Review Java versions

[TWiStErRob]

4.2.2 is on 11, 7.0 is on 11, yet BaseJavaPlugin configures 7

[TWiStErRob]

Index: plugin/src/main/kotlin/net/twisterrob/gradle/java/BaseJavaPlugin.kt
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/plugin/src/main/kotlin/net/twisterrob/gradle/java/BaseJavaPlugin.kt b/plugin/src/main/kotlin/net/twisterrob/gradle/java/BaseJavaPlugin.kt
--- a/plugin/src/main/kotlin/net/twisterrob/gradle/java/BaseJavaPlugin.kt	(revision 6228f83a440f2a3ee645e8a5291526249baf5507)
+++ b/plugin/src/main/kotlin/net/twisterrob/gradle/java/BaseJavaPlugin.kt	(date 1635792670324)
@@ -91,13 +91,14 @@
 	}
 	if (!rt.exists()) {
 		logger.warn(
-			"Java Compatibility: javac needs a bootclasspath, "
+			"Java Compatibility of $this: javac needs a bootclasspath, "
 					+ "but no jre/lib/rt.jar or lib/rt.jar found in $envVar (=$root).\n"
-					+ "Make sure $envVar is set to a distribution of JDK ${compileVersion.majorVersion}."
+					+ "Make sure $envVar is set to a distribution of JDK ${compileVersion.majorVersion}. "
+					+ "Gradle build is running on Java ${JavaVersion.current()} (${System.getProperty("java.version")}) from ${System.getProperty("java.home")}."
 		)
 		return
 	}
-	logger.info("Java Compatibility: using rt.jar from $rt")
+	logger.info("Java Compatibility of $this: using rt.jar from $rt")
 	options.bootstrapClasspath = project.files(rt.absolutePath)
 }
 
@@ -106,7 +107,7 @@
 	val origT = targetCompatibility
 	sourceCompatibility = ver.toString()
 	targetCompatibility = ver.toString()
-	logger.info("Changed compatibility ${origS}/${origT} to ${ver}/${ver}")
+	logger.info("Changed compatibility of $this: ${origS}/${origT} to ${ver}/${ver}")
 }
 
 /**
Index: plugin/src/test/kotlin/net/twisterrob/gradle/java/JavaPluginIntgTest.kt
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/plugin/src/test/kotlin/net/twisterrob/gradle/java/JavaPluginIntgTest.kt b/plugin/src/test/kotlin/net/twisterrob/gradle/java/JavaPluginIntgTest.kt
--- a/plugin/src/test/kotlin/net/twisterrob/gradle/java/JavaPluginIntgTest.kt	(revision 6228f83a440f2a3ee645e8a5291526249baf5507)
+++ b/plugin/src/test/kotlin/net/twisterrob/gradle/java/JavaPluginIntgTest.kt	(date 1635793265757)
@@ -245,6 +245,6 @@
 		result.assertSuccess(":compileDebugUnitTestJavaWithJavac")
 		result.assertSuccess(":compileDebugAndroidTestJavaWithJavac")
 		result.assertNoOutputLine(""".*bootstrap class path not set in conjunction with.*""".toRegex())
-		result.assertNoOutputLine(""".*Java Compatibility: javac needs a bootclasspath.*""".toRegex())
+		result.assertNoOutputLine(""".*Java Compatibility.*: javac needs a bootclasspath.*""".toRegex())
 	}
 }

[TWiStErRob]

This code was removed in #370