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Posted to issues@flink.apache.org by "Márton Balassi (Jira)" <ji...@apache.org> on 2024/04/30 14:30:00 UTC
[jira] [Created] (FLINK-35278) Occasional NPE on k8s operator status replacement
Márton Balassi created FLINK-35278:
--------------------------------------
Summary: Occasional NPE on k8s operator status replacement
Key: FLINK-35278
URL: https://issues.apache.org/jira/browse/FLINK-35278
Project: Flink
Issue Type: Bug
Components: Kubernetes Operator
Reporter: Márton Balassi
Fix For: kubernetes-operator-1.9.0
Infrequently we get a null pointer exception on status replacement:
{noformat}
logger: io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher
message: Error during error status handling.
throwable: { [-]
class: java.lang.NullPointerException
msg: null
stack: [ [-]
org.apache.flink.kubernetes.operator.utils.StatusRecorder.replaceStatus(StatusRecorder.java:136)
org.apache.flink.kubernetes.operator.utils.StatusRecorder.patchAndCacheStatus(StatusRecorder.java:97)
org.apache.flink.kubernetes.operator.reconciler.ReconciliationUtils.toErrorStatusUpdateControl(ReconciliationUtils.java:438)
org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.updateErrorStatus(FlinkDeploymentController.java:213)
org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.updateErrorStatus(FlinkDeploymentController.java:60)
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleErrorStatusHandler(ReconciliationDispatcher.java:194)
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleReconcile(ReconciliationDispatcher.java:123)
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleDispatch(ReconciliationDispatcher.java:91)
io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleExecution(ReconciliationDispatcher.java:64)
io.javaoperatorsdk.operator.processing.event.EventProcessor$ReconcilerExecutor.run(EventProcessor.java:452)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.lang.Thread.run(Thread.java:829)
]
}{noformat}
I suspect it probably is thrown by getResourceVersion() here:
[https://github.com/apache/flink-kubernetes-operator/blob/main/flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/utils/StatusRecorder.java#L136]
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