qq_31603875的博客

java.lang.NullPointerException at org.springframework.web.client.RestTemplate$AcceptHeaderRequestCallback.canReadResponse(RestTemplate.java:862)

跑一个很久之前的spring项目，导入项目、在IDEA中配置好Tomcat，跑起来出现错误，仔细一看，使用的是spring3.2，本地JDK为1.8，搜索一下1.8只支持spring4.X以上版本。下载JDK1.7，更换JDK环境，一跑报错：Application Server was not connected before run configuration stop, reason: U...

npm clean package 报错：[ERROR] Failed to execute goal com.github.eirslett:frontend-maven-plugin:1.6:install-node-and-npm (install node and npm) on project XXX: Could not download Node.js: Could not ...