exception when listing keys

Michael Gnatz spa1 at trali.de
Sun Jun 26 15:55:22 EDT 2016


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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