[ 
https://issues.apache.org/jira/browse/HUDI-2593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17435747#comment-17435747
 ] 

Manoj Govindassamy commented on HUDI-2593:
------------------------------------------

 

Virtual keys cannot be enabled for Metadata table as the KeyGenerator needed 
for virtual key generation doesn't differentiate between the user data or 
metadata tables and hence it always looks for the meta fields which metadata 
tables don't have. 

 
{code:java}

java.lang.IllegalArgumentException: Property 
hoodie.datasource.write.recordkey.field not found

        at 
org.apache.hudi.common.config.TypedProperties.checkKey(TypedProperties.java:48)
        at 
org.apache.hudi.common.config.TypedProperties.getString(TypedProperties.java:58)
        at 
org.apache.hudi.keygen.SimpleKeyGenerator.<init>(SimpleKeyGenerator.java:39)
        at 
org.apache.hudi.keygen.factory.HoodieSparkKeyGeneratorFactory.createKeyGeneratorByType(HoodieSparkKeyGeneratorFactory.java:78)
        at 
org.apache.hudi.keygen.factory.HoodieSparkKeyGeneratorFactory.createKeyGenerator(HoodieSparkKeyGeneratorFactory.java:57)
        at 
org.apache.hudi.table.action.commit.BaseSparkCommitActionExecutor.initKeyGenIfNeeded(BaseSparkCommitActionExecutor.java:107)
        at 
org.apache.hudi.table.action.commit.BaseSparkCommitActionExecutor.<init>(BaseSparkCommitActionExecutor.java:101)
        at 
org.apache.hudi.table.action.deltacommit.AbstractSparkDeltaCommitActionExecutor.<init>(AbstractSparkDeltaCommitActionExecutor.java:61)
        at 
org.apache.hudi.table.action.deltacommit.AbstractSparkDeltaCommitActionExecutor.<init>(AbstractSparkDeltaCommitActionExecutor.java:55)
        at 
org.apache.hudi.table.action.deltacommit.SparkUpsertPreppedDeltaCommitActionExecutor.<init>(SparkUpsertPreppedDeltaCommitActionExecutor.java:39)
        at 
org.apache.hudi.table.HoodieSparkMergeOnReadTable.upsertPrepped(HoodieSparkMergeOnReadTable.java:108)
        at 
org.apache.hudi.table.HoodieSparkMergeOnReadTable.upsertPrepped(HoodieSparkMergeOnReadTable.java:77)
        at 
org.apache.hudi.client.SparkRDDWriteClient.upsertPreppedRecords(SparkRDDWriteClient.java:176)
        at 
org.apache.hudi.metadata.SparkHoodieBackedTableMetadataWriter.commit(SparkHoodieBackedTableMetadataWriter.java:126)
        at 
org.apache.hudi.metadata.HoodieBackedTableMetadataWriter.processAndCommit(HoodieBackedTableMetadataWriter.java:531)
        at 
org.apache.hudi.metadata.HoodieBackedTableMetadataWriter.update(HoodieBackedTableMetadataWriter.java:543)
        at 
org.apache.hudi.metadata.HoodieBackedTableMetadataWriter.bootstrapFromFilesystem(HoodieBackedTableMetadataWriter.java:413)
        at 
org.apache.hudi.metadata.HoodieBackedTableMetadataWriter.bootstrapIfNeeded(HoodieBackedTableMetadataWriter.java:295)
        at 
org.apache.hudi.metadata.SparkHoodieBackedTableMetadataWriter.initialize(SparkHoodieBackedTableMetadataWriter.java:97)
        at 
org.apache.hudi.metadata.HoodieBackedTableMetadataWriter.<init>(HoodieBackedTableMetadataWriter.java:140)
        at 
org.apache.hudi.metadata.SparkHoodieBackedTableMetadataWriter.<init>(SparkHoodieBackedTableMetadataWriter.java:67)
        at 
org.apache.hudi.metadata.SparkHoodieBackedTableMetadataWriter.create(SparkHoodieBackedTableMetadataWriter.java:60)
        at 
org.apache.hudi.metadata.SparkHoodieBackedTableMetadataWriter.create(SparkHoodieBackedTableMetadataWriter.java:53)
        at 
org.apache.hudi.client.functional.TestHoodieMetadataBase.initWriteConfigAndMetatableWriter(TestHoodieMetadataBase.java:90)
        at 
org.apache.hudi.client.functional.TestHoodieMetadataBase.init(TestHoodieMetadataBase.java:84)
        at 
org.apache.hudi.client.functional.TestHoodieMetadataBase.init(TestHoodieMetadataBase.java:71)
        at 
org.apache.hudi.client.functional.TestHoodieBackedTableMetadata.testTableOperations(TestHoodieBackedTableMetadata.java:51)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)
        at 
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
        at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
        at 
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
        at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
        at 
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
        at 
org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
        at 
org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
        at 
org.junit.jupiter.engine.execution.InvocationInterceptorChain$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.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
        at 
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
        at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:212)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:208)
        at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:137)
        at 
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:71)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
        at 
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
        at java.util.ArrayList.forEach(ArrayList.java:1259)
        at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
        at 
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
        at java.util.ArrayList.forEach(ArrayList.java:1259)
        at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
        at 
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
        at 
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
        at 
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
        at 
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
        at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
        at 
org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
        at 
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
        at 
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:87)
        at 
org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:53)
        at 
org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:66)
        at 
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:51)
        at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:87)
        at 
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:66)
        at 
com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71)
        at 
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
        at 
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)
        at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54


{code}

> Enable virtual keys for metadata table
> --------------------------------------
>
>                 Key: HUDI-2593
>                 URL: https://issues.apache.org/jira/browse/HUDI-2593
>             Project: Apache Hudi
>          Issue Type: Sub-task
>          Components: Writer Core
>            Reporter: sivabalan narayanan
>            Assignee: Manoj Govindassamy
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 0.10.0
>
>




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