我正在运行Cassandra 3.11.2，并且系统日志显示错误：
ERROR [CompactionExecutor:52018] 2019-06-24 14:32:04,419 CassandraDaemon.java:228 - Exception in thread Thread[CompactionExecutor:52018,1,main]
java.lang.ArrayIndexOutOfBoundsException: null
与调试日志中的压缩任务相关：
DEBUG [CompactionExecutor:52020] 2019-06-24 14:32:02,696 CompactionTask.java:255 - Compacted (bcd2b2d0-96b6-11e9-87ff-b782b77fa57e) 2 sstables to [/c_data11/lcmap_ard_ak_c01_v01/lc08_btb10-65ac1e704e2711e8b8b93bfc358f9564/mc-133038-big,] to level=0. 112.797MiB to 112.795MiB (~99% of original) in 1,930ms. Read Throughput = 58.435MiB/s, Write Throughput = 58.434MiB/s, Row Throughput = ~10,082/s. 122 total partitions merged to 96. Partition merge counts were {1:70, 2:26, }
DEBUG [CompactionExecutor:52020] 2019-06-24 14:32:02,697 CompactionTask.java:155 - Compacting (bdf97f90-96b6-11e9-87ff-b782b77fa57e) [/c_data12/lcmap_ard_ak_c01_v01/lc08_btb10-65ac1e704e2711e8b8b93bfc358f9564/mc-133015-big-Data.db:level=0, /c_data12/lcmap_ard_ak_c01_v01/lc08_btb10-65ac1e704e2711e8b8b93bfc358f9564/mc-133027-big-Data.db:level=0, ]
ERROR [CompactionExecutor:52018] 2019-06-24 14:32:04,419 CassandraDaemon.java:228 - Exception in thread Thread[CompactionExecutor:52018,1,main]
java.lang.ArrayIndexOutOfBoundsException: null
DEBUG [CompactionExecutor:52020] 2019-06-24 14:32:04,575 CompactionTask.java:255 - Compacted (bdf97f90-96b6-11e9-87ff-b782b77fa57e) 2 sstables to [/c_data12/lcmap_ard_ak_c01_v01/lc08_btb10-65ac1e704e2711e8b8b93bfc358f9564/mc-133039-big,] to level=0. 132.507MiB to 132.496MiB (~99% of original) in 1,877ms. Read Throughput = 70.590MiB/s, Write Throughput = 70.585MiB/s, Row Throughput = ~12,012/s. 135 total partitions merged to 103. Partition merge counts were {1:71, 2:32, }
它似乎没有引起任何问题，但我想知道可能是什么问题。
谢谢！