carterkozak commented on a change in pull request #732:
URL: https://github.com/apache/logging-log4j2/pull/732#discussion_r801118459
##########
File path:
log4j-core/src/main/java/org/apache/logging/log4j/core/config/PropertiesPlugin.java
##########
@@ -45,15 +47,62 @@ private PropertiesPlugin() {
@PluginFactory
public static StrLookup configureSubstitutor(@PluginElement("Properties")
final Property[] properties,
@PluginConfiguration final
Configuration config) {
- if (properties == null) {
- return new Interpolator(config.getProperties());
+ // For backwards compatibility, we unescape all escaped lookups when
properties are parsed.
+ // This matches previous behavior for escaped components which were
meant to be executed later on.
+ Property[] escapedProperties = new Property[properties == null ? 0 :
properties.length];
Review comment:
```suggestion
Property[] unescapedProperties = new Property[properties == null ? 0
: properties.length];
```
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