Could not resolve placeholder ' jdbc.username ' in string value "${jdbc.username}"

1. Error description

Severity: Exception sending context initialized event to listener instance of class Org.springframework.web.context.ContextLoad ErListenerorg.springframework.beans.factory.BeanDefinitionStoreException:Invalid Bean definition with name ' DataSource ' defined in file [E:\Eclipse\workspace\AMP\WebContent\WEB-INF\classes\spring\applicationContext.xml]: Could not resolve placeholder ' jdbc.username ' in string value "${jdbc.username}"; Nested exception is java.lang.IllegalArgumentException:Could not resolve placeholder ' jdbc.username ' in string value "${j Dbc.username} "at Org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties ( placeholderconfigurersupport.java:211) at Org.springframework.beans.factory.config.PropertyPlaceholderConfigurer.processProperties ( propertyplaceholderconfigurer.java:223) at Org.springframework.beans.factory.config.PropertyResourceConfigurer.postProcessBeanFactory ( propertyresourceconfigurer.java:86) at Org.springframework.context.support.PostProceSsorregistrationdelegate.invokebeanfactorypostprocessors (postprocessorregistrationdelegate.java:265) at Org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors ( postprocessorregistrationdelegate.java:162) at Org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors ( abstractapplicationcontext.java:609) at Org.springframework.context.support.AbstractApplicationContext.refresh ( abstractapplicationcontext.java:464) at Org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext (contextloader.java:403) At Org.springframework.web.context.ContextLoader.initWebApplicationContext (contextloader.java:306) at Org.springframework.web.context.ContextLoaderListener.contextInitialized (contextloaderlistener.java:106) at Org.apache.catalina.core.StandardContext.listenerStart (standardcontext.java:4992) at Org.apache.catalina.core.StandardContext.startInternal (standardcontext.java:5490) at Org.apache.catalina. util. Lifecyclebase.start (lifecyclebase.java:150) at Org.apache.catalina.core.containerbase$startchild.call ( containerbase.java:1575) at Org.apache.catalina.core.containerbase$startchild.call (ContainerBase.java:1565) at Java.util.concurrent.FutureTask.run (futuretask.java:262) at Java.util.concurrent.ThreadPoolExecutor.runWorker ( threadpoolexecutor.java:1145) at Java.util.concurrent.threadpoolexecutor$worker.run (ThreadPoolExecutor.java:615) At Java.lang.Thread.run (thread.java:745) caused by:java.lang.IllegalArgumentException:Could not resolve placeholder ' Jdbc.username ' in string value ' ${jdbc.username} ' at Org.springframework.util.PropertyPlaceholderHelper.parseStringValue (propertyplaceholderhelper.java:174) at Org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders (propertyplaceholderhelper.java:126) at org.springframework.beans.factory.config.propertyplaceholderconfigurer$ Placeholderresolvingstringvalueresolver.resolvestringvalue (propertyplaceholderconfigurer.java:259) at ORG.SPRIngframework.beans.factory.config.BeanDefinitionVisitor.resolveStringValue (beandefinitionvisitor.java:282) at Org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveValue (beandefinitionvisitor.java:204) at Org.springframework.beans.factory.config.BeanDefinitionVisitor.visitPropertyValues (Beandefinitionvisitor.java : 141) at Org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition ( beandefinitionvisitor.java:82) at Org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties ( placeholderconfigurersupport.java:208) ... More than October 19, 2015 10:05:44 am org.apache.catalina.core.StandardContext startinternal severity: Error listenerstart

2. Cause of error

There is a property jdbc.username in the database configuration file, but it was commented out during the modification

3. Solutions

Jdbc.username, restart server tomcat

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

Could not resolve placeholder ' jdbc.username ' in string value "${jdbc.username}"