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Type:
Bug
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Resolution: Unresolved
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Priority:
P3
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Affects Version/s: 17.0.4
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Component/s: hotspot
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Environment:
32 bit arm
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aarch32
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linux
Bug originally reported here:
https://github.com/adoptium/adoptium-support/issues/609
It has a reproducer and steps as to how to reproduce attached.
Actual (NPE in LinkedBlockingQueue):
2022-11-21T23:57:46.861349+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] java.lang.NullPointerException: Cannot read field "next" because "<local1>" is null
2022-11-21T23:57:46.861793+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.LinkedBlockingQueue.dequeue(Unknown Source)
2022-11-21T23:57:46.862291+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.LinkedBlockingQueue.take(Unknown Source)
2022-11-21T23:57:46.862715+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
2022-11-21T23:57:46.863181+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
2022-11-21T23:57:46.863657+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
2022-11-21T23:57:46.864193+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.lang.Thread.run(Unknown Source)
Expected: No NPE.
This might be a concurrency issue.
https://github.com/adoptium/adoptium-support/issues/609
It has a reproducer and steps as to how to reproduce attached.
Actual (NPE in LinkedBlockingQueue):
2022-11-21T23:57:46.861349+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] java.lang.NullPointerException: Cannot read field "next" because "<local1>" is null
2022-11-21T23:57:46.861793+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.LinkedBlockingQueue.dequeue(Unknown Source)
2022-11-21T23:57:46.862291+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.LinkedBlockingQueue.take(Unknown Source)
2022-11-21T23:57:46.862715+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
2022-11-21T23:57:46.863181+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
2022-11-21T23:57:46.863657+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
2022-11-21T23:57:46.864193+00:00 APP-val app: ERROR [DBus-Signal-Receiver-9, AppRepeater] #011at java.base/java.lang.Thread.run(Unknown Source)
Expected: No NPE.
This might be a concurrency issue.