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https://issues.apache.org/jira/browse/QPID-8736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Daniil Kirilyuk updated QPID-8736:
----------------------------------
    Summary: [Broker-J] NullPointerException: Cannot invoke 
"java.util.List.add(Object)" because "frames" is null  (was: 
java.lang.NullPointerException: Cannot invoke "java.util.List.add(Object)" 
because "frames" is null)

> [Broker-J] NullPointerException: Cannot invoke "java.util.List.add(Object)" 
> because "frames" is null
> ----------------------------------------------------------------------------------------------------
>
>                 Key: QPID-8736
>                 URL: https://issues.apache.org/jira/browse/QPID-8736
>             Project: Qpid
>          Issue Type: Bug
>          Components: Broker-J
>    Affects Versions: qpid-java-broker-7.0.9
>            Reporter: Aman Yadav
>            Priority: Critical
>         Attachments: Screenshot 2026-01-30 at 8.19.50 PM.png
>
>
> In one of our environments, qpid broker is shutting down due to this 
> NullPointerException
> qpidbrkr`20251209061229.129` ERROR [IO-/10.174.128.242:48504] - Uncaught 
> exception, shutting down.
> java.lang.NullPointerException: Cannot invoke "java.util.List.add(Object)" 
> because "frames" is null
>         at 
> org.apache.qpid.server.protocol.v0_10.ServerAssembler.frame(ServerAssembler.java:220)
>         at 
> org.apache.qpid.server.protocol.v0_10.ServerAssembler.received(ServerAssembler.java:135)
>         at 
> org.apache.qpid.server.protocol.v0_10.ServerAssembler.lambda$received$0(ServerAssembler.java:96)
>         at 
> java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
>         at 
> org.apache.qpid.server.protocol.v0_10.ServerAssembler.received(ServerAssembler.java:90)
>         at 
> org.apache.qpid.server.protocol.v0_10.ServerInputHandler.received(ServerInputHandler.java:184)
>         at 
> org.apache.qpid.server.protocol.v0_10.AMQPConnection_0_10Impl.lambda$received$1(AMQPConnection_0_10Impl.java:146)
>         at 
> java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
>         at 
> org.apache.qpid.server.protocol.v0_10.AMQPConnection_0_10Impl.received(AMQPConnection_0_10Impl.java:141)
>         at 
> org.apache.qpid.server.transport.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:135)
>         at 
> org.apache.qpid.server.transport.NonBlockingConnection.processAmqpData(NonBlockingConnection.java:611)
>         at 
> org.apache.qpid.server.transport.NonBlockingConnectionPlainDelegate.processData(NonBlockingConnectionPlainDelegate.java:58)
>         at 
> org.apache.qpid.server.transport.NonBlockingConnection.doRead(NonBlockingConnection.java:496)
>         at 
> org.apache.qpid.server.transport.NonBlockingConnection.doWork(NonBlockingConnection.java:270)
>         at 
> org.apache.qpid.server.transport.NetworkConnectionScheduler.processConnection(NetworkConnectionScheduler.java:134)
>         at 
> org.apache.qpid.server.transport.SelectorThread$ConnectionProcessor.processConnection(SelectorThread.java:575)
>         at 
> org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:366)
>         at 
> org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
>         at 
> org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:533)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
>         at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
>         at 
> org.apache.qpid.server.bytebuffer.QpidByteBufferFactory.lambda$createQpidByteBufferTrackingThreadFactory$0(QpidByteBufferFactory.java:464)
>         at java.base/java.lang.Thread.run(Thread.java:840)



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