小编use*_*196的帖子

我尝试在我的Ubuntu 13.04上安装Cassandra 2.0,但是当我尝试启动它时出现了这个错误:

java.lang.UnsupportedOperationException: Commitlog segment is too old to open; upgrade to 1.2.5+ first
    at org.apache.cassandra.db.commitlog.CommitLogDescriptor.fromFileName(CommitLogDescriptor.java:65)
    at org.apache.cassandra.db.commitlog.CommitLogSegment$CommitLogSegmentFileComparator.compare(CommitLogSegment.java:391)
    at org.apache.cassandra.db.commitlog.CommitLogSegment$CommitLogSegmentFileComparator.compare(CommitLogSegment.java:386)
    at java.util.TimSort.countRunAndMakeAscending(TimSort.java:324)
    at java.util.TimSort.sort(TimSort.java:189)
    at java.util.TimSort.sort(TimSort.java:173)
    at java.util.Arrays.sort(Arrays.java:659)
    at org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:124)
    at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:300)
    at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:443)
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:486)

有谁能够帮我？