Fix compatibility with Java 8

log4j.spec

@@ -2,7 +2,7 @@
 
 Name:           log4j
 Version:        2.17.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Java logging package
 BuildArch:      noarch
 License:        ASL 2.0
@@ -206,6 +206,9 @@ rm -r log4j-core/src/main/java/org/apache/logging/log4j/core/appender/mom/kafka
 %pom_remove_dep -r :slf4j-ext
 %pom_remove_parent
 
+# Make compiled code compatible with OpenJDK 8
+%pom_xpath_inject 'pom:plugin[pom:artifactId="maven-compiler-plugin"]/pom:configuration' "<release>8</release>"
+
 %if %{with jp_minimal}
 %pom_disable_module %{name}-taglib
 %pom_disable_module %{name}-jmx-gui
@@ -289,6 +292,9 @@ rm -r log4j-1.2-api/src/main/java/org/apache/log4j/or/jms
 
 
 %changelog
+* Tue Apr 26 2022 Mikolaj Izdebski <mizdebsk@redhat.com> - 2.17.2-2
+- Fix compatibility with Java 8
+
 * Sun Feb 27 2022 Paul Wouters <paul.wouters@aiven.io> - 2.17.2-1
 - Resolves: rhbz#2058949 log4j-2.17.2 is available (1.2 bridge bugfixes)