Mikhail Pochatkin created IGNITE-26159:
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Summary: NullPointerException on Compute when a node is restarted
Key: IGNITE-26159
URL: https://issues.apache.org/jira/browse/IGNITE-26159
Project: Ignite
Issue Type: Bug
Components: compute ai3
Reporter: Mikhail Pochatkin
Assignee: Mikhail Pochatkin
Fix For: 3.1
{code:java}
2025-08-07 06:58:41:013 +0000
[ERROR][%node1%metastorage-publisher-1][JobContextManager] Failed to acquire
class loader for units: []
java.util.concurrent.CompletionException: java.lang.NullPointerException
at
java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
at
java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
at
java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:645)
at
java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
at
java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2075)
at
org.apache.ignite.internal.util.subscription.AccumulatorSubscriber.onComplete(AccumulatorSubscriber.java:57)
at
org.apache.ignite.internal.metastorage.impl.MetaStorageManagerImpl$2.onComplete(MetaStorageManagerImpl.java:1400)
at
org.apache.ignite.internal.metastorage.impl.CursorSubscription.processRequest(CursorSubscription.java:129)
at
org.apache.ignite.internal.metastorage.impl.CursorSubscription.lambda$requestNextBatch$0(CursorSubscription.java:151)
at
java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
at
java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
at
java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
at
org.apache.ignite.internal.deployunit.FileDeployerService.unitPath(FileDeployerService.java:164)
at
org.apache.ignite.internal.deployunit.FileDeployerService.unitPath(FileDeployerService.java:149)
at
org.apache.ignite.internal.deployunit.DeploymentUnitAccessorImpl.lambda$acquire$1(DeploymentUnitAccessorImpl.java:40)
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
at
org.apache.ignite.internal.util.RefCountedObjectPool.acquire(RefCountedObjectPool.java:44)
at
org.apache.ignite.internal.deployunit.DeploymentUnitAccessorImpl.lambda$acquire$2(DeploymentUnitAccessorImpl.java:38)
at
org.apache.ignite.internal.deployunit.DeploymentUnitAccessorImpl.executeWithLock(DeploymentUnitAccessorImpl.java:64)
at
org.apache.ignite.internal.deployunit.DeploymentUnitAccessorImpl.acquire(DeploymentUnitAccessorImpl.java:38)
at
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
at
java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
at
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at
java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at
java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at
org.apache.ignite.internal.compute.loader.JobContextManager.createClassLoader(JobContextManager.java:112)
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
at
org.apache.ignite.internal.util.RefCountedObjectPool.acquire(RefCountedObjectPool.java:44)
at
org.apache.ignite.internal.compute.loader.JobContextManager.lambda$acquireClassLoader$4(JobContextManager.java:82)
at
java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)
... 12 more {code}
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