[ 
https://issues.apache.org/jira/browse/SOLR-7115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Mikhail Khludnev updated SOLR-7115:
-----------------------------------
    Attachment: SOLR-7115.patch

[^SOLR-7115.patch] straightforward test 
{code}
java.lang.AssertionError: ObjectTracker found 158 object(s) that were not 
released!!! [TransactionLog, TransactionLog, ....]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:43)
        at org.apache.solr.update.TransactionLog.<init>(TransactionLog.java:188)
        at 
org.apache.solr.update.UpdateLog.newTransactionLog(UpdateLog.java:344)
        at org.apache.solr.update.UpdateLog.ensureLog(UpdateLog.java:859)
        at org.apache.solr.update.UpdateLog.add(UpdateLog.java:428)
        at org.apache.solr.update.UpdateLog.add(UpdateLog.java:415)
        at 
org.apache.solr.update.DirectUpdateHandler2.doNormalUpdate(DirectUpdateHandler2.java:299)
        at 
org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:211)
        at 
org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:166)
        at 
org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:67)
        ...
        at org.apache.solr.SolrTestCaseJ4.assertU(SolrTestCaseJ4.java:740)
        at 
org.apache.solr.core.TestMaxOnDeckSearchersException$1.run(TestMaxOnDeckSearchersException.java:68)
{code}

> UpdateLog can miss closing transaction log objects.
> ---------------------------------------------------
>
>                 Key: SOLR-7115
>                 URL: https://issues.apache.org/jira/browse/SOLR-7115
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Mark Miller
>         Attachments: SOLR-7115-LargeVolumeEmbeddedTest-fail.txt, 
> SOLR-7115.patch
>
>
> I've seen this happen on YourKit and in various tests - especially since 
> adding resource release tracking to the log objects. Now I've got a test that 
> catches it in SOLR-7113.
> It seems that in precommit, if prevTlog is not null, we need to close it 
> because we are going to overwrite prevTlog with a new log.



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