[英]Throw WebServerException: Unable to start embedded Tomcat using Powermock and Springboot
[英]SpringBoot - Unable to Start embedded TomCat
我有一個 Spring Boot 應用程序。 它在 2 台服務器上運行。 服務器具有相同的配置。 其中一個它有效......另一方面,我在啟動它時遇到了這個異常
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
堆棧跟蹤持續了很多行,主要是我在自動連接和注入活動方面遇到問題,根本原因是
Invocation of init method failed; nested exception is org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set
但我的 db.properties 文件是:
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
數據庫正在運行(第二台服務器定期連接到它......)並且用戶和主機的所有權限都是正確的
這是我的 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>
我所有的休眠設置都在 HibernateConfiguration.class 中(我將此應用程序從 Spring MVC 遷移到 Spring Boot)
@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;
}
}
我不知道發生了什么
也許您可以通過更改項目 sdk 來避免這種情況。
在我的項目中,我最初使用java-11-openjdk-amd64作為我的 JDK 並且遇到了同樣的問題。
將 JDK 更改為java-8-oracle 后,它起作用了。
我有同樣的問題。 添加這個:
<dependency>
<groupId><groupId></groupId>
<artifactId><some dependency></artifactId>
<version><version></version>
<exclusions>
<exclusion>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
</exclusion>
</exclusions>
就我而言,該項目使用的是Java 8
但在我的配置中它被設置為Java 11
。 轉到項目結構->項目->項目 SDK並更改java 版本。 我希望它有幫助。
1) 使用Spring Boot時不應該直接包含其他Spring依賴,而是依賴Boot自己的依賴管理。 使用提供的“入門”時,您可以確保所有需要的庫都包含在匹配的版本中。 文檔: https : //spring.io/guides/gs/spring-boot/#use-maven
2)調度指南不是一個網絡應用程序,所以你的 pom.xml 中可能有一些來自 REST 指南的發霉的東西?
“好的”pom 將具有“spring-boot-starter-web”(為方便起見)或單獨列出的啟動器中包含的所有依賴項。 只需檢查您是否擁有它們。 還要確保在 SpringApplication 中包含 @EnableAutoConfiguration。 將在 Object 數組中運行的類添加到 SpringApplication 的 run 方法中: SpringApplication.run(new Object[]{Application.class, ScheduledTasks.class}, args);
享受:)
在 src/main/resources 下添加一個名為 application.properties 的新文件
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
刪除HibernateConfiguration
類 & 在您的 Main 類上放置@EnableTransactionManagement
注釋。
可能是關於 'starter-web' 和嵌入式 tomcat 之間的 servlet.jar 沖突,請改用以下內容。
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>2.0.4.RELEASE</version>
突然我遇到了同樣的錯誤,但對我來說是下面的依賴,只是在這里回答以節省其他人浪費時間
spring-boot-devtools
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