今天新建了一个maven项目,因为是通过公司的工具新建的,代码拉下来就有src.pom.xml文件. 导入Eclipse却报空指针异常.具体如下: An error has occurred. See error log for more details.java.lang.NullPointerException 一时没看明白是为什么,搜了一下Eclipse的日志文件. 日志在workSpace的.metadata里的.log文件. 点开查看,如下: !SESSION 2019-09-16 1…
在用Eclipse IDE for Java EE Developers进行maven项目的开发时,报错Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.6 or one of:解决方法: 1.查看windows -> Preferences -> maven->user Settings 中的user settings目录: 的settings.xml文件中.…
严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMvcController]] at java.util…
错误如下: Could not calculate build plan: Plugin org.apache.maven.plugins:maven-war-plugin:2.2 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-war-plugin:jar:2.2... 解决方法: 1.项目右键->[Ma…
原文网址:http://blog.csdn.net/mylinx/article/details/44280563 进行编码时,工程前面莫名有个红X,正当百思不得其解时,发现在[problems]下有如下的消息输出 ------ the project was not built due to a resource exists with a different case... ------ 按照提示对代码再次进行了check,果然是大小写出了问题,具体如下: 包名为:com.example.A…