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The "HowToDebug" page has been changed by DaveBrosius: https://wiki.apache.org/cassandra/HowToDebug?action=diff&rev1=16&rev2=17 Comment: document move of data directory -Dlog4j.defaultInitOverride=true }}} + ==== In versions less then 2.1 the following information is important for directory ownership ==== On Linux systems, by default, Cassandra writes various pieces of data to directories that are not owned by the normal user. This will cause failures when debugging in eclipse. To address this you can chown the directories, or if you don't have rights, you should adjust various settings in the cassandra.yaml, cassandra-env.sh and log4j-server.properties files inside the conf directory to account for this. For debugging purposes you probably want to place these in some directory(s) under your home directory. + + * Note in 2.1 and greater, then data directory by default is found in the cassandra directory 1. The entries in the cassandra.yaml file that are effected are:
