Could not load properties； nested exception is java.io.FileNotFoundException: Could not open Servlet

刺骨的言语ヽ痛彻心扉 2023-09-23 17:09 64阅读 0赞

### 文章目录 ###

*  报错一
 *   *  解决
 *  报错二
 *   *  解决

# 报错一 #

**详细报错内容：**  
Could not load properties; nested exception is java.io.FileNotFoundException: Could not open ServletContext resource \[jdbc.properties\]

26-Apr-2019 13:19:58.624 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
    26-Apr-2019 13:19:58.787 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext
    26-Apr-2019 13:20:00.070 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
     org.springframework.beans.factory.BeanInitializationException: Could not load properties; nested exception is java.io.FileNotFoundException: Could not open ServletContext resource [/db/jdbc.properties]
    	at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.postProcessBeanFactory(PropertySourcesPlaceholderConfigurer.java:148)
    	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284)
    	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:166)
    	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:678)
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:520)
    	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
    	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
    	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
    	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4900)
    	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5363)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:755)
    	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:731)
    	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1730)
    	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:498)
    	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
    	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:484)
    	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:433)
    	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:498)
    	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
    	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
    	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
    	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
    	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
    	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
    	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:498)
    	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:324)
    	at sun.rmi.transport.Transport$1.run(Transport.java:200)
    	at sun.rmi.transport.Transport$1.run(Transport.java:197)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    	at java.lang.Thread.run(Thread.java:745)
    Caused by: java.io.FileNotFoundException: Could not open ServletContext resource [/db/jdbc.properties]
    	at org.springframework.web.context.support.ServletContextResource.getInputStream(ServletContextResource.java:141)
    	at org.springframework.core.io.support.EncodedResource.getInputStream(EncodedResource.java:153)
    	at org.springframework.core.io.support.PropertiesLoaderUtils.fillProperties(PropertiesLoaderUtils.java:98)
    	at org.springframework.core.io.support.PropertiesLoaderSupport.loadProperties(PropertiesLoaderSupport.java:175)
    	at org.springframework.core.io.support.PropertiesLoaderSupport.mergeProperties(PropertiesLoaderSupport.java:156)
    	at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.postProcessBeanFactory(PropertySourcesPlaceholderConfigurer.java:139)
    	... 52 more
    
    26-Apr-2019 13:20:00.073 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Closing Spring root WebApplicationContext

## 解决 ##

报错时的资源文件写法：  
`<context:property-placeholder location="jdbc.properties"/>`  
然后改成下面这样就解决这个报错了  
`<context:property-placeholder location="classpath:jdbc.properties"/>`

# 报错二 #

加上 classpath: 解决完上面的报错后，又出现的新的报错  
**详细报错内容：**  
Could not resolve placeholder ‘jdbc.driver’ in string value “$\{jdbc.driver\}”

## 解决 ##

报错时写法  
![在这里插入图片描述][ca86a6bb6d74434081e45a30d382f528.png]  
后来改成  
`<context:property-placeholder location="classpath:jdbc.properties" ignore-unresolvable="true"/>`  
相比原来加了个`ignore-unresolvable="true"`就好了

参考文章：  
[Could not load properties; nested exception is java.io.FileNotFoundException: Could not open Servlet][Could not load properties_ nested exception is java.io.FileNotFoundException_ Could not open Servlet]  
[错误笔记之Could not resolve placeholder ‘jdbc.driver’ in string value “$\{jdbc.driver\}”][Could not resolve placeholder _jdbc.driver_ in string value _jdbc.driver]

[ca86a6bb6d74434081e45a30d382f528.png]: https://img-blog.csdnimg.cn/ca86a6bb6d74434081e45a30d382f528.png
[Could not load properties_ nested exception is java.io.FileNotFoundException_ Could not open Servlet]: https://blog.csdn.net/qq_37937144/article/details/89549141
[Could not resolve placeholder _jdbc.driver_ in string value _jdbc.driver]: https://blog.csdn.net/Daisy621/article/details/77054023