Aman Yadav created QPID-8736:
--------------------------------
Summary: java.lang.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
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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