProperties properties) {org.apache.tomcat.jdbc.pool.DataSource dataSource = (org.apache.tomcat.jdbc.pool.DataSource)DataSourceConfiguration.createDataSource(properties, org.apache.tomcat.jdbc.pool.DataSource.class);DatabaseDriver databaseDriver = DatabaseDriver.fromJdbcUrl(properties.determineUrl());String validationQuery = databaseDriver.getValidationQuery();if (validationQuery != null) {dataSource.setTestOnBorrow(true);dataSource.setValidationQuery(validationQuery);}return dataSource;}}
}

 

 

 

参考文档：Spring Boot 官方文档 ——  84.1 Configure a Custom DataSource 章节

 

package org.springframework.boot.autoconfigure.jdbc;@Configuration
@ConditionalOnClass({DataSource.class, EmbeddedDatabaseType.class})
@EnableConfigurationProperties({DataSourceProperties.class})
@Import({DataSourcePoolMetadataProvidersConfiguration.class, DataSourceInitializationConfiguration.class})
public class DataSourceAutoConfiguration {public DataSourceAutoConfiguration() {}。。。。。。
}

 

@Configuration
@Import({DataSourceInitializerInvoker.class, DataSourceInitializationConfiguration.Registrar.class})
class DataSourceInitializationConfiguration {DataSourceInitializationConfiguration() {}static class Registrar implements ImportBeanDefinitionRegistrar {private static final String BEAN_NAME = "dataSourceInitializerPostProcessor";Registrar() {}public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata, BeanDefinitionRegistry registry) {if (!registry.containsBeanDefinition("dataSourceInitializerPostProcessor")) {GenericBeanDefinition beanDefinition = new GenericBeanDefinition();beanDefinition.setBeanClass(DataSourceInitializerPostProcessor.class);beanDefinition.setRole(2);beanDefinition.setSynthetic(true);registry.registerBeanDefinition("dataSourceInitializerPostProcessor", beanDefinition);}}}
}

 

 

 

package org.springframework.boot.autoconfigure.jdbc;import javax.sql.DataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;  //此类是一个监听器class DataSourceInitializerInvoker implements ApplicationListener<DataSourceSchemaCreatedEvent>, InitializingBean {private static final Log logger = LogFactory.getLog(DataSourceInitializerInvoker.class);private final ObjectProvider<DataSource> dataSource;private final DataSourceProperties properties;private final ApplicationContext applicationContext;private DataSourceInitializer dataSourceInitializer;private boolean initialized;DataSourceInitializerInvoker(ObjectProvider<DataSource> dataSource, DataSourceProperties properties, ApplicationContext applicationContext) {this.dataSource = dataSource;this.properties = properties;this.applicationContext = applicationContext;}public void afterPropertiesSet() {DataSourceInitializer initializer = this.getDataSourceInitializer();if (initializer != null) {boolean schemaCreated = this.dataSourceInitializer.createSchema();  //run DDL schemaif (schemaCreated) {this.initialize(initializer);}}}private void initialize(DataSourceInitializer initializer) {try {this.applicationContext.publishEvent(new DataSourceSchemaCreatedEvent(initializer.getDataSource()));if (!this.initialized) {this.dataSourceInitializer.initSchema();　　//run init data schemathis.initialized = true;}} catch (IllegalStateException var3) {logger.warn("Could not send event to complete DataSource initialization (" + var3.getMessage() + ")");}}//监听器监听到事件后运行的方法public void onApplicationEvent(DataSourceSchemaCreatedEvent event) {DataSourceInitializer initializer = this.getDataSourceInitializer();if (!this.initialized && initializer != null) {initializer.initSchema();  //run init data schemathis.initialized = true;}}private DataSourceInitializer getDataSourceInitializer() {if (this.dataSourceInitializer == null) {DataSource ds = (DataSource)this.dataSource.getIfUnique();if (ds != null) {this.dataSourceInitializer = new DataSourceInitializer(ds, this.properties, this.applicationContext);}}return this.dataSourceInitializer;}
}

 

 

package org.springframework.boot.autoconfigure.jdbc;
import ......;
class DataSourceInitializer { //【初始化程序】 private static final Log logger = LogFactory.getLog(DataSourceInitializer.class);private final DataSource dataSource;private final DataSourceProperties properties;private final ResourceLoader resourceLoader;DataSourceInitializer(DataSource dataSource, DataSourceProperties properties, ResourceLoader resourceLoader) {this.dataSource = dataSource;this.properties = properties;this.resourceLoader = (ResourceLoader)(resourceLoader != null ? resourceLoader : new DefaultResourceLoader());}DataSourceInitializer(DataSource dataSource, DataSourceProperties properties) {this(dataSource, properties, (ResourceLoader)null);}public DataSource getDataSource() {return this.dataSource;}//建表SQL,classpath*:schema-*.sqlpublic boolean createSchema() {
//this.properties.getSchema()即：用户在配置文件中指定的 spring.datasource.schema=xxxList<Resource> scripts = this.getScripts("spring.datasource.schema", this.properties.getSchema(), "schema");if (!scripts.isEmpty()) {if (!this.isEnabled()) {logger.debug("Initialization disabled (not running DDL scripts)");return false;}String username = this.properties.getSchemaUsername();String password = this.properties.getSchemaPassword();this.runScripts(scripts, username, password);}return !scripts.isEmpty();}
//初始化数据SQL ,classpath*:data-*.sqlpublic void initSchema() {
　　　　 //this.properties.getData 即：用户在配置文件中自定义的：spring.datasource.data=XXXList<Resource> scripts = this.getScripts("spring.datasource.data", this.properties.getData(), "data");if (!scripts.isEmpty()) {if (!this.isEnabled()) {logger.debug("Initialization disabled (not running data scripts)");return;}String username = this.properties.getDataUsername();String password = this.properties.getDataPassword();this.runScripts(scripts, username, password);}}。。。。。。

    //根据特定名称规则获取SQL脚本文件private List<Resource> getScripts(String propertyName, List<String> resources, String fallback) {if (resources != null) { //指定名称的脚本文件名字集合return this.getResources(propertyName, resources, true); //从指定名称的脚本名字文件集合中获取脚本SQL} else { //若是没有指定的，则在类路径下寻找通配规则的脚本文件String platform = this.properties.getPlatform(); //平台，纲领List<String> fallbackResources = new ArrayList();
　　　　　　　//这里为啥add（） 2个 SQL？fallbackResources.add("classpath*:" + fallback + "-" + platform + ".sql");  //DatasourceProperties中的构造器中，platform默认被赋值为  allfallbackResources.add("classpath*:" + fallback + ".sql");return this.getResources(propertyName, fallbackResources, false);}} 。。。。。。//运行SQL脚本private void runScripts(List<Resource> resources, String username, String password) {if (!resources.isEmpty()) {ResourceDatabasePopulator populator = new ResourceDatabasePopulator();populator.setContinueOnError(this.properties.isContinueOnError());populator.setSeparator(this.properties.getSeparator());if (this.properties.getSqlScriptEncoding() != null) {populator.setSqlScriptEncoding(this.properties.getSqlScriptEncoding().name());}Iterator var5 = resources.iterator();while(var5.hasNext()) {Resource resource = (Resource)var5.next();populator.addScript(resource);}DataSource dataSource = this.dataSource;if (StringUtils.hasText(username) && StringUtils.hasText(password)) {dataSource = DataSourceBuilder.create(this.properties.getClassLoader()).driverClassName(this.properties.determineDriverClassName()).url(this.properties.determineUrl()).username(username).password(password).build();}DatabasePopulatorUtils.execute(populator, dataSource);}}
}

 

 

package org.springframework.boot.autoconfigure.jdbc;@ConfigurationProperties(prefix = "spring.datasource"
)
public class DataSourceProperties implements BeanClassLoaderAware, InitializingBean {private Class<? extends DataSource> type;private String driverClassName;private String url;private String username;private String password;private DataSourceInitializationMode initializationMode;private String platform;private List<String> schema;private Charset sqlScriptEncoding;......public DataSourceProperties() {this.initializationMode = DataSourceInitializationMode.EMBEDDED;this.platform = "all";this.continueOnError = false;this.separator = ";";this.embeddedDatabaseConnection = EmbeddedDatabaseConnection.NONE;this.xa = new DataSourceProperties.Xa();}
}

 

通配规则：schema‐*.sql、data‐*.sql，　　优先级第三高   eg：schema-emp.sql, schema-dept.sql；　　data-emp.sql ，data-dept.sql

默认规则：schema.sql，schema‐all.sql (或者关系，给用户多个选择)；　　 优先级第二高，

自定义规则：yml中配置，根据上面代码，优先级高

spring:

　　datasource:

　　　　schema:

　　　　　　‐ classpath: department.sql

　　　　　　‐ classpath: user.sql

　　　　　　......　　

　　　　data:

　　　　　　‐ classpath: department_initData.sql

　　　　　　‐ classpath: user_initData.sql

　　　　　　......

　　自定义指定的SQL文件

 

 

---

 

经过测验，schema.sql 和schema-all.sql 在resources目录下并没有生效，有待继续查验

 

6. jdbcTemplate操作数据库

---

@Controller
@RequestMapping("/user")
public class UserController {@AutowiredJdbcTemplate jdbcTemplate;@ResponseBody@RequestMapping("/getById2/{id}")public List<Map<String, Object>> selectByPrimaryKey2(@PathVariable Integer id){
　　　　　//这种query is OK List<Map<String, Object>> maps = jdbcTemplate.queryForList("SELECT * FROM USER");return maps;//以下几种方式都会产生error,error信息见下文：待查明
//        Object[] obj = new Object[1];
//        obj[0] = id;
//        return jdbcTemplate.queryForList("select * from user where id = ?", obj,User.class);
//        return jdbcTemplate.queryForList("SELECT * FROM USER", User.class);
//        return jdbcTemplate.queryForObject("select id,name,sex,age from user where id = " + id,User.class);
    }
}

 

 

 

 

 

org.springframework.jdbc.IncorrectResultSetColumnCountException: Incorrect column count: expected 1, actual 4at org.springframework.jdbc.core.SingleColumnRowMapper.mapRow(SingleColumnRowMapper.java:110) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:94) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:61) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.JdbcTemplate$1QueryStatementCallback.doInStatement(JdbcTemplate.java:440) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:376) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:452) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:462) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.jdbc.core.JdbcTemplate.queryForList(JdbcTemplate.java:485) ~[spring-jdbc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at com.everjiankang.cache.controller.UserController.selectByPrimaryKey2(UserController.java:53) ~[classes/:na]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882) ~[spring-webmvc-5.1.3.RELEASE.jar:5.1.3.RELEASE]at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.1.3.RELEASE.jar:5.1.3.RELEASE]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) ~[tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417) [tomcat-embed-core-9.0.13.jar:9.0.13]at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.13.jar:9.0.13]at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.13.jar:9.0.13]at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]