Troubleshooting - APM server installation fails with <Service kafka failed to start> error on a RHEL 6.8 system due to RHEL 4096 character limit
kbixler 060001X4BD Visits (6228)
If only one process (ZooKeeper) is returned instead of two processes (ZooKeeper and Kafka), check the character length of the ZooKeeper output. It is probably truncated to 4096 characters and the org.
The issue occurred when the customer chose their own longer installation path. For example, the default installation directory is /opt/ibm. In this instance, a customer chose a longer non-default installation directory such as /tivoli/apm814, which pushed the ZooKeeper command line beyond 4096 characters in length and truncated the output.
1. Uninstall the server and reinstall the server. When you are reinstalling the server, if you are choosing your own installation path instead of the default /opt/ibm path, enter a shorter installation path. Use the default installation path as a reference for appropriate character length.
2. Run the yum update (or corresponding) command to ensure you have the latest Linux patches. This update increases the character limit beyond 4096 characters. For more information about yum commands, see What is Yum and How do I use it: http
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