Adjust error for container creation.

When an action is already updated but activations with an old revision arrive, this error can happen.
It is not supposed to happen in a normal case but it might happen when a cache invalidation issue happens for some reason.

Author: style95

core/invoker/src/main/scala/org/apache/openwhisk/core/invoker/ContainerMessageConsumer.scala

@@ -17,24 +17,18 @@
 
 package org.apache.openwhisk.core.invoker
 
-import java.nio.charset.StandardCharsets
-
 import akka.actor.{ActorRef, ActorSystem, Props}
 import org.apache.openwhisk.common.{GracefulShutdown, Logging, TransactionId}
 import org.apache.openwhisk.core.WarmUp.isWarmUpAction
 import org.apache.openwhisk.core.WhiskConfig
 import org.apache.openwhisk.core.connector.ContainerCreationError.DBFetchError
 import org.apache.openwhisk.core.connector._
 import org.apache.openwhisk.core.containerpool.v2.{CreationContainer, DeletionContainer}
-import org.apache.openwhisk.core.database.{
-  ArtifactStore,
-  DocumentTypeMismatchException,
-  DocumentUnreadable,
-  NoDocumentException
-}
+import org.apache.openwhisk.core.database.{ArtifactStore, DocumentRevisionMismatchException, NoDocumentException}
 import org.apache.openwhisk.core.entity._
 import org.apache.openwhisk.http.Messages
 
+import java.nio.charset.StandardCharsets
 import scala.concurrent.duration._
 import scala.concurrent.{ExecutionContext, Future}
 import scala.util.{Failure, Success}
@@ -80,10 +74,12 @@ class ContainerMessageConsumer(
               val message = t match {
                 case _: NoDocumentException =>
                   Messages.actionRemovedWhileInvoking
-                case _: DocumentTypeMismatchException | _: DocumentUnreadable =>
+                case _: DocumentRevisionMismatchException =>
                   Messages.actionMismatchWhileInvoking
                 case e: Throwable =>
-                  logging.error(this, s"An unknown DB connection error occurred while fetching an action: $e.")
+                  logging.error(
+                    this,
+                    s"An unknown DB error occurred while fetching action ${creation.invocationNamespace}/${creation.action} for creation ${creation.creationId}, error: $e.")
                   Messages.actionFetchErrorWhileInvoking
               }
               logging.error(

tests/src/test/scala/org/apache/openwhisk/core/invoker/test/ContainerMessageConsumerTests.scala

@@ -17,13 +17,10 @@
 
 package org.apache.openwhisk.core.invoker.test
 
-import java.nio.charset.StandardCharsets
-
 import akka.actor.ActorSystem
 import akka.testkit.{TestKit, TestProbe}
 import common.StreamLogging
 import org.apache.openwhisk.common.{Logging, TransactionId}
-import org.apache.openwhisk.core.{WarmUp, WhiskConfig}
 import org.apache.openwhisk.core.connector.ContainerCreationError._
 import org.apache.openwhisk.core.connector._
 import org.apache.openwhisk.core.connector.test.TestConnector
@@ -34,13 +31,15 @@ import org.apache.openwhisk.core.entity._
 import org.apache.openwhisk.core.entity.size._
 import org.apache.openwhisk.core.entity.test.ExecHelpers
 import org.apache.openwhisk.core.invoker.ContainerMessageConsumer
+import org.apache.openwhisk.core.{WarmUp, WhiskConfig}
 import org.apache.openwhisk.http.Messages
 import org.apache.openwhisk.utils.{retry => utilRetry}
 import org.junit.runner.RunWith
 import org.scalamock.scalatest.MockFactory
 import org.scalatest.junit.JUnitRunner
 import org.scalatest.{BeforeAndAfterAll, BeforeAndAfterEach, FlatSpecLike, Matchers}
 
+import java.nio.charset.StandardCharsets
 import scala.concurrent.Future
 import scala.concurrent.duration._
 import scala.util.Try
@@ -254,7 +253,7 @@ class ContainerMessageConsumerTests
     put(entityStore, whiskAction)
     val actualCreationMessage = creationMessage.copy(revision = DocRevision("1-fake"))
     val fetchErrorAckMessage =
-      createAckMsg(actualCreationMessage, Some(DBFetchError), Some(Messages.actionFetchErrorWhileInvoking))
+      createAckMsg(actualCreationMessage, Some(DBFetchError), Some(Messages.actionMismatchWhileInvoking))
     creationConsumer.send(actualCreationMessage)
 
     within(5.seconds) {