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From Tomás Fernández Löbbe (JIRA) <j...@apache.org>
Subject [jira] [Updated] (SOLR-11620) Occasional NullPointerException in CloudSolrClient
Date Thu, 21 Dec 2017 00:16:19 GMT

     [ https://issues.apache.org/jira/browse/SOLR-11620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tomás Fernández Löbbe updated SOLR-11620:
-----------------------------------------
    Description: 
When sending document updates to Solr, we occasionally see the following error:
{noformat}
java.lang.NullPointerException
	at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1182)
	at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:1073)
	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:160)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:173)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:138)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:152)
{noformat}
Looking at the code, there is a lack of null check on requestedCollections around the for
loop
for (DocCollection ext : requestedCollections) 
which causes the error. Wrapping this loop with if(requestedCollections != null) would solve
the problem.

  was:
When sending document updates to Solr, we occasionally see the following error:

java.lang.NullPointerException
	at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1182)
	at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:1073)
	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:160)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:173)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:138)
	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:152)

Looking at the code, there is a lack of null check on requestedCollections around the for
loop
for (DocCollection ext : requestedCollections) 
which causes the error. Wrapping this loop with if(requestedCollections != null) would solve
the problem.


> Occasional NullPointerException in CloudSolrClient 
> ---------------------------------------------------
>
>                 Key: SOLR-11620
>                 URL: https://issues.apache.org/jira/browse/SOLR-11620
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrJ
>    Affects Versions: 6.6.1
>            Reporter: Rob Trickey
>            Priority: Minor
>
> When sending document updates to Solr, we occasionally see the following error:
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1182)
> 	at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:1073)
> 	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:160)
> 	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:173)
> 	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:138)
> 	at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:152)
> {noformat}
> Looking at the code, there is a lack of null check on requestedCollections around the
for loop
> for (DocCollection ext : requestedCollections) 
> which causes the error. Wrapping this loop with if(requestedCollections != null) would
solve the problem.



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