HTTP Status 500 – Internal Server Error


Type Exception Report

Message Servlet.init() for servlet [rest] threw exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: Servlet.init() for servlet [rest] threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.rewrite.RewriteValve.invoke(RewriteValve.java:305)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:624)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1673)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:748)

Root Cause

java.lang.IllegalArgumentException: ResourceLoader must not be null
	org.springframework.util.Assert.notNull(Assert.java:115)
	org.springframework.core.io.support.ResourcePatternUtils.getResourcePatternResolver(ResourcePatternUtils.java:62)
	org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.setResourceLoader(ClassPathScanningCandidateComponentProvider.java:238)
	org.springframework.context.annotation.ClassPathBeanDefinitionScanner.<init>(ClassPathBeanDefinitionScanner.java:167)
	org.springframework.context.annotation.ClassPathBeanDefinitionScanner.<init>(ClassPathBeanDefinitionScanner.java:138)
	org.springframework.web.context.support.AnnotationConfigWebApplicationContext.getClassPathBeanDefinitionScanner(AnnotationConfigWebApplicationContext.java:276)
	org.springframework.web.context.support.AnnotationConfigWebApplicationContext.loadBeanDefinitions(AnnotationConfigWebApplicationContext.java:190)
	org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129)
	org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:613)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:514)
	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.rewrite.RewriteValve.invoke(RewriteValve.java:305)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:624)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1673)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:748)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/8.5.73