JavaWeb项目中写的JSP页面需要Web容器解析处理成HTML才能展示到前端浏览器,解析JSP需要Web容器.JSP页面顶端出现“红色”的报错信息:The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path. javax.servlet.http.HttpServlet是Web容器Tomcat包中的类,将需要的jar包导入项目中就能解决这个问题. 下面是具体的解决方法: 右
本文记录刚接触Android开发搭建环境后新建工程各种可能的报错,并亲身经历漫长的解决过程(╥╯^╰╥),寻找各种偏方,避免大家采坑,希望能帮助到大家. 报错信息 出错一:The import android.support cannot be resolved类型解决 出错二:android.support.v4.app.TaskStackBuilder$SupportParentable cannot be resolved. 解决方法 出错三:the file dx.jar was not
转载地址:http://blog.csdn.net/jnqqls/article/details/8946964 1.错误: 在Eclipse下启动tomcat的时候,报错为:Eclipse下启动tomcat报错:The archive: C:/Program Files(x86)/Java/jdk1.7.0_10/lib/tools.jar which is referenced by the classpath, doesnot exist. 2.原因: 这是因为我中途移动过tomcat的位
eclipse运行hadoop程序报错:Connection refused: no further information log4j:WARN No appenders could be found for logger (org.apache.hadoop.conf.Configuration.deprecation). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging
eclipse连接远程Hadoop报错,Caused by: java.io.IOException: 远程主机强迫关闭了一个现有的连接.全部报错信息如下: Exception in thread "main" java.io.IOException: Call to hadoopmaster/192.168.1.180:9000 failed on local exception: java.io.IOException: 远程主机强迫关闭了一个现有的连接. at org.apach
windows下Eclipse操作MapReduce例子报错: 14/05/18 22:05:29 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 14/05/18 22:05:29 ERROR security.UserGroupInformation: PriviledgedActi
----------------------siwuxie095 K.O. -------- Eclipse 中 Maven 的报错处理 1.报错一: A 'Maven Build' configuration with this name already exists 或: A 'Run on Server' configuration with this name already exis