I have built the solr project through tomcat, but when I run the startup.bat it tells me this:
I searched for many solutions online, but none works.
Then I thought maybe things went wrong with the files related to log4j, then I deleted the log4j-1.2.17.jar in D:\FSP_20160630\apache-tomcat-8_0_9-solr4_10_1\webapps\solr\WEB-INF\lib because I can find exact same ones in D:\FSP_20160630\apache-tomcat-8_0_9-solr4_10_1\lib
But I need to mention that i have also deleted the other 3 files, or I will get another error:
In conclusion, I have deleted all these 4 files, then the startup.bat can run properly.
I don't know whether things will go south in the future...Are these files useful in the solr\WEB-INF\lib? Can they be deleted like this?
Hope I can get some instructions, thx for your time!