在Build Path里设置好jre和各Library的顺序,代码无报错,启动时弹框,里面的信息是:The specified JRE installation does not exist. 后来想起来在这里没设置好:…

项目中用到websocket,就将原来写好的websocket工具类直接拿来使用,发现前端建立连接的时候报404,经查找发现是因为原来用的是配置的外部tomcat启动,这次是spring boot自带的启动,查找看网上说要加入以下配置: 1,添加依赖 <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</ar…

近日使用myeclipse 部署web项目,启动tomcat时报错: SEVERE: Error waiting for multi-thread deployment of directories to completehostConfig.deployWar=Deploying web application archive {0} java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: Java heap s…

java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext at org.springframework.context.support.AbstractRefreshableApplicationContext.getBeanFactory(AbstractRefr…

JDK版本:jdk1.8.0_77 Tomcat 版本:apache-tomcat-7.0.47 异常重现步骤: 1.完成项目部署 2.启动Tomcat 异常头部信息:java.lang.NoSuchMethodError: javax.servlet.ServletContext.getSessionCookieConfig() 解决方案: 把apache-tomcat-7.0.47/lib/servlet-api.jar 拷贝到$JAVA_HOME/jre/lib/ext目录下去 参考博文:…

启动项目报错如下: java.lang.UnsatisfiedLinkError: D:\Java\apache-tomcat-8.0.17\bin\tcnative-1.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(ClassLoader…

IDEA启动项目报错:Cannot open URL.Please check this URL is correct 问题:IDEA启动SSM项目,使用的Tomcat,报错 Cannot open URL.Please check this URL is correct 截图: 解决方法: 将图中的端口号(红色部分)改为一致即可.…

tomcat启动窗口报错log4j:ERROR Could not find value for key log4j.appender.stdoutlog4j:ERROR Could not instantiate appender named "stdout".解决办法:原来是log4j.properties少了一行应该是:log4j.appender.stdout=org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.layou…

eclipse 启动项目报错:找不到 Spring 监听器类 org.springframework.web.context.ContextLoaderListener 严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException: org.springframework.web.c…

dubbo项目: 启动项目报错:(web端) org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.facto…