How to fix cassandra with nodetool repair?

Issue

• How to fix cassandra when below error is seen :

ERROR 15:17:22 Exiting due to error while processing commit log during initialization.
org.apache.cassandra.db.commitlog.CommitLogReplayer$CommitLogReplayException: Mutation checksum failure at 33449952 in CommitLog-5-1463733912792.log
        at org.apache.cassandra.db.commitlog.CommitLogReplayer.handleReplayError(CommitLogReplayer.java:622) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.db.commitlog.CommitLogReplayer.replaySyncSection(CommitLogReplayer.java:492) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:388) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.db.commitlog.CommitLogReplayer.recover(CommitLogReplayer.java:147) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:189) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:169) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:266) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:488) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]
        at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:595) [apache-cassandra-2.2.1.redhat-2.jar:2.2.1.redhat-2]