Show 3 more comments. Download slf4j Yuvraj Kakkar Yuvraj Kakkar 1, 1 1 gold badge 11 11 silver badges 23 23 bronze badges. Rashad Saif Rashad Saif 1, 10 10 silver badges 15 15 bronze badges. Anuj Pandey Anuj Pandey 94 6 6 bronze badges.
I've experienced this too, when migrating from V3. If you've used Log4J directly as the "Logger" then an exception is thrown. I was facing a similar issue and below line fixed the issue for me. Thanks AlexanderMills! Enamul Haque Enamul Haque 1 1 gold badge 11 11 silver badges 21 21 bronze badges.
Add the following jars to the class path or lib folder slf4j-api Shanu Shine Shanu Shine 41 1 1 bronze badge. Finally clean your project and run. It will run successfully. Nagappan Nagappan 2 2 silver badges 8 8 bronze badges. MarkAddison MarkAddison 1 1 silver badge 7 7 bronze badges. You can use : jdk1. Jagjyot Jagjyot 21 2 2 bronze badges.
Ramiro Pedrozo Ramiro Pedrozo 1 1 1 bronze badge. You need slf4j-api library. For most cases only slf4j-api and slf4j-jkd14 are only required: Here you can download the version 1. I hope it would be helpful for someone else. Zarko Eeternal Zarko Eeternal 4 4 silver badges 9 9 bronze badges. Mike Mike 5 5 5 bronze badges. If you are facing java.
LoggerFactory Add slf4j-log4j12 jar in the library folder of the project. Yoshita Mahajan Yoshita Mahajan 2 2 silver badges 6 6 bronze badges.
The LoggerFactory class is msising according to the error message: java. LoggerFactory Apparently, the slf4j. Alex Skorkin 4, 3 3 gold badges 22 22 silver badges 45 45 bronze badges. CloudyMarble CloudyMarble Sign up or log in Sign up using Google. Sign up using Facebook.
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Seems like the website has changed its structure. You need to choose which jar file you need for your project. For a bit more explanation: keep in mind that the "I" in "api" is interface. The slf4j-api jar only holds the needed interfaces actually LoggerFactory is an abstract class. You also need the actual implementations an example of which, as noted above, can be found in slf4j-simple.
If you look in the jar, you'll find the required classes under the "org. Improve this question. You don't need to just download the jar, you must also put it in your classpath when compiling and running your code. Did you do that? Add a comment. Active Oldest Votes. Better to always download as your first try, the most recent version from the developer's site I had the same error message you had, and by downloading the jar from the above slf4j Improve this answer.
CharlieL CharlieL 1 1 gold badge 5 5 silver badges 3 3 bronze badges. Try downloading jar from here You can find, it holds the class you need. EDIT Seems like the website has changed its structure. For slf4j-api jar file for latest version as of now, please visit this link For slf4j-simple jar file for latest version as of now, please visit this link.
IllegalAccessError: tried to access field org. LoggerFactory — junaidp. I tried to visit: java2s. The given url is not working now, it says The requested document was not found on this server. Please update the link — Visruth. Show 2 more comments. Hope that will help someone. Community Bot 1 1 1 silver badge. Patrick Patrick 2, 2 2 gold badges 27 27 silver badges 46 46 bronze badges. Then you'll be able to run the job locally. Hope my experience will help someone.
Bukharov Sergey 8, 4 4 gold badges 34 34 silver badges 50 50 bronze badges. Bofei Yu Bofei Yu 11 1 1 bronze badge. Add the following JARs to the build path or lib folder of the project: slf4j-api Shanu Shine Shanu Shine 41 1 1 bronze badge. It needs "slf4j-simple
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