8339769: Incorrect error message during startup if working directory does not exist

Backport-of: 65b9abaa29eb9fe801b650ce787d98c31770a5dc

Author: GoeLin

src/java.base/unix/native/libjava/java_props_md.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -521,11 +521,14 @@ GetJavaProperties(JNIEnv *env)
     {
         char buf[MAXPATHLEN];
         errno = 0;
-        if (getcwd(buf, sizeof(buf))  == NULL)
+        if (getcwd(buf, sizeof(buf)) == NULL) {
             JNU_ThrowByName(env, "java/lang/Error",
-             "Properties init: Could not determine current working directory.");
-        else
+            "Properties init: Could not determine current working directory.");
+            return NULL;
+        }
+        else {
             sprops.user_dir = strdup(buf);
+        }
     }
 
     sprops.file_separator = "/";