`azurerm_function_app_function` - Java function throws ClassNotFoundException for HTTP Trigger with code upload

[mateustanaka]

Is there an existing issue for this?

• [X] I have searched the existing issues

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Terraform Version

1.1.0

AzureRM Provider Version

3.0.2

Affected Resource(s)/Data Source(s)

azurerm_function_app_function

Terraform Configuration Files

resource "azurerm_function_app_function" "default" {
  name            = "MyAzureFunction"
  function_app_id = azurerm_linux_function_app.default.id
  language        = "Java"

  file {
    name    = "my-java-app-1.0-SNAPSHOT.jar"
    content = filebase64("my-java-app-1.0-SNAPSHOT.jar")
  }

  config_json = jsonencode({
    "scriptFile" : "my-java-app-1.0-SNAPSHOT.jar",
    "entryPoint" : "com.mypackage.MyClass.runEvent",
    "bindings" : [
      {
        "type" : "eventGridTrigger",
        "direction" : "in",
        "name" : "eventGridEvent"
      }
    ]
  })
}

Debug Output/Panic Output

Result: Failure Exception: ClassNotFoundException: com.mypackage.MyClass Stack: java.lang.ClassNotFoundException: com.mypackage.MyClass
java.base/java.net.URLClassLoader.findClass(Unknown Source)
java.base/java.lang.ClassLoader.loadClass(Unknown Source)
java.base/java.lang.ClassLoader.loadClass(Unknown Source)
java.base/java.lang.Class.forName0(Native Method)
java.base/java.lang.Class.forName(Unknown Source)
com.microsoft.azure.functions.worker.broker.EnhancedJavaMethodExecutorImpl.getContainingClass(EnhancedJavaMethodExecutorImpl.java:63)
com.microsoft.azure.functions.worker.broker.EnhancedJavaMethodExecutorImpl.<init>(EnhancedJavaMethodExecutorImpl.java:22)
com.microsoft.azure.functions.worker.broker.FactoryJavaMethodExecutor.getJavaMethodExecutor(FactoryJavaMethodExecutor.java:20)
com.microsoft.azure.functions.worker.broker.JavaFunctionBroker.loadMethod(JavaFunctionBroker.java:35)
com.microsoft.azure.functions.worker.handler.FunctionLoadRequestHandler.execute(FunctionLoadRequestHandler.java:27)
com.microsoft.azure.functions.worker.handler.FunctionLoadRequestHandler.execute(FunctionLoadRequestHandler.java:9)
com.microsoft.azure.functions.worker.handler.MessageHandler.handle(MessageHandler.java:45)
com.microsoft.azure.functions.worker.JavaWorkerClient$StreamingMessagePeer.lambda$onNext$0(JavaWorkerClient.java:92)
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
java.base/java.util.concurrent.FutureTask.run(Unknown Source)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
java.base/java.lang.Thread.run(Unknown Source)

Expected Behaviour

Azure Java Function code executed and message processed

Actual Behaviour

Result: Failure Exception: ClassNotFoundException: com.mypackage.MyClass

Steps to Reproduce

No response

Important Factoids

No response

References

https://registry.terraform.io/providers/hashicorp/azurerm/3.0.2/docs/resources/function_app_function#example-usage---http-trigger-with-code-upload

[rcskosir]

Thanks for opening this issue. Have you been able to try this on any of the more recent 3.x versions or on the new 4.x versions to see if this issue still persists?

[sunilr8]

@rcskosir i am running in to the same issue, using 4.3.0 version