Switch Java compiler source/target to 1.8

Resolves: RHEL-52708

xz-java.spec

@@ -5,11 +5,11 @@ Version:        1.9
 Release:        10%{?dist}
 Summary:        Java implementation of XZ data compression
 License:        LicenseRef-Fedora-Public-Domain
-URL:            http://tukaani.org/xz/java.html
+URL:            https://tukaani.org/xz/java.html
 BuildArch:      noarch
 ExclusiveArch:  %{java_arches} noarch
 
-Source0:        http://tukaani.org/xz/xz-java-%{version}.zip
+Source0:        https://tukaani.org/xz/xz-java-%{version}.zip
 
 %if %{with bootstrap}
 BuildRequires:  javapackages-bootstrap
@@ -42,7 +42,7 @@ This package contains the API documentation for %{name}.
 # package-list from oracle.com. Create a dummy package-list to prevent that.
 mkdir -p extdoc && touch extdoc/package-list
 
-%ant maven
+%ant -Dsourcever=8 maven
 
 %install
 %mvn_artifact build/maven/xz-%{version}.pom build/jar/xz.jar
@@ -57,6 +57,10 @@ mkdir -p extdoc && touch extdoc/package-list
 %license COPYING
 
 %changelog
+* Mon Aug 05 2024 Mikolaj Izdebski <mizdebsk@redhat.com> - 1.9-10
+- Switch Java compiler source/target to 1.8
+- Resolves: RHEL-52708
+
 * Thu Aug 01 2024 Troy Dawson <tdawson@redhat.com> - 1.9-10
 - Bump release for Aug 2024 java mass rebuild