src/hotspot/share/interpreter/linkResolver.cpp

*** 586,603 ****
                                         resolved_klass,
                                         sel_klass,
                                         flags,
                                         true)) {
      ResourceMark rm(THREAD);
      Exceptions::fthrow(
        THREAD_AND_LOCATION,
        vmSymbols::java_lang_IllegalAccessError(),
!       "tried to access method %s.%s%s from class %s",
        sel_klass->external_name(),
        sel_method->name()->as_C_string(),
        sel_method->signature()->as_C_string(),
!       ref_klass->external_name()
      );
      return;
    }
  }
  
--- 586,607 ----
                                         resolved_klass,
                                         sel_klass,
                                         flags,
                                         true)) {
      ResourceMark rm(THREAD);
+     bool same_module = (sel_klass->module() == ref_klass->module());
      Exceptions::fthrow(
        THREAD_AND_LOCATION,
        vmSymbols::java_lang_IllegalAccessError(),
!       "class %s tried to access method %s.%s%s (%s%s%s)",
!       ref_klass->external_name(),
        sel_klass->external_name(),
        sel_method->name()->as_C_string(),
        sel_method->signature()->as_C_string(),
!       (same_module) ? ref_klass->joint_in_module_of_loader(sel_klass) : ref_klass->class_in_module_of_loader(),
!       (same_module) ? "" : "; ",
!       (same_module) ? "" : sel_klass->class_in_module_of_loader()
      );
      return;
    }
  }