You can disable the cache by adding the following to the riak_kv section of the 
app.config file:
{vnode_cache_entries, 0}

Grant

On Nov 5, 2010, at 1:40 PM, Leonid Riaboshtan wrote:

> I had issue like that, after some moment, I began to receive strange stuff on 
> reduce phase, something like bucket info or meta info of some key, but 
> function was never changed, maybe reduce was changed, but not map for sure.
> 
> After RIAK restart it was all smooth again and I actually couldn't repeat it, 
> so it really must be because of some development actions involved.
> 
> How to disable javascript cache?
> 
> Thanks!
> 
> P.S. And how to wait for next release? x_X
> 
> On Fri, Nov 5, 2010 at 8:23 PM, Kevin Smith <[email protected]> wrote:
> I believe this error occurs when Riak erroneously cache a bad return value, 
> ie a non-list/array. For now, the best I can offer is either to bounce the 
> offending node or disable the cache.
> 
> --Kevin
> 
> Sent from my iPhone
> 
> On Nov 5, 2010, at 8:20 AM, Jan Metzner <[email protected]> wrote:
> 
> > Hi kevin,
> >
> > thanks for the answer - is there a workaround for this and when will
> > this error occur?
> >
> > Thanks
> > Jan
> >
> > 2010/11/5 Kevin Smith <[email protected]>:
> >> Jan -
> >>
> >> This is a bug in the JS cache which will be fixed in the upcoming release.
> >>
> >> --Kevin
> >>
> >> Sent from my iPhone
> >>
> >> On Nov 5, 2010, at 12:33 AM, Jan Metzner <[email protected]> wrote:
> >>
> >>> Hi Folks,
> >>>
> >>> after importing a lot of data i fired some map reduce javascript
> >>> queries with some strange results.
> >>> I had a typo in the first query but the error from this query was also
> >>> returned for the other queries.
> >>> The queries were not made parallel and the error appears also in the log 
> >>> files.
> >>> After restarting the riak server everything went to normal.
> >>>
> >>> Any chance how to avaoid there strange behaviour?
> >>>
> >>> Ciao Jan
> >>>
> >>> Here is the sequence from the riak log files:
> >>>
> >>> =ERROR REPORT==== 4-Nov-2010::16:16:20 ===
> >>> ** State machine <0.19673.82> terminating
> >>> ** Last event in was inputs_done
> >>> ** When State == executing
> >>> **      Data  == {state,3,riak_kv_reduce_phase,
> >>>                     {state,
> >>>                         {javascript,
> >>>                             {reduce,
> >>>                                 {jsanon,
> >>>                                     <<"function(values, arg){ var
> >>> pvalues=[]; for(var i = 0; i < values.length; i++){ if(values[i].id){
> >>> if(values[i].wallpost){ pvalues[pvalues.length]=values[i]; } else
> >>> if(values[i].comments){ var addEve
> >>> nt = false; for(var c=0; c < values[i].comments.length; c++){
> >>> if(values[i].comments[c].userId == '100000082183525'){addEvent=true;}}
> >>> if(addEvent){pvalues[pvalues.length]=values[i];} }} } return
> >>> pvalues.sort(function(a,b){ var autc=a.utc;
> >>> if(a.comments){for(var i=0; i< a.comments.length; i++){ var
> >>> cutc=a.comments[i].timestamp; autc=cutc > autc?cutc:autc;}} var
> >>> butc=b.utc; if(b.comments){for(var i=0; i< b.comments.length; i++){
> >>> var cutc=b.comments[i].timestamp; butc=cutc > butc?cutc:butc;}} var
> >>> diff=autc-butc; return diff==0 ? 0 : diff > 0 ? -1 : 1; }); }">>},
> >>>                                 none,true}},
> >>>                         [],[]},
> >>>                     true,true,<0.19674.82>,
> >>>                     [<0.19674.82>],
> >>>                     undefined,0,<0.19672.82>,66000}
> >>> ** Reason for termination =
> >>> ** {error,[{<<"lineno">>,1},
> >>>           {<<"message">>,<<"TypeError: iv.values is undefined">>},
> >>>           {<<"source">>,<<"unknown">>}]}
> >>>
> >>> =ERROR REPORT==== 4-Nov-2010::16:17:07 ===
> >>> ** State machine <0.20427.82> terminating
> >>> ** Last event in was inputs_done
> >>> ** When State == executing
> >>> **      Data  == {state,3,riak_kv_reduce_phase,
> >>>                     {state,
> >>>                         {javascript,
> >>>                             {reduce,
> >>>                                 {jsanon,
> >>>                                     <<"function(values, arg){ var
> >>> pvalues=[]; for(var i = 0; i < values.length; i++){ if(values[i].id){
> >>> if(values[i].wallpost){ pvalues[pvalues.length]=values[i]; } else
> >>> if(values[i].comments){ var addEvent = false; for(var c=0; c <
> >>> values[i].comments.length; c++){ if(values[i].comments[c].userId ==
> >>> '100000082183525'){addEvent=true;}}
> >>> if(addEvent){pvalues[pvalues.length]=values[i];} }} } return
> >>> pvalues.sort(function(a,b){ var autc=a.utc; if(a.comments){for(var
> >>> i=0; i< a.comments.length; i++){ var cutc=a.comments[i].timestamp;
> >>> autc=cutc > autc?cutc:autc;}} var butc=b.utc; if(b.comments){for(var
> >>> i=0; i< b.comments.length; i++){ var cutc=b.comments[i].timestamp;
> >>> butc=cutc > butc?cutc:butc;}} var diff=autc-butc; return diff==0 ? 0 :
> >>> diff > 0 ? -1 : 1; }); }">>},
> >>>                                 none,true}},
> >>>                         [],[]},
> >>>                     true,true,<0.20428.82>,
> >>>                     [<0.20428.82>],
> >>>                     undefined,0,<0.20426.82>,66000}
> >>> ** Reason for termination =
> >>> ** {error,[{<<"lineno">>,1},
> >>>           {<<"message">>,<<"TypeError: iv.values is undefined">>},
> >>>           {<<"source">>,<<"unknown">>}]}
> >>>
> >>> _______________________________________________
> >>> riak-users mailing list
> >>> [email protected]
> >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
> >>
> >
> > _______________________________________________
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> 
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