[jira] [Created] (SOLR-14484) NPE in ConcurrentUpdateHttp2SolrClient MDC logging

["Andras Salamon (Jira)" <ji...@apache.org>]

Andras Salamon created SOLR-14484:
-------------------------------------

             Summary: NPE in ConcurrentUpdateHttp2SolrClient MDC logging
                 Key: SOLR-14484
                 URL: https://issues.apache.org/jira/browse/SOLR-14484
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 8.4.1
            Reporter: Andras Salamon


{{client.getBaseURL()}} can be null in {{ConcurrentUpdateHttp2SolrClient}} which can cause problems in MDC logging.

We had the following error in the stacktrace. We were using Solr 8.4.1 from lily hbase-indexer which still uses log4j 1.2:
{noformat}
Error from server at http://127.0.0.1:45895/solr/collection1: java.lang.NullPointerException
 at java.util.Hashtable.put(Hashtable.java:459)
 at org.apache.log4j.MDC.put0(MDC.java:150)
 at org.apache.log4j.MDC.put(MDC.java:85)
 at org.slf4j.impl.Log4jMDCAdapter.put(Log4jMDCAdapter.java:67)
 at org.slf4j.MDC.put(MDC.java:147)
 at org.apache.solr.client.solrj.impl.ConcurrentUpdateHttp2SolrClient.addRunner(ConcurrentUpdateHttp2SolrClient.java:346)
 at org.apache.solr.client.solrj.impl.ConcurrentUpdateHttp2SolrClient.waitForEmptyQueue(ConcurrentUpdateHttp2SolrClient.java:565)
 {noformat}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@lucene.apache.org
For additional commands, e-mail: issues-help@lucene.apache.org