[jira] [Commented] (CASSANDRA-11385) netty transport class cast issue

["Thom Valley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-11385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15218071#comment-15218071 ] 

Thom Valley commented on CASSANDRA-11385:
-----------------------------------------

Here are some details:
DSE: 4.8.5 / C* 2.1.13

HP DL380G9
4 VMs / Physical
VM:
8 Physical Cores / 64GB RAM
RAID5 Backed SSD Storage (22 800GB  drives split into various LUNs for each VM)

42 nodes / DC
5 DCs
Latency simulators between the DCs.  Worst link sees 330-340ms latency.

All Keyspaces are RF=3 in all DCs

Roughly 250GB Data / Node
LeveledCompactionStrategy
Named Tokens

concurrent_compactors: 2
compaction_throughput: unthrottled








> netty transport class cast issue
> --------------------------------
>
>                 Key: CASSANDRA-11385
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11385
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: 2.1.13
>            Reporter: T Jake Luciani
>
> Not sure if its related to the compression or not. Java driver
> {code}
> Caused by: java.lang.ClassCastException: org.apache.cassandra.db.composites.CompoundSparseCellName cannot be cast to [B
> 	at io.netty.buffer.PooledHeapByteBuf.array(PooledHeapByteBuf.java:247) ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> 	at org.apache.cassandra.transport.FrameCompressor$SnappyCompressor.decompress(FrameCompressor.java:113) ~[cassandra-all-2.1.13.1131.jar:2.1.13.1131]
> 	at org.apache.cassandra.transport.Frame$Decompressor.decode(Frame.java:332) ~[cassandra-all-2.1.13.1131.jar:2.1.13.1131]
> 	at org.apache.cassandra.transport.Frame$Decompressor.decode(Frame.java:311) ~[cassandra-all-2.1.13.1131.jar:2.1.13.1131]
> 	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> {code}



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