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    Thrown when an application is trying to use or access an object whose reference equals to null but if you are getting no message, try using the option -XX:-OmitStackTraceInFastThrow.

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via MuleSoft JIRA by rajesh manohar, 1 year ago
via Oracle Community by 807591, 2 months ago
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via GitHub by avasquez614
, 1 year ago
via Oracle Community by Labhan, 1 year ago
This exception has no message.
java.lang.NullPointerException at java.io.Reader.<init>(Unknown Source) at java.io.InputStreamReader.<init>(Unknown Source) at org.raml.parser.visitor.YamlValidationService.validate(YamlValidationService.java:81) at org.raml.parser.visitor.YamlValidationService.validate(YamlValidationService.java:71) at org.mule.module.apikit.Configuration.validateRaml(Configuration.java:179) at org.mule.module.apikit.Configuration.loadApiDefinition(Configuration.java:166) at org.mule.module.apikit.Router.start(Router.java:112) at org.mule.processor.chain.AbstractMessageProcessorChain.start(AbstractMessageProcessorChain.java:94) at org.mule.construct.AbstractFlowConstruct.startIfStartable(AbstractFlowConstruct.java:322) at org.mule.construct.AbstractPipeline.doStart(AbstractPipeline.java:312) at org.mule.construct.AbstractFlowConstruct$2.onTransition(AbstractFlowConstruct.java:141) at org.mule.construct.AbstractFlowConstruct$2.onTransition(AbstractFlowConstruct.java:137) at org.mule.lifecycle.AbstractLifecycleManager.invokePhase(AbstractLifecycleManager.java:138) at org.mule.construct.FlowConstructLifecycleManager.fireStartPhase(FlowConstructLifecycleManager.java:92) at org.mule.construct.AbstractFlowConstruct.start(AbstractFlowConstruct.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.mule.lifecycle.phases.DefaultLifecyclePhase.applyLifecycle(DefaultLifecyclePhase.java:237) at org.mule.lifecycle.RegistryLifecycleManager$RegistryLifecycleCallback.onTransition(RegistryLifecycleManager.java:273) at org.mule.lifecycle.RegistryLifecycleManager.invokePhase(RegistryLifecycleManager.java:152) at org.mule.lifecycle.RegistryLifecycleManager.fireLifecycle(RegistryLifecycleManager.java:123) at org.mule.registry.AbstractRegistryBroker.fireLifecycle(AbstractRegistryBroker.java:76) at org.mule.registry.MuleRegistryHelper.fireLifecycle(MuleRegistryHelper.java:118) at org.mule.lifecycle.MuleContextLifecycleManager$MuleContextLifecycleCallback.onTransition(MuleContextLifecycleManager.java:91) at org.mule.lifecycle.MuleContextLifecycleManager$MuleContextLifecycleCallback.onTransition(MuleContextLifecycleManager.java:87) at org.mule.lifecycle.MuleContextLifecycleManager.invokePhase(MuleContextLifecycleManager.java:69) at org.mule.lifecycle.MuleContextLifecycleManager.fireLifecycle(MuleContextLifecycleManager.java:61) at org.mule.DefaultMuleContext.start(DefaultMuleContext.java:270) at org.mule.module.launcher.application.DefaultMuleApplication.start(DefaultMuleApplication.java:119) at org.mule.module.launcher.artifact.ArtifactWrapper$4.execute(ArtifactWrapper.java:98) at org.mule.module.launcher.artifact.ArtifactWrapper.executeWithinArtifactClassLoader(ArtifactWrapper.java:129) at org.mule.module.launcher.artifact.ArtifactWrapper.start(ArtifactWrapper.java:93) at org.mule.module.launcher.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:26) at org.mule.module.launcher.ArchiveDeployer.guardedDeploy(ArchiveDeployer.java:269) at org.mule.module.launcher.ArchiveDeployer.deployArtifact(ArchiveDeployer.java:290) at org.mule.module.launcher.ArchiveDeployer.deployExplodedApp(ArchiveDeployer.java:257) at org.mule.module.launcher.ArchiveDeployer.deployExplodedArtifact(ArchiveDeployer.java:110) at org.mule.module.launcher.DeploymentDirectoryWatcher.deployExplodedApps(DeploymentDirectoryWatcher.java:275) at org.mule.module.launcher.DeploymentDirectoryWatcher.start(DeploymentDirectoryWatcher.java:144) at org.mule.tooling.server.application.ApplicationDeployer.main(ApplicationDeployer.java:106)