All geek questions in one place

SpringBoot - unable to start embedded TomCat

I have a Spring boot application. It runs on two servers. Servers have the same configuration. One of them works ... on the other hand, I get this exception on startup

2016-04-26 08:24:17.633 ERROR [localhost-startStop-1]: Error starting Tomcat context: org.springframework.beans.factory.BeanCreationException 2016-04-26 08:24:17.903 ERROR [main]: Application startup failed org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766) at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361) at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180) at it.besmart.parkserver.StartServer.main(StartServer.java:13) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:54) at java.lang.Thread.run(Thread.java:745) Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:99) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:76) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:457) at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:168) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:160) at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130) ... 14 more

The stack trace continues for a large number of lines, mostly I have problems with automatic wiring and injection, with the main reason

 Invocation of init method failed; nested exception is org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set

But my db.properties file is:

 jdbc.driverClassName = com.mysql.jdbc.Driver jdbc.url = jdbc:mysql://192.168.3.240:3306/SMARTPARK?useSSL=false jdbc.username = parkuser jdbc.password = xxxxxxxxxxxxxxxx hibernate.dialect = org.hibernate.dialect.MySQLDialect hibernate.show_sql = false hibernate.format_sql = false

The database works (the second server connects to it regularly ..), and all privileges for users and hosts are correct.

This is my pom.xml

 <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>it.besmart</groupId> <artifactId>eparkserver</artifactId> <version>1.0.0</version> <packaging>jar</packaging> <name>eparkserver</name> <description>ePark server</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.3.3.RELEASE</version> <relativePath /> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <java.version>1.8</java.version> <start-class>it.besmart.parkserver.StartServer</start-class> <!-- <tomcat.version>8.0.29</tomcat.version> --> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-logging</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-log4j</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </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-web</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>com.pi4j</groupId> <artifactId>pi4j-core</artifactId> <version>1.0</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <executable>true</executable> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-antrun-plugin</artifactId> <executions> <execution> <id>server-copy</id> <goals> <goal>run</goal> </goals> <phase>package</phase> <configuration> <target> <echo message="Push to server /home/pi/park/" /> <scp trust="yes" todir="pi: sofia2011@192.168.3.67 :/home/pi/park/"> <fileset dir="${basedir}/target"> </fileset> </scp> </target> </configuration> </execution> </executions> <dependencies> <dependency> <groupId>org.apache.ant</groupId> <artifactId>ant-jsch</artifactId> <version>1.9.6</version> </dependency> </dependencies> </plugin> </plugins> </build> </project>

All my hibernation options are in HibernateConfiguration.class (I migrated this application from Spring MVC to Spring Download)

 @Configuration @EnableTransactionManagement @ComponentScan({ "it.besmart" }) @PropertySource(value = { "classpath:db.properties" }) public class HibernateConfiguration { @Autowired private Environment environment; @Bean public LocalSessionFactoryBean sessionfactory(){ LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean(); sessionFactory.setDataSource(dataSource()); sessionFactory.setPackagesToScan(new String[] {"it.besmart.models"}); sessionFactory.setHibernateProperties(hibernateProperties()); return sessionFactory; } @Bean public DataSource dataSource() { DriverManagerDataSource dataSource = new DriverManagerDataSource(); dataSource.setDriverClassName(environment.getRequiredProperty("jdbc.driverClassName")); dataSource.setUrl(environment.getRequiredProperty("jdbc.url")); dataSource.setUsername(environment.getRequiredProperty("jdbc.username")); dataSource.setPassword(environment.getRequiredProperty("jdbc.password")); return dataSource; } private Properties hibernateProperties() { Properties properties = new Properties(); properties.put("hibernate.dialect", environment.getRequiredProperty("hibernate.dialect")); properties.put("hibernate.show_sql", environment.getRequiredProperty("hibernate.show_sql")); properties.put("hibernate.format_sql", environment.getRequiredProperty("hibernate.format_sql")); return properties; } @Bean @Autowired public HibernateTransactionManager transactionManager(SessionFactory s) { HibernateTransactionManager txManager = new HibernateTransactionManager(); txManager.setSessionFactory(s); return txManager; } }

I do not know what's happening

+5
source share
3 answers

I had the same problem. Add this:

 <dependency> <groupId><groupId></groupId> <artifactId><some dependency></artifactId> <version><version></version> <exclusions> <exclusion> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> </exclusion> </exclusions>

+2
source

1) When using Spring Boot, you should not include other Spring dependencies directly, but rely on managing your own Boot boot. When using the provided "starters", you can be sure that all the necessary libraries will be included in the corresponding version. Documentation: https://spring.io/guides/gs/spring-boot/#use-maven

2) The planning guide is not a web application, so you probably have some kind of moldy stuff in your pom.xml from the REST manual?

A “good” pom would have “spring-boot-starter-web” (for convenience) or all dependencies included in the starter are listed separately. Just make sure you have them. Also make sure you include @EnableAutoConfiguration in your SpringApplication. Add the classes to run in the Object array to the SpringApplication launch method: SpringApplication.run (new Object [] {Application.class, ScheduledTasks.class}, args);

Enjoy :)

0
source

Add a new file in src / main / resources named application.properties

 spring.datasource.driverClassName=com.mysql.jdbc.Driver spring.datasource.url=jdbc:mysql://192.168.3.240:3306/SMARTPARK?useSSL=false spring.datasource.password=xxxxxxxxxxxxxxxx spring.datasource.username=parkuser spring.jpa.database-platform=org.hibernate.dialect.MySQLDialect spring.jpa.show-sql=true

Remove the HibernateConfiguration class and add the @EnableTransactionManagement annotation to the main class.

0
source

Source: https://habr.com/ru/post/1247921/

More articles:


All Articles