8235490: AppCDS DynamicArchiveRelocationTest.java failed: 'always map archive(s) at an alternative address' missing

Reviewed-by: coleenp, ccheung

Author: iklam

src/hotspot/share/memory/metaspaceShared.cpp

@@ -2052,6 +2052,7 @@ void MetaspaceShared::initialize_runtime_shared_and_meta_spaces() {
     if (result == MAP_ARCHIVE_MMAP_FAILURE) {
       // Mapping has failed (probably due to ASLR). Let's map at an address chosen
       // by the OS.
+      log_info(cds)("Try to map archive(s) at an alternative address");
       result = map_archives(static_mapinfo, dynamic_mapinfo, false);
     }
   }

test/hotspot/jtreg/runtime/cds/appcds/ArchiveRelocationTest.java

@@ -80,7 +80,7 @@ static void test(boolean dump_reloc, boolean run_reloc) throws Exception {
         TestCommon.run("-cp", appJar, unlockArg, runRelocArg, logArg,  mainClass)
             .assertNormalExit(output -> {
                     if (run_reloc) {
-                        output.shouldContain("ArchiveRelocationMode == 1: always map archive(s) at an alternative address");
+                        output.shouldContain("Try to map archive(s) at an alternative address");
                     }
                 });
     }

test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/DynamicArchiveRelocationTest.java

@@ -88,7 +88,7 @@ static void doTest() throws Exception {
         String baseArchiveName = getNewArchiveName("base");
         String topArchiveName  = getNewArchiveName("top");
 
-        String runtimeMsg = "ArchiveRelocationMode == 1: always map archive(s) at an alternative address";
+        String runtimeMsg = "Try to map archive(s) at an alternative address";
         String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
 
         // (1) Dump base archive (static)