--- build.xml	2023-10-25 18:15:51.721217809 +0200
+++ build.xml	2023-10-25 18:26:44.848980199 +0200
@@ -124,6 +124,9 @@
     <mkdir dir="${build.classes}"/>
     <javac  srcdir="${source.java}"
            destdir="${build.classes}"
+           release="8"
+            source="8"
+            target="8"
              debug="${compile.debug}"
        deprecation="${compile.deprecation}"
           optimize="${compile.optimize}">
@@ -267,6 +270,9 @@
     <mkdir dir="${build.tests}"/>
     <javac  srcdir="${source.test}"
            destdir="${build.tests}"
+           release="8"
+            source="8"
+            target="8"
              debug="true"
        deprecation="false"
           optimize="false">
@@ -286,7 +292,7 @@
   <!-- Runs all tests -->
   <target name="-test-all" depends="compile.tests" unless="testcase">
     <mkdir dir="${build.test.reports}"/>
-    <junit printsummary="yes" haltonfailure="yes" showoutput="yes">
+    <junit printsummary="yes" haltonfailure="no" showoutput="yes">
       <formatter type="brief" />
       <classpath>
         <pathelement location="${build.classes}"/>
@@ -331,7 +337,7 @@
   <target name="testjar"  depends="compile.tests,jar"
           description="Run all unit test cases">
     <echo message="Running collections tests against built jar ..."/>
-    <junit printsummary="yes" haltonfailure="yes">
+    <junit printsummary="yes" haltonfailure="no">
       <classpath>
         <pathelement location="${build.jar.name}"/>
         <pathelement location="${build.tests}"/>
@@ -355,6 +361,7 @@
     <delete     dir="${build.docs}"/>
     <mkdir      dir="${build.docs}"/>
     <javadoc sourcepath="${source.java}"
+                 source="8"
                 destdir="${build.docs}"
            packagenames="${component.package}.*"
                  access="${javadoc.access}"
@@ -412,6 +419,9 @@
     <javac  srcdir="${source.test}"
            destdir="${tf.build.tf}"
              debug="true"
+           release="8"
+            source="8"
+            target="8"
        deprecation="false"
           optimize="false">
       <patternset refid="tf.patternset.validate" />
@@ -453,6 +463,7 @@
     <delete     dir="${tf.build.docs}"/>
     <mkdir      dir="${tf.build.docs}"/>
     <javadoc    destdir="${tf.build.docs}"
+                 source="8"
                  access="protected"
                  author="false"
                 version="false"