My Oracle Support Banner

When attempting to configure a watch Rule Expression Invalid message appears on screen (Doc ID 1610122.1)

Last updated on JUNE 10, 2022

Applies to:

Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.


Whenever a watch rule is created on WLDF, if the threshold value overpasses 2GB transformed to bytes (2147483648), the following error appears on both console and log file:

On Screen you will see:

On Log:

To replicate it, log into Weblogic Server Admin console and go to:

In this case it'll be replicated by creating a watch rule for heap current size. Say that I want to monitor whenever the heap goes above 2 GB > 2048 MB > 2147483648 bytes

Name: MyWatch
Watch Type: Collected Metrics

(${ServerRuntime//[]com.bea:Name=AdminServer,ServerRuntime=AdminServer,Type=JVMRuntime//HeapFreeCurrent} < 2147483648)


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.