Build Fails with specific Android Build Tools

I've been struggling for several days now to get unity cloud build to work with my custom gradle file. I submitted a support ticket but they weren't able to help.
Does anyone here have any ideas?

AFAIK I need to use Build Tools 27.0.3 and gradle 2.3.0 or it wont build.

I just get this error with no explanation:

Code (csharp):

1. EXCEPTION: FileNotFoundException: Temp/gradleOut/build/outputs/apk/release/gradleOut-release.apk does not exist

Code (csharp):

1. // GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN
2.  
3. buildscript {
4.     repositories {
5.         jcenter()
6.     }
7.  
8.     dependencies {
9.         classpath 'com.android.tools.build:gradle:2.3.0'
10.     }
11. }
12.  
13. allprojects {
14.     repositories {
15.           flatDir {
16.         dirs 'libs'
17.       }
18.  
19.         maven {
20.             url 'https://wearnotch.com/maven/notch/'
21.             credentials {
22.                 username '***'
23.                 password '***'
24.             }
25.         }
26.  
27.         google()
28.         mavenCentral()
29.     }
30. }
31.  
32. apply plugin: 'com.android.application'
33.  
34. dependencies {
35.     compile fileTree(dir: 'libs', include: ['*.jar'])
36.  
37.     compile 'com.notch.sdk:sdk-android:1.1.330'
38. **DEPS**}
39.  
40. android {
41.     compileSdkVersion **APIVERSION**
42.     buildToolsVersion '27.0.3'//'**BUILDTOOLS**'
43.  
44.     defaultConfig {
45.         targetSdkVersion **TARGETSDKVERSION**
46.         applicationId '**APPLICATIONID**'
47.  
48.        
49.         jackOptions {
50.             enabled true
51.         }
52.     }
53.  
54.    
55.     packagingOptions {
56.         exclude 'lib/x86_64/libnotchcore.so'
57.         exclude 'lib/x86_64/libnotchcore-android.so'
58.         exclude 'lib/arm64-v8a/libnotchcore.so'
59.         exclude 'lib/arm64-v8a/libnotchcore-android.so'
60.         exclude 'lib/arm64-v8a/libarpresto_api.so'
61.         exclude 'lib/arm64-v8a/libarcore_unity_api.so'
62.         exclude 'lib/arm64-v8a/libarcore_sdk_jni.so'
63.         exclude 'lib/arm64-v8a/libarcore_sdk_c.so'
64.     }
65.  
66.     compileOptions {
67.         sourceCompatibility JavaVersion.VERSION_1_8
68.         targetCompatibility JavaVersion.VERSION_1_8
69.     }
70.  
71.     lintOptions {
72.         abortOnError false
73.     }
74.  
75.     aaptOptions {
76.         noCompress '.unity3d', '.ress', '.resource', '.obb'**STREAMING_ASSETS**
77.     }
78.  
79. **SIGN**
80.     buildTypes {
81.           debug {
82.              minifyEnabled **MINIFY_DEBUG**
83.              useProguard **PROGUARD_DEBUG**
84.              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD**
85.               jniDebuggable true
86.           }
87.           release {
88.              minifyEnabled **MINIFY_RELEASE**
89.              useProguard **PROGUARD_RELEASE**
90.               proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD**
91.               **SIGNCONFIG**
92.           }
93.     }
94.  
95. }
96.  

 

Hi @ollieblanks sure.

I managed to resolve this issue by setting the specific version of Unity. In my case 2017.3.0f3 rather than choosing 2017 Latest.
This is potentially a good solution to other unexpected build failures, as I seem to recall fixing another project with the same solution.