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https://issues.apache.org/jira/browse/ARTEMIS-4734?focusedWorklogId=915890&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-915890
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ASF GitHub Bot logged work on ARTEMIS-4734:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Apr/24 18:42
            Start Date: 22/Apr/24 18:42
    Worklog Time Spent: 10m 
      Work Description: jbertram opened a new pull request, #4900:
URL: https://github.com/apache/activemq-artemis/pull/4900

   (no comment)




Issue Time Tracking
-------------------

            Worklog Id:     (was: 915890)
    Remaining Estimate: 0h
            Time Spent: 10m

> Null dereferencing in ReplicationManager.java
> ---------------------------------------------
>
>                 Key: ARTEMIS-4734
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-4734
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>            Reporter: Galkin Alexey
>            Assignee: Justin Bertram
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{repliToken}} can be 0.
> In 
> {{org.apache.activemq.artemis.core.replication.ReplicationManager#sendReplicatePacket(org.apache.activemq.artemis.core.protocol.core.Packet,
>  boolean, org.apache.activemq.artemis.utils.ReusableLatch)}} the 
> {{repliToken}} is initialized with the value returned by ([line 
> 464|https://github.com/apache/activemq-artemis/blob/main/artemis-server/src/main/java/org/apache/activemq/artemis/core/replication/ReplicationManager.java])
>  {{OperationContextImpl.getContext(ioExecutorFactory)}}, i.e.:
> {code:java}
> final OperationContext repliToken = 
> OperationContextImpl.getContext(ioExecutorFactory);{code}
> Inside this method, a call is made to 
> {{OperationContextImpl.threadLocalContext.get()}}([line 
> 61|https://github.com/apache/activemq-artemis/blob/main/artemis-server/src/main/java/org/apache/activemq/artemis/core/persistence/impl/journal/OperationContextImpl.java]),
>  which returns the value from the thread that was set earlier. If no value 
> was set in the stream, then token will be {{null}}.
> {code:java}
> OperationContext token = OperationContextImpl.threadLocalContext.get();{code}
> If {{ioExecutorFactory}} is {{null}} and there is no value set in the thread, 
> then the {{repliToken}} will remain {{null}} because the backing 
> {{getContext()}} method also returns {{null}} in this case.
>  So {{repliToken}} can be 0 if {{ioExecutorFactory}} is {{null}} and there is 
> no value set in the thread.
> Found by Linux Verification Center (portal.linuxtesting.ru) with SVACE.
> Author Alexey Galkin.
>  
>  



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