Vladislav Pyatkov created IGNITE-13072:
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Summary: Synchronization problems when different classloaders are
used for deployment of same class
Key: IGNITE-13072
URL: https://issues.apache.org/jira/browse/IGNITE-13072
Project: Ignite
Issue Type: Bug
Reporter: Vladislav Pyatkov
Assignee: Vladislav Pyatkov
If you concurrently deploy one class using different classloaders you can get
error:
{noformat}
2020-04-28
14:36:42.523[ERROR][sys-stripe-45-#46%GRID%GridNodeName%][o.a.i.i.m.d.GridDeploymentLocalStore]
Found more than one active deployment for the same resource [cls=class
org.some.class.old.InvokeIndexRemover, depMode=SHARED, dep=GridDeployment
[ts=1588067100125, depMode=SHARED,
clsLdr=org.some.class.factory.NodeClassLoader@14035d21,
clsLdrId=85ab310c171-a9fad11c-9f8c-4d2a-8146-6c87254303e7, userVer=0, loc=true,
sampleClsName=org.some.class.predicates.CompositePredicate,
pendingUndeploy=false, undeployed=false, usage=0]]
2020-04-28
14:36:42.544[ERROR][sys-stripe-45-#46%GRID%GridNodeName%][o.a.i.i.p.cache.GridCacheIoManager]
Failed to process message [senderId=f104e069-9d80-4202-b50a-b3dc1804ac89,
msg=GridNearAtomicSingleUpdateRequest [key=KeyCacheObject [hasValBytes=true],
super=GridNearAtomicSingleUpdateRequest [key=KeyCacheObject [hasValBytes=true],
parent=GridNearAtomicAbstractSingleUpdateRequest [nodeId=null, futId=1376257,
topVer=AffinityTopologyVersion [topVer=35, minorTopVer=0],
parent=GridNearAtomicAbstractUpdateRequest [res=null, flags=]]]]]
java.lang.AssertionError: null
at
org.apache.ignite.internal.managers.deployment.GridDeploymentLocalStore.getDeployment(GridDeploymentLocalStore.java:203)
at
org.apache.ignite.internal.managers.deployment.GridDeploymentManager.getLocalDeployment(GridDeploymentManager.java:383)
at
org.apache.ignite.internal.processors.cache.GridCacheDeploymentManager$CacheClassLoader.findClass(GridCacheDeploymentManager.java:802)
at
org.apache.ignite.internal.processors.cache.GridCacheDeploymentManager$CacheClassLoader.loadClass(GridCacheDeploymentManager.java:794)
at org.apache.ignite.internal.util.IgniteUtils.forName(IgniteUtils.java:8561)
at
org.apache.ignite.internal.MarshallerContextImpl.getClass(MarshallerContextImpl.java:374)
at
org.apache.ignite.internal.binary.BinaryContext.descriptorForTypeId(BinaryContext.java:700)
at
org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1757)
at
org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1716)
at
org.apache.ignite.internal.binary.GridBinaryMarshaller.deserialize(GridBinaryMarshaller.java:313)
at
org.apache.ignite.internal.binary.BinaryMarshaller.unmarshal0(BinaryMarshaller.java:99)
at
org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.unmarshal(AbstractNodeNameAwareMarshaller.java:82)
at org.apache.ignite.internal.util.IgniteUtils.unmarshal(IgniteUtils.java:9959)
at
org.apache.ignite.internal.util.IgniteUtils.unmarshal(IgniteUtils.java:10017)
at
org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicSingleUpdateInvokeRequest.finishUnmarshal(GridNearAtomicSingleUpdateInvokeRequest.java:200)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.unmarshall(GridCacheIoManager.java:1560)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.onMessage0(GridCacheIoManager.java:582)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:386)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.handleMessage(GridCacheIoManager.java:312)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager.access$100(GridCacheIoManager.java:102)
at
org.apache.ignite.internal.processors.cache.GridCacheIoManager$1.onMessage(GridCacheIoManager.java:301)
at
org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1556)
at
org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1184)
at
org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:125)
at
org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1091)
at
org.apache.ignite.internal.util.StripedExecutor$Stripe.body(StripedExecutor.java:546)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
at java.lang.Thread.run(Thread.java:748)
{noformat}
Looks like we lack synchronization for modifying
{{LocalDeploymentSpi.ldrRsrcs}}.
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