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From "Varun Thacker (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SOLR-12708) Async collection actions should not hide failures
Date Fri, 21 Sep 2018 17:47:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-12708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Thacker reassigned SOLR-12708:
------------------------------------

    Assignee: Varun Thacker

> Async collection actions should not hide failures
> -------------------------------------------------
>
>                 Key: SOLR-12708
>                 URL: https://issues.apache.org/jira/browse/SOLR-12708
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Admin UI, Backup/Restore
>    Affects Versions: 7.4
>            Reporter: Mano Kovacs
>            Assignee: Varun Thacker
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Async collection API may hide failures compared to sync version. [OverseerCollectionMessageHandler::processResponses|https://github.com/apache/lucene-solr/blob/master/solr/core/src/java/org/apache/solr/cloud/api/collections/OverseerCollectionMessageHandler.java#L744] structures
errors differently in the response, that hides failures from most evaluators. RestoreCmd
did not receive, nor handle async addReplica issues.
> Sample create collection sync and async result with invalid solrconfig.xml:
> {noformat}
> {
> "responseHeader":{
> "status":0,
> "QTime":32104},
> "failure":{
> "localhost:8983_solr":"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error
from server at http://localhost:8983/solr: Error CREATEing SolrCore 'name4_shard1_replica_n1':
Unable to create core [name4_shard1_replica_n1] Caused by: The content of elements must consist
of well-formed character data or markup.",
> "localhost:8983_solr":"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error
from server at http://localhost:8983/solr: Error CREATEing SolrCore 'name4_shard2_replica_n2':
Unable to create core [name4_shard2_replica_n2] Caused by: The content of elements must consist
of well-formed character data or markup.",
> "localhost:8983_solr":"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error
from server at http://localhost:8983/solr: Error CREATEing SolrCore 'name4_shard1_replica_n2':
Unable to create core [name4_shard1_replica_n2] Caused by: The content of elements must consist
of well-formed character data or markup.",
> "localhost:8983_solr":"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error
from server at http://localhost:8983/solr: Error CREATEing SolrCore 'name4_shard2_replica_n1':
Unable to create core [name4_shard2_replica_n1] Caused by: The content of elements must consist
of well-formed character data or markup."}
> }
> {noformat}
> vs async:
> {noformat}
> {
> "responseHeader":{
> "status":0,
> "QTime":3},
> "success":{
> "localhost:8983_solr":{
> "responseHeader":{
> "status":0,
> "QTime":12}},
> "localhost:8983_solr":{
> "responseHeader":{
> "status":0,
> "QTime":3}},
> "localhost:8983_solr":{
> "responseHeader":{
> "status":0,
> "QTime":11}},
> "localhost:8983_solr":{
> "responseHeader":{
> "status":0,
> "QTime":12}}},
> "myTaskId2709146382836":{
> "responseHeader":{
> "status":0,
> "QTime":1},
> "STATUS":"failed",
> "Response":"Error CREATEing SolrCore 'name_shard2_replica_n2': Unable to create core
[name_shard2_replica_n2] Caused by: The content of elements must consist of well-formed character
data or markup."},
> "status":{
> "state":"completed",
> "msg":"found [myTaskId] in completed tasks"}}
> {noformat}
> Proposing adding failure node to the results, keeping backward compatible but correct
result.



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