The following rule evaluation will fail eventually after several iterations from the same rulebase.

...
when
A(name == "amount", value > "5000")
then
...

The rule execution starts to fail after 20 iterations. The rule works fine if stated like this:

...
when
A(name == "amount", value > 5000)
then
...

A test project showing the problem will be provided. This issue may be related to JBRULES-2898