IllegalAccessError exception when executing a simple Spring Boot application

Question

I'm following the official spring boot guide:

http://projects.spring.io/spring-boot

My Machine Info:

Apache Maven 3.1.0 
Maven home: /Users/abshammeri/apps/apache-maven-3.1.0
Java version: 1.7.0_11, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_11.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.5", arch: "x86_64", family: "mac"

POM.xml

<groupId>org.test</groupId>
<artifactId>example</artifactId>
<version>0.1.0</version>


<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.1.6.RELEASE</version>
</parent>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
</dependencies>

<properties>
    <start-class>hello.Application</start-class>
</properties>

<build>
    <plugins>
        <plugin>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>3.0</version>
    <configuration>
        <source>1.7</source>
        <target>1.7</target>
    </configuration>

        </plugin>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

And the Code:

package hello;

import org.springframework.boot.*;
import org.springframework.boot.autoconfigure.*;
import org.springframework.stereotype.*;
import org.springframework.web.bind.annotation.*;

@Controller
@EnableAutoConfiguration
public class SampleController {

    @RequestMapping("/")
    @ResponseBody
    String home() {
        return "Hello World!";
    }

    public static void main(String[] args) throws Exception {
        SpringApplication.run(SampleController.class, args);
    }
}

but I get the following Exception every time I try to mvn package && java -jar example.jar , using apache maven 3 and java 1.7 ,

java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:53)
    at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalAccessError: tried to access method org.springframework.core.io.support.SpringFactoriesLoader.loadFactoryNames(Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/List; from class org.springframework.boot.SpringApplication
    at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:367)
    at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:358)
    at org.springframework.boot.SpringApplication.initialize(SpringApplication.java:228)
    at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:204)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:952)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:941)
    at hello.Application.main(Application.java:17)

Thanks,

I can't tell why from your pom, but it looks like you've got an old version of spring-core on the classpath, where loadFactoryNames is private. What is in the lib directory of the jar that you're running? — Andy Wilkinson
– Andy Wilkinson, Commented Sep 20, 2014 at 21:54
Thanks @AndyWilkinson you are right, there were old spring jars in the extension folder of java ( in my case /Library/Java/Extensions/ ) , I removed them and everything is fine now, I'll add this as an answer. — Abdullah
– Abdullah, Commented Sep 22, 2014 at 22:27
@AndyWilkinson same for me with org.glassfish.jersey.ext:jersey-spring3:2.22.2, thx a lot — zyexal
– zyexal, Commented May 20, 2016 at 19:06

Abdullah · Accepted Answer · 2014-09-23 18:03:22Z

2

I'll answer my question based on the helpful note that's mentioned by @AndyWilkinson in the question comments, There were old spring jars (3.2) in /Library/Java/Extensions/ (it's MAC OSX path ) , I've removed them. Now java loads apache Maven jars.

edited Sep 23, 2014 at 18:03

answered Sep 22, 2014 at 22:33

Abdullah

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IllegalAccessError exception when executing a simple Spring Boot application

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