Hi All, I am using cassandra 2.1.3 , we have an application written in .net for that we are using DataStax .Net Drivers . We are deploying this to our production server (the .Net application) , we have created a static route from our .net Webserver to the cassandra Cluster on port 9042 . The Webserver is on a secured network. But still i am getting this issue . On my local environment it is connecting to the cassandra cluster. Please point me to any solution on this.
Below are the logs i am getting on the Cassandra cluster ERROR [SharedPool-Worker-1] 2015-08-27 04:50:58,070 Message.java:538 - Unexpected exception during request; channel = [id: 0xb34f0ee8, /XX.XX.XX.XX(IP adress of Webserver machine):64849 => /XX.XX.XX.XX(IP address of cassandra machines):9042] io.netty.handler.codec.DecoderException: org.apache.cassandra.transport.ProtocolException: Unknown opcode 91 at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:280) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:149) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe.epollInReady(EpollSocketChannel.java:722) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:326) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:264) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65] Caused by: org.apache.cassandra.transport.ProtocolException: Unknown opcode 91 at org.apache.cassandra.transport.Message$Type.fromOpcode(Message.java:131) ~[main/:na] at org.apache.cassandra.transport.Frame$Decoder.decode(Frame.java:207) ~[main/:na] at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:249) ~[netty-all-4.0.23.Final.jar:4.0.23.Final] ... 10 common frames omitted INFO [ScheduledTasks:1] 2015-08-27 04:51:07,152 ColumnFamilyStore.java:877 - Enqueuing flush of sstable_activity: 1559 (0%) on-heap, 0 (0%) off-heap INFO [MemtableFlushWriter:1127] 2015-08-27 04:51:07,154 Memtable.java:339 - Writing Memtable-sstable_activity@1999826205(162 serialized bytes, 72 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1127] 2015-08-27 04:51:07,194 Memtable.java:378 - Completed flushing /var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4202-Data.db (184 bytes) for commitlog position ReplayPosition(segmentId=1437563816246, position=13606179) ERROR [CompactionExecutor:1545] 2015-08-27 05:51:04,111 CassandraDaemon.java:167 - Exception in thread Thread[CompactionExecutor:1545,1,main] java.lang.NullPointerException: null at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475) ~[main/:na] at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463) ~[main/:na] at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:274) ~[main/:na] at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1152) ~[main/:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_65] at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_65] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_65] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_65] at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65] INFO [ScheduledTasks:1] 2015-08-27 05:51:07,153 ColumnFamilyStore.java:877 - Enqueuing flush of sstable_activity: 1559 (0%) on-heap, 0 (0%) off-heap INFO [MemtableFlushWriter:1128] 2015-08-27 05:51:07,154 Memtable.java:339 - Writing Memtable-sstable_activity@1875596231(162 serialized bytes, 72 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1128] 2015-08-27 05:51:07,252 Memtable.java:378 - Completed flushing /var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4203-Data.db (182 bytes) for commitlog position ReplayPosition(segmentId=1437563816246, position=13611183) INFO [CompactionExecutor:1545] 2015-08-27 05:51:07,254 CompactionTask.java:144 - Compacting [SSTableReader(path='/var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4202-Data.db'), SSTableReader(path='/var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4201-Data.db'), SSTableReader(path='/var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4200-Data.db'), SSTableReader(path='/var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4203-Data.db')] INFO [CompactionExecutor:1545] 2015-08-27 05:51:07,324 CompactionTask.java:271 - Compacted 4 sstables to [/var/lib/cassandra/data/system/sstable_activity-5a1ff267ace03f128563cfae6103c65e/system-sstable_activity-ka-4204,]. 734 bytes to 182 (~24% of original) in 68ms = 0.002552MB/s. 8 total partitions merged to 2. Partition merge counts were {4:2, }