Org.apache.commons.logging Jar File
Problem: You are getting java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory in your Java program, which uses logging framework to log messages into log file. It could be direct dependency or indirect dependency due to any framework e.g., Hibernate or any open source library like jackson or any other JSON parsing library. Cause: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory error comes when you are using Apache commons logging directly or indirectly using framework like Hibernate, Spring and commons-logging-1.1.2.jar is not available in CLASSPATH.
Sometime this may be due to some nasty classpath issue, but most often this is due to. Solution: If its case of missing JAR file then issue will be solved as soon as you deploy the commons-logging-1.1.1.jar or commons-logging-1.1.2.jar in CLASSPATH, but deploying JAR manually is tedious and error prone. You need to first find those JAR files on internet and then hope that there is no version mismatch error e.g. Suppose your Spring or Hibernate version is using Apache commons logging version 1.1.2 and you deployed version 1.1.1, you might not detect any error upfront but it will fail in production as soon as new feature which is only available in commons-logging-1.1.2.jar is triggered. That's why its best to. Maven will not only automatically download the JAR file for you but also it will ensure that correct version of transitive dependent JARs are downloaded. For manual download, you can go to maven central website and download commons-logging.jar file.
How to use Commons Logging. Same location as my jar file called. It in your properties file: org.apache.commons.logging.Log=org.apache.
You can even download apache commons logging JARs from Apache Commons Logging website as well, as well. That's all about how to fix java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory error in Java. It can come even if you are not using commons logging dirctly but using a library like Spring, Hibernate, or Struts, which internally uses this library for their logging need. This error should be fixed as soon as you put commons-logging-1.1.1.jar file in your CLASSPATH. If you see this error even after having commons-logging.jar then it means your CLASSPATH is not set properly. Follow steps given in article to setup your CLASSPATH properly. How to fix java.lang.NoClassDefFoundError: org/apache/xmlbeans/XmlObject Error?.
How to solve java.lang.NoClassDefFoundError: org/dom4j/DocumentException. What is difference between ClassNotFoundException and NoClassDefFoundError in Java?.
How to solve java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Java?. How to fix java.lang.unsupportedclassversionerror unsupported major.minor version 49.0 50.0 51.0 in Java.
Troubleshooting Guide
How to Fix java.lang.classnotfoundexception oracle.jdbc.driver.oracledriver. 'javac' is not recognized as an internal or external command, operable program or batch file. Anonymous I am getting following exception while trying to write a simple Spring HelloWorld application using Spring 4.2.1 version using autowiring and annotation config application context.