https://www.heckjj.com/index.php zh-cn https://www.heckjj.com/post// Heck <@hecks.tk> Tue, 02 Jan 2024 06:48:33 +0000 https://www.heckjj.com/post// Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
[20240102 14:42:43][main][ERROR][org.springframework.boot.SpringApplication:854] Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'serverEndpointExporter' defined in class path resource [com/nine/rivers/bms/system/config/WebSocketConfig.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: javax.websocket.server.ServerContainer not available
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804)
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620)
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953)
  at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:765)
  at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:445)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:338)
  at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:121)
  at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)
  at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124)
  at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124)
  at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190)
  at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132)
  at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:248)
  at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$6(ClassBasedTestDescriptor.java:350)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:355)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$7(ClassBasedTestDescriptor.java:350)
  at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
  at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
  at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
  at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
  at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
  at java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312)
  at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:743)
  at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
  at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:349)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$4(ClassBasedTestDescriptor.java:270)
  at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:269)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)
  at java.util.Optional.orElseGet(Optional.java:267)
  at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)
  at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)
  at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)
  at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
  at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)
  at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:65)
  at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$1(NodeTestTask.java:111)
  at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
  at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:111)
  at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:79)
  at java.util.ArrayList.forEach(ArrayList.java:1259)

问题分析
通过报错提示可以看出，在创建命名为 ‘serverEndpointExporter’ 的bean时出错，而这个bean是webscoket中的，而webscoket是需要依赖tomcat等容器才能启动的，恰巧运行单元测试不需要依赖tomcat容器，两者互相矛盾这就是出现该问题的原因了。

问题解决
使用tomcat容器运行单元测试，在注解 @SpringbootTest 中追加以下内容即可：
@SpringbootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
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