Log a more helpful message when network is not accessible.

core/src/main/kotlin/androidx/build/gradle/core/NetworkErrorInterceptor.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package androidx.build.gradle.core
+
+import okhttp3.Interceptor
+import okhttp3.Response
+import org.gradle.api.GradleException
+import java.io.IOException
+
+class NetworkErrorInterceptor : Interceptor{
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        return try {
+            chain.proceed(request)
+        } catch (ex: IOException) {
+            throw GradleException("There seems to be some issue with the network access. " +
+                    "Please use --offline with your gradle commands to continue working " +
+                    "without accessing network resources.")
+        }
+    }
+}

core/src/main/kotlin/androidx/build/gradle/core/TokenInfo.kt

@@ -19,6 +19,7 @@ package androidx.build.gradle.core
 
 import com.google.gson.Gson
 import com.google.gson.GsonBuilder
+import okhttp3.OkHttpClient
 import retrofit2.Call
 import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
@@ -37,9 +38,15 @@ interface TokenInfoService {
 
     companion object {
         fun tokenService(): TokenInfoService {
+            val httpClient = OkHttpClient
+                .Builder()
+                .addInterceptor(NetworkErrorInterceptor())
+                .build()
+
             val retrofit = Retrofit.Builder()
                 .baseUrl("https://www.googleapis.com")
                 .addConverterFactory(GsonConverterFactory.create(gson()))
+                .client(httpClient)
                 .build()
 
             return retrofit.create()

gcpbuildcache/build.gradle.kts

@@ -58,7 +58,7 @@ gradlePlugin {
 }
 
 group = "androidx.build.gradle.gcpbuildcache"
-version = "1.0.0-beta09"
+version = "1.0.0-beta10"
 
 testing {
     suites {