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https://issues.apache.org/jira/browse/DBCP-569?focusedWorklogId=530497&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-530497
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ASF GitHub Bot logged work on DBCP-569:
---------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jan/21 00:55
Start Date: 04/Jan/21 00:55
Worklog Time Spent: 10m
Work Description: efge opened a new pull request #84:
URL: https://github.com/apache/commons-dbcp/pull/84
See [DBCP-569](https://issues.apache.org/jira/browse/DBCP-569).
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Issue Time Tracking
-------------------
Worklog Id: (was: 530497)
Remaining Estimate: 0h
Time Spent: 10m
> Fix test random failure on
> TestSynchronizationOrder.testInterposedSynchronization
> ---------------------------------------------------------------------------------
>
> Key: DBCP-569
> URL: https://issues.apache.org/jira/browse/DBCP-569
> Project: Commons DBCP
> Issue Type: Bug
> Reporter: Florent Guillaume
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {{TestSynchronizationOrder.testInterposedSynchronization}} may fail randomly
> depending on GC behavior, because the test involves a {{Transaction}} object
> held only be weak references, which may be cleared earlier that the test
> expects:
> {noformat}
> java.sql.SQLException: Unable to enlist connection because the transaction
> has been garbage collected
> at
> org.apache.commons.dbcp2.managed.TransactionContext.getTransaction(TransactionContext.java:186)
> at
> org.apache.commons.dbcp2.managed.TransactionContext.setSharedConnection(TransactionContext.java:105)
> at
> org.apache.commons.dbcp2.managed.ManagedConnection.updateTransactionStatus(ManagedConnection.java:310)
> at
> org.apache.commons.dbcp2.managed.ManagedConnection.<init>(ManagedConnection.java:89)
> at
> org.apache.commons.dbcp2.managed.ManagedDataSource.getConnection(ManagedDataSource.java:64)
> at
> org.apache.commons.dbcp2.managed.TestSynchronizationOrder.testInterposedSynchronization(TestSynchronizationOrder.java:118)
> {noformat}
> The {{TransactionContext.transactionRef}} and the
> {{TransactionRegistry.caches}} are holding onto the {{Transaction}} (acquired
> in {{TransactionRegistry.getActiveTransactionContext()}}) only using weak
> refs.
> However in {{TestSynchronizationOrder}} the fake {{TransactionManager}}
> returns a {{Transaction}} (that's an instance of an anonymous class) but
> nobody holds a strong reference to that. The fake {{TransactionManager}}
> should create the fake {{Transaction}} at {{begin()}} time, and hold onto it
> using a strong reference until {{commit()}} time.
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