JIRA Won't Start Due to java.lang.NoClassDefFoundError org.apache.log4j.Appender
JIRA fails to start due to a NoClassDefFoundError for
The following appears in the
This typically happens because some classes are missing from the
$JIRA_INSTALL/lib/ directory, in this case the
log4j class. These classes are jar files which can be checked through file system.
- Verify if the JAR exists within the
- If not, download the JIRA version from our downloads archive (this will either be a tarball or a ZIP, depending on the OS. Do not download the installer version).
- Extract it into a temporary directory and add in the missing JAR file from the downloaded archive into the
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