I am loading very few (around 10!) rows in my single machine installation (CentOS 7) and with

 client.execute(new ListKeys.Builder(TABLE).build());


I get


Caused by: com.basho.riak.client.core.netty.RiakResponseException: {worker_crash,
    {badarg,
[{'riak_ql_table_SmartMeterData%52$1',extract,2,[{file,[]},{line,4}]},
{riak_ql_ddl,convert,4,[{file,"src/riak_ql_ddl.erl"},{line,208}]},
{riak_ql_ddl,build,4,[{file,"src/riak_ql_ddl.erl"},{line,200}]},
         {riak_kv_ts_util,row_to_key,3,
             [{file,"src/riak_kv_ts_util.erl"},{line,393}]},
         {riak_kv_coverage_filter,'-build_preflist_fun/3-fun-0-',4,
             [{file,"src/riak_kv_coverage_filter.erl"},{line,195}]},
         {riak_kv_coverage_filter,'-build_vnode_filter/2-fun-0-',3,
             [{file,"src/riak_kv_coverage_filter.erl"},{line,145}]},
         {riak_kv_vnode,'-fold_fun/4-fun-5-',5,
             [{file,"src/riak_kv_vnode.erl"},{line,1917}]},
{eleveldb,fold_loop,4,[{file,"src/eleveldb.erl"},{line,540}]}]},
    {fold,#Fun<riak_kv_eleveldb_backend.6.105531631>,
        #Fun<riak_kv_vnode.38.93974927>}}
at com.basho.riak.client.core.RiakMessage.getRiakErrorFromPbuf(RiakMessage.java:65)
    at com.basho.riak.client.core.RiakMessage.<init>(RiakMessage.java:44)
    at com.basho.riak.client.core.RiakMessage.<init>(RiakMessage.java:31)
at com.basho.riak.client.core.netty.RiakMessageCodec.decode(RiakMessageCodec.java:59) at io.netty.handler.codec.ByteToMessageCodec$1.decode(ByteToMessageCodec.java:42) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:360) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244) at io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    at java.lang.Thread.run(Thread.java:745)


This does not always happen, but at times.
Any ideas? So far riak is not fun at all.

Regards, Michael

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