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From "Abhay Kulkarni (Jira)" <j...@apache.org>
Subject [jira] [Commented] (RANGER-3290) ArrayIndexOutOfBoundsException if solr is down
Date Thu, 20 May 2021 15:59:00 GMT

    [ https://issues.apache.org/jira/browse/RANGER-3290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17348603#comment-17348603
] 

Abhay Kulkarni commented on RANGER-3290:
----------------------------------------

[~asalamon74] Please consider changing 

if (nodes.size() == 0) {

to

if (CollectionUtils.isEmpty(nodes)) {

 

 

> ArrayIndexOutOfBoundsException if solr is down
> ----------------------------------------------
>
>                 Key: RANGER-3290
>                 URL: https://issues.apache.org/jira/browse/RANGER-3290
>             Project: Ranger
>          Issue Type: Improvement
>          Components: audit
>            Reporter: Andras Salamon
>            Priority: Minor
>         Attachments: RANGER-3290-01.patch
>
>
> [SolrCollectionBootstrapper|https://github.com/apache/ranger/blob/master/embeddedwebserver/src/main/java/org/apache/ranger/server/tomcat/SolrCollectionBootstrapper.java]
uploads a config to solr and creates a collection.
> If solr is down (there are no live servers) during the collection creation phase, we
got a meaningful error message (from catalina.out):
> {noformat}May 19, 2021 4:37:44 PM org.apache.ranger.server.tomcat.SolrCollectionBootstrapper
getCollections
> SEVERE: getCollections() operation failed : org.apache.solr.client.solrj.SolrServerException:
No live SolrServers available to handle this request{noformat}
> On the other hand, if solr is down during the config upload phase the error message is
not too useful:
> {noformat}May 20, 2021 8:07:59 AM org.apache.ranger.server.tomcat.SolrCollectionBootstrapper
uploadConfiguration
> SEVERE: Error while uploading configs : java.lang.ArrayIndexOutOfBoundsException: 0{noformat}



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