8359423: Improve error message in case of missing jsa shared archive

Reviewed-by: mdoerr, asteiner, eastigeevich

Author: MBaesken

src/hotspot/share/cds/aotMetaspace.cpp

@@ -1296,7 +1296,7 @@ void AOTMetaspace::unrecoverable_loading_error(const char* message) {
   } else if (CDSConfig::new_aot_flags_used()) {
     vm_exit_during_initialization("Unable to use AOT cache.", nullptr);
   } else {
-    vm_exit_during_initialization("Unable to use shared archive.", nullptr);
+    vm_exit_during_initialization("Unable to use shared archive. Unrecoverable archive loading error (run with -Xlog:aot,cds for details)", message);
   }
 }
 
@@ -1424,6 +1424,7 @@ FileMapInfo* AOTMetaspace::open_static_archive() {
   FileMapInfo* mapinfo = new FileMapInfo(static_archive, true);
   if (!mapinfo->open_as_input()) {
     delete(mapinfo);
+    log_info(cds)("Opening of static archive %s failed", static_archive);
     return nullptr;
   }
   return mapinfo;