ramanathan1504 commented on issue #2726:
URL:
https://github.com/apache/logging-log4j2/issues/2726#issuecomment-3172311509
You’re correct that previously this lookup was undocumented and didn’t
function as intended.
This PR fixes that by:
- Registering the `jvmrunargs` lookup in the `Interpolator`, enabling
retrieval of JVM runtime arguments via `${jvmrunargs:...}` expressions.
- Adding `JvmRunArgsLookupTest` and `JvmRunArgsIntegrationTest` (with a
sample `log4j2-test.xml`) to verify correct registration and behavior in both
null and non-null cases.
- Manually verifying the lookup now returns JVM runtime arguments:
```java
StrLookup lookup = new Interpolator();
System.out.println(lookup.lookup("jvmrunargs:0")); // e.g.
"-DexampleArg=value"
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