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https://issues.apache.org/jira/browse/IGNITE-27993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksandr Chesnokov updated IGNITE-27993:
-----------------------------------------
Attachment: _Apache_Ignite_2.x_Tests_Thin_client_Python_35714.log
> NPE in NodeOrderComparator during python test suite
> ---------------------------------------------------
>
> Key: IGNITE-27993
> URL: https://issues.apache.org/jira/browse/IGNITE-27993
> Project: Ignite
> Issue Type: Bug
> Reporter: Aleksandr Chesnokov
> Priority: Major
> Attachments: _Apache_Ignite_2.x_Tests_Thin_client_Python_35714.log
>
>
> GridDiscoveryManager in disco-notifier-worker thread may fail with
> {noformat}
> [2026-02-25T18:24:15,901][ERROR][disco-notifier-worker-#42][GridDiscoveryManager]
> Exception in discovery notifier worker thread.
> java.lang.NullPointerException
> at
> org.apache.ignite.internal.cluster.NodeOrderComparator.compare(NodeOrderComparator.java:59)
> at
> org.apache.ignite.internal.cluster.NodeOrderComparator.compare(NodeOrderComparator.java:29)
> at java.base/java.util.TreeMap.compare(TreeMap.java:1292)
> at java.base/java.util.TreeMap.put(TreeMap.java:536)
> at java.base/java.util.TreeSet.add(TreeSet.java:255)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager.fillAffinityNodeCaches(GridDiscoveryManager.java:3579)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager.createDiscoCache(GridDiscoveryManager.java:2578)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$3.onDiscovery0(GridDiscoveryManager.java:696)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$3$NotificationTask.run(GridDiscoveryManager.java:972)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body0(GridDiscoveryManager.java:2864)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body(GridDiscoveryManager.java:2902)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:125)
> at java.base/java.lang.Thread.run(Thread.java:829){noformat}
> Was produced by tests.affinity.test_affinity.test_get_node_partitions and
> other tests from python suite. Build:
> https://ci2.ignite.apache.org/buildConfiguration/IgniteTests24Java8_WiPThinClientPython/8891469?branch=&buildTypeTab=overview&logFilter=debug&logView=flowAware&buildTab=overview
>
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