h.code created SOLR-13708:
-----------------------------
Summary: when deleteById call with _route_ is forwarded from
leader to replicas, version is getting dropped @ SolrJ unmarshal and making
replicas to go into recovery state.
Key: SOLR-13708
URL: https://issues.apache.org/jira/browse/SOLR-13708
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrJ
Affects Versions: 8.2, 6.6.2
Reporter: h.code
*Code :*
[https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/client/solrj/request/JavaBinUpdateRequestCodec.java#L161]
*before change :*
if (params != null)
{ Long version = (Long) params.get(UpdateRequest.VER); if
(params.containsKey(ShardParams._ROUTE_))
updateRequest.deleteById(entry.getKey(), (String)
params.get(ShardParams._ROUTE_)); else updateRequest.deleteById(entry.getKey(),
version); }
else
{ updateRequest.deleteById(entry.getKey()); }
2019-08-09 17:05:23.025 DEBUG (qtp1690859824-23) [c:xxx_v2_01 s:shard4
r:core_node18 x:xxx_v2_01_shard4_replica2] o.a.s.u.p.LogUpdateProcessorFactory
PRE_UPDATE delete{,id=email- XXXXXXXX -XXXXXXXX,commitWithin=-1,_route_=email-
XXXXXXXX }
{update.distrib=FROMLEADER&update.chain=add-unknown-fields-to-the-schema&distrib.from=http://XXXXXXXX:8983/solr/xxx_v2_01_shard4_replica3/&df=_text_&wt=javabin&version=2}
*After change :*
if (params != null)
{ updateRequest.deleteById(entry.getKey(), (String)
params.get(ShardParams._ROUTE_), (Long) params.get(UpdateRequest.VER)); }
else
{ updateRequest.deleteById(entry.getKey()); }
2019-08-12 12:31:11.095 DEBUG (qtp1690859824-22) [c:xxxx_v2_01 s:shard7
r:core_node12 x:xxx_v2_01_shard7_replica1] o.a.s.u.SolrCmdDistributor sending
update to [http://xxxxxxxxxxxxxxx:8983/solr/xxx_v2_01_shard7_replica2/] retry:0
delete{{color:#ff0000}*_version_=-1641679391125667840{color}*,id=email-XXXXX-XXXXX,indexedId=email-XXXXX-XXXXX,commitWithin=-1,_route_=email-XXXXX}
params:update.chain=add-unknown-fields-to-the-schema&update.distrib=FROMLEADER&distrib.from=[http://XXXXXXXX:8983/solr/xxx_v2_01_shard7_replica1/|http://xxxxxxxx:8983/solr/xxx_v2_01_shard7_replica1/]
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