问题
TLDR;
Eclipse does not seem to detect changes in compiled css file and does not reload them on a running server.
Problem
I can successfully generate css files from less files using wro4j everytime i update a less file.
I have followed this tutorial from the official spring boot website itself.
Text from the tutorial
The wro4j-maven-plugin has some Eclipse integration features and you can install it from the Eclipse Marketplace (try it later if this is your first time - it’s not needed to complete the application). If you do that then Eclipse will watch the source files and re-generate the outputs if they change. If you run in debug mode then changes are immediately re-loadable in a browser.
I have used the wro4j eclipse integration which re generates the output if the source less file changes, but these changes are not re loadable in the browser.
However, If I manually modify the compiled css after generation, the change is successfully reloaded by eclipse/spring-boot. So currently after i make changes to the less files, css files are generated but is not picked up by the running server. I have to open the compiled file, type a space and do a backspace and save it, only then it's reloaded.
Any ideas on how to solve this problem?
EDIT: Eclipse is reloading all the changes except if the file has been auto generated. For eg. If i modify one of my html files it reloads them right away. But if i modify a less file, which in turn modified the css file.. this stays the same..even after restart.
I thought it could have also been because of caching now but i tried these settings and it still doesn't work
spring.thymeleaf.cache=false
spring.resources.cache-period= 5
spring.resources.chain.cache=false
回答1:
Try to set Refresh using native hooks or polling to true.
window-> preferences-> general -> workspace -> Check Refresh using native hooks or polling
Hope that helps
来源：https://stackoverflow.com/questions/45293373/eclipse-does-not-reload-compiled-css-while-running