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8215165: Improve -Xlog:class+preview message text

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Fix up the logging message.

Reviewed-by: acorn, lfoltan
This commit is contained in:
Harold Seigel 2018-12-11 10:29:08 -05:00
parent 019a097385
commit b564c0c1a9
2 changed files with 3 additions and 2 deletions
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3
src/hotspot/share/classfile/classFileParser.cpp
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@ -5733,7 +5733,8 @@ void ClassFileParser::fill_instance_klass(InstanceKlass* ik, bool changed_by_loa
ik->major_version() != JAVA_MIN_SUPPORTED_VERSION &&
log_is_enabled(Info, class, preview)) {
ResourceMark rm;
log_info(class, preview)("Loading preview feature type %s", ik->external_name());
log_info(class, preview)("Loading class %s that depends on preview features (class file version %d.65535)",
ik->external_name(), ik->major_version());
}
if (log_is_enabled(Debug, class, resolve)) {

2
test/hotspot/jtreg/runtime/ClassFile/PreviewVersion.java
View File

@ -69,7 +69,7 @@ public class PreviewVersion {
pb = ProcessTools.createJavaProcessBuilder("--enable-preview", "-Xlog:class+preview",
"-cp", "." + File.pathSeparator + System.getProperty("test.classes"), "PVTest");
oa = new OutputAnalyzer(pb.start());
oa.shouldContain("[info][class,preview] Loading preview feature type PVTest");
oa.shouldContain("[info][class,preview] Loading class PVTest that depends on preview features");
// Subtract 1 from class's major version. The class should fail to load
// because its major_version does not match the JVM current version.