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https://issues.apache.org/jira/browse/SOLR-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688919#comment-16688919
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Jason Gerlowski commented on SOLR-5970:
---------------------------------------
Attached a patch which takes a stab at this. With this change, the badconf
reproductions Ishan outlines above returns the following response:
{code}
{
"responseHeader":{
"status":400,
"QTime":2816},
"failure":{
"192.168.1.194:8983_solr":"org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:Error
from server at http://192.168.1.194:8983/solr: Error CREATEing SolrCore
'D827ACAB-8C4A-4C67-80B7-3DA93066FD6D_shard1_replica_n1': Unable to create core
[D827ACAB-8C4A-4C67-80B7-3DA93066FD6D_shard1_replica_n1] Caused by:
solr.ThrowErrorOnInitRequestHandler"},
"Operation create caused
exception:":"org.apache.solr.common.SolrException:org.apache.solr.common.SolrException:
Underlying core creation failed while creating collection: foo",
"exception":{
"msg":"Underlying core creation failed while creating collection: foo",
"rspCode":400},
"error":{
"metadata":[
"error-class","org.apache.solr.common.SolrException",
"root-error-class","org.apache.solr.common.SolrException"],
"msg":"Underlying core creation failed while creating collection: foo",
"code":400}}
{code}
*Miscellaneous Notes on the Patch*
* SolrJ code that encounters similar collection-creation error conditions will
see a {{RemoteSolrException}} be thrown. This is standard in SolrJ, just
mentioning it.
* existing tests pass, but I'd like to add a more explicit test for this case
(or adopt the one attached here already)
* The patch here only addresses this behavior for the create-collection API. I
could've made a broader change that affected other collection-admin APIs, but
didn't want to exceed the original intent here.
* Would love to get some feedback on the new response. Otherwise though I'll
commit in a few days.
As a side note, I hadn't paid attention to the collection-admin responses in a
while, and they were worse than I remembered. We have 4(!) different things
that readers might look at to check for problems: (1) the integer property
"status", (2) a top level "failure" property, (3) a top level "exception"
property, (4) a top level "error" property. Yikes. Def worth some further
attention and (maybe drastic) change. I'd be interested in helping where I can
if anyone else gets involved here.
> Create collection API always has status 0
> -----------------------------------------
>
> Key: SOLR-5970
> URL: https://issues.apache.org/jira/browse/SOLR-5970
> Project: Solr
> Issue Type: Bug
> Reporter: Abraham Elmahrek
> Assignee: Jason Gerlowski
> Priority: Major
> Attachments: SOLR-5970-test.patch, SOLR-5970.patch, bad.jar,
> schema.xml, solrconfig.xml
>
>
> The responses below are from a successful create collection API
> (https://cwiki.apache.org/confluence/display/solr/Collections+API#CollectionsAPI-CreateormodifyanAliasforaCollection)
> call and an unsuccessful create collection API call. It seems the 'status'
> is always 0.
> Success:
> {u'responseHeader': {u'status': 0, u'QTime': 4421}, u'success': {u'':
> {u'core': u'test1_shard1_replica1', u'responseHeader': {u'status': 0,
> u'QTime': 3449}}}}
> Failure:
> {u'failure':
> {u'':
> u"org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:Error
> CREATEing SolrCore 'test43_shard1_replica1': Unable to create core:
> test43_shard1_replica1 Caused by: Could not find configName for collection
> test43 found:[test1]"},
> u'responseHeader': {u'status': 0, u'QTime': 17149}
> }
> It seems like the status should be 400 or something similar for an
> unsuccessful attempt?
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