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ConcurrentModificationException in MetaTableSchemaCache #5955

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musketyr opened this issue Mar 13, 2025 · 0 comments · May be fixed by #5956
Open
1 task

ConcurrentModificationException in MetaTableSchemaCache #5955

musketyr opened this issue Mar 13, 2025 · 0 comments · May be fixed by #5956
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bug This issue is a bug. needs-triage This issue or PR still needs to be triaged.

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@musketyr
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Describe the bug

When MetaTableSchemaCache is accessed concurrently, it leads to MetaTableSchemaCache ConcurrentModificationException .

java.util.ConcurrentModificationException
	at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1229)
	at software.amazon.awssdk.enhanced.dynamodb.internal.mapper.MetaTableSchemaCache.getOrCreate(MetaTableSchemaCache.java:33)
	at com.agorapulse.micronaut.amazon.awssdk.dynamodb.schema.BeanIntrospectionTableSchema.create(BeanIntrospectionTableSchema.java:167)
	at com.agorapulse.micronaut.amazon.awssdk.dynamodb.DefaultTableSchemaCreator.create(DefaultTableSchemaCreator.java:42)
	at com.agorapulse.micronaut.amazon.awssdk.dynamodb.DefaultDynamoDBServiceProvider.lambda$findOrCreate$0(DefaultDynamoDBServiceProvider.java:72)
	at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708)
	at com.agorapulse.micronaut.amazon.awssdk.dynamodb.DefaultDynamoDBServiceProvider.findOrCreate(DefaultDynamoDBServiceProvider.java:71)
	at com.agorapulse.micronaut.amazon.awssdk.dynamodb.DynamoDBServiceProvider.findOrCreate(DynamoDBServiceProvider.java:32)
	at agorapulse.report.worker.job.ttl.ResaveJobTest.testResaveInstagramPostInsights(ResaveJobTest.java:55)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:767)
	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
	at io.micronaut.test.extensions.junit5.MicronautJunit5Extension$2.proceed(MicronautJunit5Extension.java:142)
	at io.micronaut.test.extensions.AbstractMicronautExtension.interceptEach(AbstractMicronautExtension.java:162)
	at io.micronaut.test.extensions.AbstractMicronautExtension$3.proceed(AbstractMicronautExtension.java:174)
	at io.micronaut.test.context.TestMethodInterceptor.interceptTest(TestMethodInterceptor.java:46)
	at io.micronaut.transaction.test.DefaultTestTransactionExecutionListener.lambda$interceptTest$0(DefaultTestTransactionExecutionListener.java:93)
	at io.micronaut.transaction.support.AbstractPropagatedStatusTransactionOperations.lambda$execute$2(AbstractPropagatedStatusTransactionOperations.java:68)
	at io.micronaut.transaction.TransactionCallback.apply(TransactionCallback.java:37)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeTransactional(AbstractTransactionOperations.java:333)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeWithNewTransaction(AbstractTransactionOperations.java:318)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeNew(AbstractTransactionOperations.java:235)
	at io.micronaut.transaction.support.AbstractTransactionOperations.doExecute(AbstractTransactionOperations.java:137)
	at io.micronaut.transaction.support.AbstractTransactionOperations.lambda$doExecute$0(AbstractTransactionOperations.java:122)
	at io.micronaut.data.connection.support.AbstractConnectionOperations.executeWithNewConnection(AbstractConnectionOperations.java:143)
	at io.micronaut.data.connection.support.AbstractConnectionOperations.execute(AbstractConnectionOperations.java:90)
	at io.micronaut.transaction.support.AbstractTransactionOperations.doExecute(AbstractTransactionOperations.java:120)
	at io.micronaut.transaction.support.AbstractPropagatedStatusTransactionOperations.execute(AbstractPropagatedStatusTransactionOperations.java:65)
	at io.micronaut.transaction.test.DefaultTestTransactionExecutionListener.interceptTest(DefaultTestTransactionExecutionListener.java:91)
	at io.micronaut.test.extensions.AbstractMicronautExtension.interceptEach(AbstractMicronautExtension.java:166)
	at io.micronaut.test.extensions.AbstractMicronautExtension$3.proceed(AbstractMicronautExtension.java:174)
	at io.micronaut.test.context.TestMethodInterceptor.interceptTest(TestMethodInterceptor.java:46)
	at io.micronaut.transaction.test.DefaultTestTransactionExecutionListener.lambda$interceptTest$0(DefaultTestTransactionExecutionListener.java:93)
	at io.micronaut.transaction.support.AbstractPropagatedStatusTransactionOperations.lambda$execute$2(AbstractPropagatedStatusTransactionOperations.java:68)
	at io.micronaut.transaction.TransactionCallback.apply(TransactionCallback.java:37)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeTransactional(AbstractTransactionOperations.java:333)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeWithNewTransaction(AbstractTransactionOperations.java:318)
	at io.micronaut.transaction.support.AbstractTransactionOperations.executeNew(AbstractTransactionOperations.java:235)
	at io.micronaut.transaction.support.AbstractTransactionOperations.doExecute(AbstractTransactionOperations.java:137)
	at io.micronaut.transaction.support.AbstractTransactionOperations.lambda$doExecute$0(AbstractTransactionOperations.java:122)
	at io.micronaut.data.connection.support.AbstractConnectionOperations.executeWithNewConnection(AbstractConnectionOperations.java:143)
	at io.micronaut.data.connection.support.AbstractConnectionOperations.execute(AbstractConnectionOperations.java:90)
	at io.micronaut.transaction.support.AbstractTransactionOperations.doExecute(AbstractTransactionOperations.java:120)
	at io.micronaut.transaction.support.AbstractPropagatedStatusTransactionOperations.execute(AbstractPropagatedStatusTransactionOperations.java:65)
	at io.micronaut.transaction.test.DefaultTestTransactionExecutionListener.interceptTest(DefaultTestTransactionExecutionListener.java:91)
	at io.micronaut.test.extensions.AbstractMicronautExtension.interceptEach(AbstractMicronautExtension.java:166)
	at io.micronaut.test.extensions.AbstractMicronautExtension.interceptTest(AbstractMicronautExtension.java:119)
	at io.micronaut.test.extensions.junit5.MicronautJunit5Extension.interceptTestMethod(MicronautJunit5Extension.java:129)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92)
	at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$8(TestMethodTestDescriptor.java:217)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:213)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:138)
	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:68)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:156)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:146)
	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:144)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:143)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:100)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:160)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:146)
	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:144)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:143)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:100)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:160)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:146)
	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:144)
	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:143)
	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:100)
	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
	at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
	at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)
	at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:124)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:99)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:94)
	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:63)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
	at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:92)
	at jdk.proxy2/jdk.proxy2.$Proxy6.stop(Unknown Source)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:200)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:132)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:103)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:63)
	at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:121)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
	at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
	at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)

Regression Issue

  • Select this option if this issue appears to be a regression.

Expected Behavior

MetaTableSchemaCache is thread safe.

Current Behavior

MetaTableSchemaCache is not thread safe and may cause ConcurrentModificationException.

Reproduction Steps

The issue is random and difficult to reproduce but the solution is obvious (see below).

Possible Solution

Replace

private final Map<Class<?>, MetaTableSchema<?>> cacheMap = new HashMap<>();

with

private final Map<Class<?>, MetaTableSchema<?>> cacheMap = new ConcurrentHashMap<>();

Additional Information/Context

No response

AWS Java SDK version used

2.29.7

JDK version used

Azul Zulu OpenJDK 64-Bit Server VM 21.0.6+7-LTS (mixed mode, emulated-client, sharing)

Operating System and version

macOS 15.0.1 (aarch64)
@musketyr musketyr added bug This issue is a bug. needs-triage This issue or PR still needs to be triaged. labels Mar 13, 2025
musketyr added a commit to musketyr/aws-sdk-java-v2 that referenced this issue Mar 13, 2025
@musketyr
Make MetaTableSchemaCache thread-safe
b5ef14a 
Fixes aws#5955
musketyr added a commit to musketyr/aws-sdk-java-v2 that referenced this issue Mar 13, 2025
@musketyr
Make MetaTableSchemaCache thread-safe
7a065da 
Fixes aws#5955
@musketyr musketyr linked a pull request Mar 13, 2025 that will close this issue
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Make MetaTableSchemaCache thread-safe musketyr/aws-sdk-java-v2
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