title: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException:
body: <p>i have some problem with my constructor in one my controller. I try to call one service in a constructor. The Service is autowired in an AbstractController, but i got a nullpointer exception. </p>
  
  <p>A component:</p>
  
  <pre><code>@Component
  @RestController
  @RequestMapping(value = "/test", ...)
  public class AController extends AbstractController {
  
      @Autowired
      SomeService someService;
  
      public AController(){
          globalService.setClazz(Test.class);
      }
  ....
  </code></pre>
  
  <p>here the AbstractController: </p>
  
  <pre><code>public abstract class AbstractController&lt;T&gt; {
  
      @Autowired
      GlobalService globalService;
  
      ...
  </code></pre>
  
  <p>here the exception. It is throwed in by <code>globalService.setClazz(Test.class);</code></p>
  
  <pre><code> Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.x.server.controller.AController]: Constructor threw exception; nested exception is java.lang.NullPointerException -&gt; [Help 1]
  org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.3.1.RELEASE:run (default-cli) on project eza: An exception occurred while running. null
          at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
          at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
          at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
          at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
          at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
          at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
          at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
          at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
          at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
          at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
          at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
          at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
          at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
          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.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
          at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
          at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
          at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
  Caused by: org.apache.maven.plugin.MojoExecutionException: An exception occurred while running. null
          at org.springframework.boot.maven.AbstractRunMojo$IsolatedThreadGroup.rethrowUncaughtException(AbstractRunMojo.java:438)
          at org.springframework.boot.maven.RunMojo.runWithMavenJvm(RunMojo.java:61)
          at org.springframework.boot.maven.AbstractRunMojo.run(AbstractRunMojo.java:215)
          at org.springframework.boot.maven.AbstractRunMojo.execute(AbstractRunMojo.java:174)
          at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
          at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
          ... 20 more
  Caused by: java.lang.reflect.InvocationTargetException
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:497)
          at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:467)
          at java.lang.Thread.run(Thread.java:745)
  Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'movieController' defined in file [...com/x/server/controller/AController.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.x.server.controller.AController]: Constructor threw exception; nested exception is java.lang.NullPointerException
          at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1105)
          at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050)
          at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
          at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
          at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
          at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
          at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
          at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
          at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
          at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
          at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
          at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
          at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:764)
          at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:357)
          at org.springframework.boot.SpringApplication.run(SpringApplication.java:305)
          at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)
          at com.x.server.Application.main(Application.java:36)
          ... 6 more
  Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.x.server.controller.AController]: Constructor threw exception; nested exception is java.lang.NullPointerException
          at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
          at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89)
          at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1098)
          ... 22 more
  Caused by: java.lang.NullPointerException
          at com.x.server.controller.AController.&lt;init&gt;(AController.java:40)
          at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
          at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
          at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
          at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
          at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
          ... 24 more
  </code></pre>
  
  <p>Thanks for helping</p>