I have one spring application(dependency) as a lib and other is simple java application(dependenct). I am trying to run java class from which i am calling spring main method. after running java -cp dependent-0.0.1-SNAPSHOT.jar com.example.dependent.DependentApplication it is giving me below:
ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console... Exception in thread "main" java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.context.ApplicationContextInitializer : org.springframework.boot.context.ConfigurationWarningsApplicationContextInitializer at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:456) at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:438) at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:431) at org.springframework.boot.SpringApplication.(SpringApplication.java:262) at org.springframework.boot.SpringApplication.(SpringApplication.java:241) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) at com.example.dependency.DependencyApplication.main(DependencyApplication.java:11) at com.example.dependent.DependentApplication.main(DependentApplication.java:11) Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.ConfigurationWarningsApplicationContextInitializer at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at java.base/java.lang.Class.forName0(Native Method) at java.base/java.lang.Class.forName(Class.java:467) at org.springframework.util.ClassUtils.forName(ClassUtils.java:284) at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:449) ... 8 more
Pom.xml for spring application (dependency)below.
<?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>2.6.6</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>dependency</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>dependency</name>
<description>dependency project for Spring Boot</description>
<properties>
<java.version>1.8</java.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-log4j2</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<archive>
<manifest>
<mainClass>com.example.dependency.DependencyApplication</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
</plugins>
</build>
</project>
Dependent 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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>dependent</artifactId>
<name>dependent</name>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>com.example</groupId>
<artifactId>dependency</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<minimizeJar>true</minimizeJar>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<java.version>1.8</java.version>
<maven.compiler.source>1.8</maven.compiler.source>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
</project>