replace throw with warn

__tests__/cache-utils.test.ts

@@ -46,7 +46,8 @@ describe('cache-utils', () => {
     isFeatureAvailable.mockImplementation(() => false);
     process.env['GITHUB_SERVER_URL'] = 'https://www.test.com';
 
-    expect(() => isCacheFeatureAvailable()).toThrowError(
+    expect(isCacheFeatureAvailable()).toBeFalsy();
+    expect(warningSpy).toHaveBeenCalledWith(
       'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
     );
   });

__tests__/installer.test.ts

@@ -728,8 +728,9 @@ describe('setup-node', () => {
 
       await main.run();
 
-      expect(cnSpy).toHaveBeenCalledWith(
-        `::error::Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.${osm.EOL}`
+      expect(warningSpy).toHaveBeenCalledWith(
+        //  `::error::Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.${osm.EOL}`
+        'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
       );
     });
 

dist/cache-save/index.js

@@ -61187,8 +61187,10 @@ exports.isGhes = isGhes;
 function isCacheFeatureAvailable() {
     if (cache.isFeatureAvailable())
         return true;
-    if (isGhes())
-        throw new Error('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.');
+    if (isGhes()) {
+        core.warning('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.');
+        return false;
+    }
     core.warning('The runner was not able to contact the cache service. Caching will be skipped');
     return false;
 }

dist/setup/index.js

@@ -73141,8 +73141,10 @@ exports.isGhes = isGhes;
 function isCacheFeatureAvailable() {
     if (cache.isFeatureAvailable())
         return true;
-    if (isGhes())
-        throw new Error('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.');
+    if (isGhes()) {
+        core.warning('Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.');
+        return false;
+    }
     core.warning('The runner was not able to contact the cache service. Caching will be skipped');
     return false;
 }

src/cache-utils.ts

@@ -107,10 +107,12 @@ export function isGhes(): boolean {
 export function isCacheFeatureAvailable(): boolean {
   if (cache.isFeatureAvailable()) return true;
 
-  if (isGhes())
-    throw new Error(
+  if (isGhes()) {
+    core.warning(
       'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
     );
+    return false;
+  }
 
   core.warning(
     'The runner was not able to contact the cache service. Caching will be skipped'