Caused by: java.rmi.ConnectException: Connection refused to host: 220.250.64.26; nested exception is-程序员宅基地

技术标签: 求助  

@[TOC]Caused by: java.rmi.ConnectException: Connection refused to host: 220.250.64.26; nested exception is:

严重: Exception sending context initialized event to listener instance of class com.icss.common.util.SpringInit
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘productItemService’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/com/icss/cancel/service/ProductItemServiceImpl.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.cache.interceptor.CacheInterceptor#0’: Cannot resolve reference to bean ‘cacheManager’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManager’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Cannot resolve reference to bean ‘cacheManagerFactory’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManagerFactory’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Invocation of init method failed; nested exception is net.sf.ehcache.CacheException: Problem starting listener for RMICachePeer //220.250.64.26:59397/com.icss.system.service.CityServiceCache. Initial
cause was Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:547)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory 1. g e t O b j e c t ( A b s t r a c t B e a n F a c t o r y . j a v a : 304 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t S i n g l e t o n B e a n R e g i s t r y . g e t S i n g l e t o n ( D e f a u l t S i n g l e t o n B e a n R e g i s t r y . j a v a : 228 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . d o G e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 300 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . A b s t r a c t B e a n F a c t o r y . g e t B e a n ( A b s t r a c t B e a n F a c t o r y . j a v a : 195 ) a t o r g . s p r i n g f r a m e w o r k . b e a n s . f a c t o r y . s u p p o r t . D e f a u l t L i s t a b l e B e a n F a c t o r y . p r e I n s t a n t i a t e S i n g l e t o n s ( D e f a u l t L i s t a b l e B e a n F a c t o r y . j a v a : 703 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . f i n i s h B e a n F a c t o r y I n i t i a l i z a t i o n ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 760 ) a t o r g . s p r i n g f r a m e w o r k . c o n t e x t . s u p p o r t . A b s t r a c t A p p l i c a t i o n C o n t e x t . r e f r e s h ( A b s t r a c t A p p l i c a t i o n C o n t e x t . j a v a : 482 ) a t o r g . s p r i n g f r a m e w o r k . w e b . c o n t e x t . C o n t e x t L o a d e r . c o n f i g u r e A n d R e f r e s h W e b A p p l i c a t i o n C o n t e x t ( C o n t e x t L o a d e r . j a v a : 403 ) a t o r g . s p r i n g f r a m e w o r k . w e b . c o n t e x t . C o n t e x t L o a d e r . i n i t W e b A p p l i c a t i o n C o n t e x t ( C o n t e x t L o a d e r . j a v a : 306 ) a t o r g . s p r i n g f r a m e w o r k . w e b . c o n t e x t . C o n t e x t L o a d e r L i s t e n e r . c o n t e x t I n i t i a l i z e d ( C o n t e x t L o a d e r L i s t e n e r . j a v a : 106 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . l i s t e n e r S t a r t ( S t a n d a r d C o n t e x t . j a v a : 5197 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . S t a n d a r d C o n t e x t . s t a r t I n t e r n a l ( S t a n d a r d C o n t e x t . j a v a : 5720 ) a t o r g . a p a c h e . c a t a l i n a . u t i l . L i f e c y c l e B a s e . s t a r t ( L i f e c y c l e B a s e . j a v a : 145 ) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e 1.getObject(AbstractBeanFactory.java:304) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) 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:5197) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5720) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase 1.getObject(AbstractBeanFactory.java:304)atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:703)atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)atorg.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)atorg.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)atorg.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)atorg.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5197)atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5720)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1707)
at org.apache.catalina.core.ContainerBase S t a r t C h i l d . c a l l ( C o n t a i n e r B a s e . j a v a : 1697 ) a t j a v a . u t i l . c o n c u r r e n t . F u t u r e T a s k . r u n ( F u t u r e T a s k . j a v a : 266 ) a t j a v a . u t i l . c o n c u r r e n t . T h r e a d P o o l E x e c u t o r . r u n W o r k e r ( T h r e a d P o o l E x e c u t o r . j a v a : 1149 ) a t j a v a . u t i l . c o n c u r r e n t . T h r e a d P o o l E x e c u t o r StartChild.call(ContainerBase.java:1697) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor StartChild.call(ContainerBase.java:1697)atjava.util.concurrent.FutureTask.run(FutureTask.java:266)atjava.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)atjava.util.concurrent.ThreadPoolExecutorWorker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.cache.interceptor.CacheInterceptor#0’: Cannot resolve reference to bean ‘cacheManager’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManager’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Cannot resolve reference to bean ‘cacheManagerFactory’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManagerFactory’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Invocation of init method failed; nested exception is net.sf.ehcache.CacheException: Problem starting listener for RMICachePeer //220.250.64.26:59397/com.icss.system.service.CityServiceCache. Initial cause was Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:336)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1456)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1197)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
at org.springframework.aop.support.AbstractBeanFactoryPointcutAdvisor.getAdvice(AbstractBeanFactoryPointcutAdvisor.java:88)
at org.springframework.aop.aspectj.AspectJProxyUtils.isAspectJAdvice(AspectJProxyUtils.java:67)
at org.springframework.aop.aspectj.AspectJProxyUtils.makeAdvisorChainAspectJCapableIfNecessary(AspectJProxyUtils.java:49)
at org.springframework.aop.aspectj.autoproxy.AspectJAwareAdvisorAutoProxyCreator.extendAdvisors(AspectJAwareAdvisorAutoProxyCreator.java:97)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:89)
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:69)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:376)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:339)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:421)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1558)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
… 20 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManager’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Cannot resolve reference to bean ‘cacheManagerFactory’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManagerFactory’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Invocation of init method failed; nested exception is net.sf.ehcache.CacheException: Problem starting listener for RMICachePeer //220.250.64.26:59397/com.icss.system.service.CityServiceCache. Initial cause was Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:336)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1456)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1197)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.D
efaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328)
… 40 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘cacheManagerFactory’ defined in file [/Users/tangpengxiang/Downloads/apache-tomcat-7.0.96/webapp/trpasss-web/WEB-INF/classes/conf/spring/spring-cache.xml]: Invocation of init method failed; nested exception is net.sf.ehcache.CacheException: Problem starting listener for RMICachePeer //220.250.64.26:59397/com.icss.system.service.CityServiceCache. Initial cause was Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328)
… 50 more
Caused by: net.sf.ehcache.CacheException: Problem starting listener for RMICachePeer //220.250.64.26:59397/com.icss.system.service.CityServiceCache. Initial cause was Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at net.sf.ehcache.distribution.RMICacheManagerPeerListener.notifyCacheAdded(RMICacheManagerPeerListener.java:538)
at net.sf.ehcache.event.CacheManagerEventListenerRegistry.notifyCacheAdded(CacheManagerEventListenerRegistry.java:159)
at net.sf.ehcache.CacheManager.addCacheNoCheck(CacheManager.java:1448)
at net.sf.ehcache.CacheManager.addConfiguredCaches(CacheManager.java:832)
at net.sf.ehcache.CacheManager.doInit(CacheManager.java:500)
at net.sf.ehcache.CacheManager.init(CacheManager.java:395)
at net.sf.ehcache.CacheManager.(CacheManager.java:270)
at org.springframework.cache.ehcache.EhCacheManagerFactoryBean.afterPropertiesSet(EhCacheManagerFactoryBean.java:166)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549)
… 57 more
Caused by: java.rmi.ConnectException: Connection refused to host: 220.250.64.26; nested exception is:
java.net.ConnectException: Operation timed out (Connection timed out)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:338)
at sun.rmi.registry.RegistryImpl_Stub.rebind(RegistryImpl_Stub.java:147)
at java.rmi.Naming.rebind(Naming.java:177)
at net.sf.ehcache.distribution.RMICacheManagerPeerListener.bind(RMICacheManagerPeerListener.java:234)
at net.sf.ehcache.distribution.RMICacheManagerPeerListener.notifyCacheAdded(RMICacheManagerPeerListener.java:536)
… 66 more
Caused by: java.net.ConnectException: Operation timed out (Connection timed out)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at java.net.Socket.(Socket.java:434)
at java.net.Socket.(Socket.java:211)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
… 73 more

这个问题我今天找了一下午了,我这是一个普通的java web项目 电脑是mac 启动的时候报错,我看了其他的博客都解决不了,有人能帮帮我吗??

下面是我的host文件内容

Host Database

localhost is used to configure the loopback interface

when the system is booting. Do not change this entry.

172.18.10.143 localhost
127.0.0.1 localhost
255.255.255.255 broadcasthost
::1 localhost

版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。
本文链接:https://blog.csdn.net/qq_36279591/article/details/98503761

智能推荐

学习opencv之(四)- 图像格式之间的转换_rga 转 opencv-程序员宅基地

文章浏览阅读1.3w次。1 opencv中的几种常见的图像类型opencv中,几种常见的图像类型有:IplImage,Mat,CvMat,CvArr CvArr :老版本的结构了。是一个抽象基类,在函数原型中,常见到CvArr(CvArr*),这就允许吧CvMar* 或者IplImage* 传递到程序或函数参数中了。CvMat :矩阵结构,IplImage :是较老版本的一种类型了_rga 转 opencv

Spring入门2--aware接口_aware入门-程序员宅基地

文章浏览阅读437次。看这篇之前,需要知道如何使用junit测试spring http://blog.csdn.net/ch717828/article/details/44805541通过aware接口,可以对spring相应资源(可能包含相关核心资源)进行操作(一定要慎重)首先创建一个类,实现ApplicationContextAware接口 , 该借口需要实现 setApplicationContex_aware入门

nyoj-19 擅长排列的小明_nyoj-19解题思路-程序员宅基地

文章浏览阅读363次。擅长排列的小明时间限制:1000 ms | 内存限制:65535 KB难度:4描述小明十分聪明,而且十分擅长排列计算。比如给小明一个数字5,他能立刻给出1-5按字典序的全排列,如果你想为难他,在这5个数字中选出几个数字让他继续全排列,那么你就错了,他同样的很擅长。现在需要你写一个程序来验证擅长排列的小明到底对不对。输入第一行输入整数N(1每组测试_nyoj-19解题思路

Django与scrapy结合,sqlite3.connect() windows数据库路径问题_connection = sqlite3.connect无法用相对路径怎么办-程序员宅基地

文章浏览阅读1k次。方法一:绝对路径self.conn = sqlite3.connect('G:\python工程\mysite\db.sqlite3')这是最懒省事的方法方法二:相对路径这种不行(linux下的方式):self.conn = sqlite3.connect('../mysite/db.sqlite3')或许这种:self.conn = sqlite3.co..._connection = sqlite3.connect无法用相对路径怎么办

工程数学基础学习笔记(转自bilibili DR_CAN)_工程数学笔记-程序员宅基地

文章浏览阅读1.1k次,点赞4次,收藏10次。第一讲:特征值与特征向量原视频链接:https://www.bilibili.com/video/BV1fx41137Zm第二讲:线性化,泰勒级数,泰勒展开式原视频链接:https://www.bilibili.com/video/BV1Xx411M7sT第三讲:线性时不变系统的卷积原视频链接:https://www.bilibili.com/video/BV1cs411W74f第四讲:证明卷积的拉普拉斯变换原视频链接:https://www.bilibili._工程数学笔记

Java并发编程(六)JUC介绍、JUC锁(公平锁、非公平锁、可重入锁/递归锁、自旋锁、ReentrantLock)_juc锁是什么锁-程序员宅基地

文章浏览阅读559次。一、JUC介绍JUC就是指java.util.concurrent包下的接口、类,为并发编程提供便利。是在JDK 1.5 之后加入的。我们可以通过官网查看JDK API文档,JDK从9开始按模块划分了,并且文档开始支持搜索功能,所以我们直接看JDK9的文档:https://docs.oracle.com/javase/9/docs/api/overview-summary.html选择java.base:在这里我们找到关于juc的三个包:java.util.concurrent:这个包包括_juc锁是什么锁

随便推点

IntelliJ IDEA 学习笔记 - 行号、方法线、软分行_idea show indent guides-程序员宅基地

文章浏览阅读3.1k次。本文介绍IntelliJ IDEA中如何设置显示行号、方法线及如何设置软分行_idea show indent guides

1.UNIX网络编程卷1:源码配置_unix网络编程卷1 源码-程序员宅基地

文章浏览阅读3.1k次,点赞4次,收藏5次。本节主要介绍UNIX网络编程卷1(第三版)在Ubuntu16.04的配置问题,并运行一个简单时间获取客户程序。1.首先下载源文件,链接如下:http://www.unpbook.com/src.html2.将下载好的压缩文件unpv13e.tar.gz解压,解压后文件为unpv13e.3.解压后进入源码目录,打开README文件:4.按照提示首先在命令行执行 ./confi..._unix网络编程卷1 源码

eclipse2018的安装使用_eclipse2018安装步骤-程序员宅基地

文章浏览阅读1.2w次。0.码仙励志宁愿花时间去修炼不完美的自己,也不要浪费时间去期待完美的别人。1.安装Jdk没有安装jdk的请看我博客里安装jdk的文章,或者点下面的链接Windows系统jdk安装2.下载打开下面的链接下载eclipse2018,如果链接失效请给我留言或加QQ194760901索要链接:https://pan.baidu.com/s/1vAYinR7H9SfQEHPg..._eclipse2018安装步骤

JAVA用画板JFrame画布JPanel画笔Graphics画漫天不停的跑的星星-1_java frame不断的画-程序员宅基地

文章浏览阅读1.3w次,点赞9次,收藏26次。JAVA画满天星,并有动画效果_java frame不断的画

管理的本质是达成目标-程序员宅基地

文章浏览阅读407次。没有目标,其实就没有管理学存在的意义。要有效地使用管理学的智慧,首先要建立清晰的目标。” - 《宁向东的管理学课》

称硬币问题_天平问题称硬币-程序员宅基地

文章浏览阅读8.4k次。称硬币问题算是经典问题了,很考验逻辑能力,因此常出现在号称智商160或智商180的题集中,现在有些企业招聘也喜欢问这种问题。称硬币的问题基本上形式类似,只是硬币总个数有差别,形式为:有N枚硬币,外观无法区别,但是有一枚是假币(可能告诉你是轻或重,也可能说不知道轻重),问用一无砝码的天平,最少几次称出那枚假币(或问怎么只用M次就称出那枚假币)? 还有一种变体,是怎么用最少的次数知道假币是轻还是重。样_天平问题称硬币