# About the Help/Discuss category

**URL:** <https://discuss.gradle.org/t/about-the-help-discuss-category/72>\
**Category:** Help/Discuss\
**Created:** [March 10, 2015, 7:50pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72 "2015-03-10T19:50:49Z")\
**Posts on this page:** 20\
**Page:** 1

<div class="post-metadata">

**Author:** ![Rene](https://sea1.discourse-cdn.com/gradle/user_avatar/discuss.gradle.org/rene/32/8082_2.png) [@Rene](https://discuss.gradle.org/u/Rene)\
**Post date:** [March 10, 2015, 7:50pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/1 "2015-03-10T19:50:49Z")

</div>

This category should be used when seeking clarification on how something should be done. If something is not working as expected and you believe it to be in error, please open an issue on [GitHub](https://blog.gradle.org/github-issues).

If you are asking how to do something, it’s a good idea to include _why_ you want to do it. Including the _why_ may lead to a new idea that is better and also often makes it easier to give the _how_.

Be sure to check the documentation before asking your question. If possible, indicate where you looked for the answer to your question so the documentation can be improved.

Also consider to share a [Gradle Build Scan](https://scans.gradle.com) to provide detailed insights about your build. This allows a very easy collaboration with other forum users to optimize your build.

---

<div class="post-metadata">

**Author:** ![dinesh-opg](https://avatars.discourse-cdn.com/v4/letter/d/a6a055/32.png) [@dinesh-opg](https://discuss.gradle.org/u/dinesh-opg)\
**Post date:** [April 16, 2018, 9:31am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/3 "2018-04-16T09:31:33Z")

</div>

> [@Rene](#):
>
> If you are asking how to do something, it’s a good idea to include why you want to do it. Including the why may lead to a new idea that is better and also often makes it easier to give the how.

Hi I am using the android studio and i have build issue when trying to generate the signed apk file.  
I am using a library named htmlunit-2.15 and i getting this issue  
Unexpected error while performing partial evaluation:  
Class = [com/gargoylesoftware/htmlunit/activex/javascript/msxml/MSXMLScriptable]  
Method = [makeScriptableFor(Lcom/gargoylesoftware/htmlunit/html/DomNode;)Lcom/gargoylesoftware/htmlunit/javascript/SimpleScriptable;]  
Exception = [java.lang.IllegalArgumentException] (Can’t find common super class of [com/gargoylesoftware/htmlunit/activex/javascript/msxml/MSXMLScriptable] (with 2 known super classes) and [java/lang/Class] (with 2 known super classes))  
Unexpected error while preverifying:  
Class = [com/gargoylesoftware/htmlunit/activex/javascript/msxml/MSXMLScriptable]  
Method = [makeScriptableFor(Lcom/gargoylesoftware/htmlunit/html/DomNode;)Lcom/gargoylesoftware/htmlunit/javascript/SimpleScriptable;]  
Exception = [java.lang.IllegalArgumentException] (Can’t find common super class of [com/gargoylesoftware/htmlunit/activex/javascript/msxml/MSXMLScriptable] (with 2 known super classes) and [java/lang/Class] (with 2 known super classes))

Can anyone help me in fixing this issue.

---

<div class="post-metadata">

**Author:** ![dinesh-opg](https://avatars.discourse-cdn.com/v4/letter/d/a6a055/32.png) [@dinesh-opg](https://discuss.gradle.org/u/dinesh-opg)\
**Post date:** [April 16, 2018, 9:32am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/4 "2018-04-16T09:32:14Z")

</div>

> [@dinesh-opg](#):
>
> If you are asking how to do something, it’s a good idea to include why you want to do it. Including the why may lead to a new idea that is better and also often makes it easier to give the how.

I indeed want to generate the signed apk file but not able to generate that one

---

<div class="post-metadata">

**Author:** ![Ndawat](https://avatars.discourse-cdn.com/v4/letter/n/35a633/32.png) [@Ndawat](https://discuss.gradle.org/u/Ndawat)\
**Post date:** [August 13, 2019, 9:32am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/5 "2019-08-13T09:32:27Z")

</div>

Hi,  
I feel so lost. I have downloaded Android Studio just yesterday and have two problems.

1. I try to get the Hello World App to run. I have no previous Android Studio experience.  
I don’t know if I have to change settings or if something is installed at the incorrect place.  
I get the following in the Run Window when I try to run it:  
10:57:57 AM: Executing task…

> Task :help

Welcome to Gradle 5.1.1.

To run a build, run gradle …

To see a list of available tasks, run gradle tasks

To see a list of command-line options, run gradle --help

To see more detail about a task, run gradle help --task

For troubleshooting, visit [https://help.gradle.org](https://help.gradle.org)

BUILD SUCCESSFUL in 45s  
1 actionable task: 1 executed  
10:59:04 AM: Task execution finished.

Sorry if this is a dumb question, but I am so new to this, I really don’t know what I should do.

1. My second problem is that when I go to File\>New\>New Project one gets the Create New Project window, usually with options, but mine is empty, I can’t choose any Project:  
 ![image](https://global.discourse-cdn.com/gradle/original/2X/c/c161d2733e7bbcf751bdae8fdb3eb1ea11dc8c0f.png)  
This worked fine when I initially installed Android Studio yesterday, but while trying to figure out the problem I had then with trying to run, I came across a I think it was on Stack Overflow where someone suggested one deleting everything in the gradle wrapper folder and restarting the Android Studio then it downloads automatically, I no longer get the error message I got then while trying to run the Hello World App.

I would really appreciate if someone can lead me in the right direction to sort these two problems.  
Thanking you in advance.

---

<div class="post-metadata">

**Author:** ![Bbw](https://avatars.discourse-cdn.com/v4/letter/b/ce7236/32.png) [@Bbw](https://discuss.gradle.org/u/Bbw)\
**Post date:** [November 15, 2019, 3:29pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/6 "2019-11-15T15:29:38Z")

</div>

Please kindly assist I’m new programming and I have been having build issue which I don’t know how to resolve…please kindly assist as I can’t run the program on the avd…below is the error

what went wrong:execution failed for task’:app:compiledebugrenderscript’.\>11vm-rs-cc is missing

---

<div class="post-metadata">

**Author:** ![Livio](https://avatars.discourse-cdn.com/v4/letter/l/f07891/32.png) [@Livio](https://discuss.gradle.org/u/Livio)\
**Post date:** [January 24, 2020, 10:50pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/7 "2020-01-24T22:50:58Z")

</div>

I have installed gradle 5.5 but when trying to star a build it command prompt says this:

> Configure project :  
> Fabric Loom: 0.2.6-SNAPSHOT Build(jenkins #31)  
> :setting up loom dependencies

FAILURE: Build failed with an exception.

- Where:  
Build file ‘C:\Users\Me\Desktop\Lithium-1.14.x-fabric\build.gradle’ line: 4

- What went wrong:  
An exception occurred applying plugin request [id: ‘me.champeau.gradle.jmh’, version: ‘0.5.0’]

> Failed to apply plugin [id ‘me.champeau.gradle.jmh’]  
> This version of the JMH Gradle plugin requires Gradle 5.5+. Please upgrade Gradle or use an older version of the plugin.

- Try:  
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

- Get more help at [https://help.gradle.org](https://help.gradle.org)

BUILD FAILED in 1m 32s

Do you know how to solve this?

---

<div class="post-metadata">

**Author:** ![Mikeybro](https://avatars.discourse-cdn.com/v4/letter/m/85f322/32.png) [@Mikeybro](https://discuss.gradle.org/u/Mikeybro)\
**Post date:** [April 8, 2020, 10:54pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/8 "2020-04-08T22:54:06Z")

</div>

Hello i’m new to Android Studio. I recently installed it and when I started the app i automatically got a build fail. Can someone please help me resolve this? right below is the exception

- Where:  
Settings file ‘C:\Users\Frosty\AndroidStudioProjects\LearnersPracticeApp\settings.gradle’ line: 1
- What went wrong:  
Could not compile settings file ‘C:\Users\Frosty\AndroidStudioProjects\LearnersPracticeApp\settings.gradle’.

> startup failed:  
> settings file ‘C:\Users\Frosty\AndroidStudioProjects\LearnersPracticeApp\settings.gradle’: 1: unexpected char: ‘’’ @ line 1, column 41.  
> t.name=‘Learner’s Practice App’  
> ^  
> Caused by: org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:

---

<div class="post-metadata">

**Author:** ![axdibble](https://avatars.discourse-cdn.com/v4/letter/a/90ced4/32.png) [@axdibble](https://discuss.gradle.org/u/axdibble)\
**Post date:** [June 16, 2020, 2:31pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/9 "2020-06-16T14:31:57Z")

</div>

Hello, I am new to working with Gradle and am attempting to publish the Greeting Plugin Example with IntelliJ. I have updated Gradle to the newest version (6.5). When I implemented the pluginBundle configuration on the build.gradle file, it renders as grey text. This results in a compliation error: “Could not find method pluginBundle() for arguments [build\_e38q70fu8viqef4tr73fqd6cb$\_run\_closure1@53aa46f1] on root project ‘greeting-plugin-example-master’ of type org.gradle.api.Project.” How can I implement the pluginBundle so that it renders correctly?

---

<div class="post-metadata">

**Author:** ![Deenadhayalanm22](https://avatars.discourse-cdn.com/v4/letter/d/48db29/32.png) [@Deenadhayalanm22](https://discuss.gradle.org/u/Deenadhayalanm22)\
**Post date:** [July 14, 2020, 7:03am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/10 "2020-07-14T07:03:57Z")

</div>

I wanted to run some of the class files present inside build/install/ folder. So, I have created task like below.

Note : dummy java class present inside build/install/dummy.class

```gradle
task runWithExec(type: JavaExec) {
    workingDir = "$buildDir/install/"
    //classpath = files("$buildDir/install/lib")
    main = 'dummy'    
}

```

but, when i execute this task, I am getting exception saying, ‘Error: Could not find or load main class dummy’

why i am getting such a exception when i am setting my workingDir properly.

---

<div class="post-metadata">

**Author:** ![willjack](https://avatars.discourse-cdn.com/v4/letter/w/ebca7d/32.png) [@willjack](https://discuss.gradle.org/u/willjack)\
**Post date:** [September 30, 2020, 12:21pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/11 "2020-09-30T12:21:00Z")

</div>

Good information thanks for sharing  
[vmware](https://www.fieldengineer.com/skills/vmware-engineer)

---

<div class="post-metadata">

**Author:** ![aizadaizad](https://avatars.discourse-cdn.com/v4/letter/a/58956e/32.png) [@aizadaizad](https://discuss.gradle.org/u/aizadaizad)\
**Post date:** [January 4, 2021, 8:25pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/12 "2021-01-04T20:25:04Z")

</div>

Can any1 help with with this problem?

> <https://stackoverflow.com/questions/65568992/how-to-fix-androidx-incompatibilities-in-plugin>

---

<div class="post-metadata">

**Author:** ![mcgheea](https://avatars.discourse-cdn.com/v4/letter/m/90db22/32.png) [@mcgheea](https://discuss.gradle.org/u/mcgheea)\
**Post date:** [January 18, 2021, 5:39am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/13 "2021-01-18T05:39:36Z")

</div>

We are using gradle wrapper from a windows 10 environment, behind a corporate firewall that appears to do SSL inspection. The result is that when first running the wrapper with “gradlew.bat”, it attempts to download “[https://services.gradle.org/distributions/gradle-6.8-bin.zip](https://services.gradle.org/distributions/gradle-6.8-bin.zip)”, but results in a “Read Timed Out”. We suspect this is because the corporate firewall is downloading the zip, inspecting it, and this is taking longer than the default 10 seconds set within the wrapper when downloading packages.

Exception is:  
Exception in thread “main” java.io.IOException: Downloading from [https://services.gradle.org/distributions/gradle-6.8-bin.zip](https://services.gradle.org/distributions/gradle-6.8-bin.zip) failed: timeout  
at org.gradle.wrapper.Download.downloadInternal(Download.java:110)  
at org.gradle.wrapper.Download.download(Download.java:67)

When decompiling the org.gradle.wrapper.Download.class file, and changing line 40 from:

```
private static final int READ_TIMEOUT_MILLISECONDS = 10 * 1000;

```

to  
private static final int READ\_TIMEOUT\_MILLISECONDS = 50 \* 1000;

The download appears to work fine (30 seconds is still to short a duration for our environment).

If others have perhaps experienced this, would it be possible to request a feature / change to allow setting (or perhaps increasing) this hardcoded timeout in the wrapper from 10 seconds?

(As a temporary workaround, we have downloaded the zip locally, and just referenced the URL to the local file, to avoid the download timeout.)

---

<div class="post-metadata">

**Author:** ![CzrCraft](https://avatars.discourse-cdn.com/v4/letter/c/f4b2a3/32.png) [@CzrCraft](https://discuss.gradle.org/u/CzrCraft)\
**Post date:** [February 27, 2021, 7:19pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/14 "2021-02-27T19:19:23Z")

</div>

i get this errror with the vm wat do i do 😑 :Error occurred during initialization of VM  
Could not reserve enough space for 3145728KB object heap

---

<div class="post-metadata">

**Author:** ![arshadsiraj](https://avatars.discourse-cdn.com/v4/letter/a/a8b319/32.png) [@arshadsiraj](https://discuss.gradle.org/u/arshadsiraj)\
**Post date:** [March 24, 2021, 9:42am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/15 "2021-03-24T09:42:15Z")

</div>

hi its arshadsiraj here i am having a error in installed plugin can someone kindly explain me how to resolve that error

 ![Screenshot (109)](https://global.discourse-cdn.com/gradle/original/2X/c/c6b267c8e2bbb5561bdf7074f34b96741835c0a3.png)

---

<div class="post-metadata">

**Author:** ![arshadsiraj](https://avatars.discourse-cdn.com/v4/letter/a/a8b319/32.png) [@arshadsiraj](https://discuss.gradle.org/u/arshadsiraj)\
**Post date:** [March 24, 2021, 9:45am UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/16 "2021-03-24T09:45:01Z")

</div>

try to change the source location for eg: if its in local dish C change that to local dish D

i hope it helped you!

---

<div class="post-metadata">

**Author:** ![Zakaryababa](https://avatars.discourse-cdn.com/v4/letter/z/f05b48/32.png) [@Zakaryababa](https://discuss.gradle.org/u/Zakaryababa)\
**Post date:** [April 22, 2021, 2:32pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/17 "2021-04-22T14:32:41Z")

</div>

I HAVE THIS PROBLEM THAT I DONT KNOW HOW TO SOLVE

[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.  
[Fatal Error] firebase-firestore-22.1.2.pom:2:1: Content is not allowed in prolog.

FAILURE: Build failed with an exception.

- What went wrong:  
Execution failed for task ‘:app:checkDebugAarMetadata’.

> Could not resolve all files for configuration ‘:app:debugRuntimeClasspath’.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Required by:  
> project :app \> com.google.firebase:firebase-bom:27.0.0

```
        > Content is not allowed in prolog.
  > Could not resolve com.google.firebase:firebase-firestore:22.1.2.
     > Could not parse POM https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom
        > Content is not allowed in prolog.
  > Could not resolve com.google.firebase:firebase-firestore:22.1.2.
     > Could not parse POM https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom
        > Content is not allowed in prolog.

```

> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Required by:  
> project :app \> project :cloud\_firestore  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.  
> Could not resolve com.google.firebase:firebase-firestore:22.1.2.  
> Could not parse POM [https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom](https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-firestore/22.1.2/firebase-firestore-22.1.2.pom)  
> Content is not allowed in prolog.

- Try:  
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

- Get more help at [https://help.gradle.org](https://help.gradle.org)

BUILD FAILED in 1m 59s  
Exception: Gradle task assembleDebug failed with exit code 1

---

<div class="post-metadata">

**Author:** ![Jonty](https://avatars.discourse-cdn.com/v4/letter/j/90db22/32.png) [@Jonty](https://discuss.gradle.org/u/Jonty)\
**Post date:** [May 27, 2021, 6:14pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/18 "2021-05-27T18:14:37Z")

</div>

When i am trying to build the demo app of flutter, this error occurs. How to solve this issue?

```
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:processDebugMainManifest'.
> Unable to make field private final java.lang.String java.io.File.path accessible: module java.base does not "opens java.io" to unnamed module @1e225c8b

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 1s
Exception: Gradle task assembleDebug failed with exit code 1
```

---

<div class="post-metadata">

**Author:** ![ItsDoome1](https://avatars.discourse-cdn.com/v4/letter/i/a587f6/32.png) [@ItsDoome1](https://discuss.gradle.org/u/ItsDoome1)\
**Post date:** [October 6, 2021, 1:24pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/21 "2021-10-06T13:24:09Z")

</div>

Help me please error

```gradle
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] FAILURE: Build failed with an exception.
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * What went wrong:
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Unable to get mutable Windows environment variable map
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * Try:
17:51:55.915 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Run with --stacktrace option to get the stack trace. Run with --scan to get full insights.
17:51:55.916 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]

```

---

<div class="post-metadata">

**Author:** ![Sayedoon99](https://avatars.discourse-cdn.com/v4/letter/s/dec6dc/32.png) [@Sayedoon99](https://discuss.gradle.org/u/Sayedoon99)\
**Post date:** [March 21, 2022, 2:49pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/22 "2022-03-21T14:49:47Z")

</div>

How can I fix this error in the flutter programming:  
Launching lib\main.dart on sdk gphone x86 in debug mode…  
Running Gradle task ‘assembleDebug’…  
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/firebase\_auth\_platform\_interface-6.2.0/lib/src/method\_channel/utils/exception.dart:14:11: Error: Member not found: ‘Error.throwWithStackTrace’.  
Error.throwWithStackTrace(exception, stackTrace);  
^^^^^^^^^^^^^^^^^^^  
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/firebase\_auth\_platform\_interface-6.2.0/lib/src/method\_channel/utils/exception.dart:17:9: Error: Member not found: ‘Error.throwWithStackTrace’.  
Error.throwWithStackTrace(  
^^^^^^^^^^^^^^^^^^^  
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/firebase\_auth\_platform\_interface-6.2.0/lib/src/method\_channel/utils/exception.dart:12:7: Error: A non-null value must be returned since the return type ‘Never’ doesn’t allow null.  
Never convertPlatformException(Object exception, StackTrace stackTrace) {  
^

FAILURE: Build failed with an exception.

- Where:  
Script ‘C:\src\flutter\packages\flutter\_tools\gradle\flutter.gradle’ line: 1070

- What went wrong:  
Execution failed for task ‘:app:compileFlutterBuildDebug’.

> Process ‘command ‘C:\src\flutter\bin\flutter.bat’’ finished with non-zero exit value 1

- Try:  
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

- Get more help at [https://help.gradle.org](https://help.gradle.org)

BUILD FAILED in 11s  
Exception: Gradle task assembleDebug failed with exit code 1

---

<div class="post-metadata">

**Author:** ![miliriam5](https://avatars.discourse-cdn.com/v4/letter/m/ac91a4/32.png) [@miliriam5](https://discuss.gradle.org/u/miliriam5)\
**Post date:** [April 3, 2022, 7:08pm UTC](https://discuss.gradle.org/t/about-the-help-discuss-category/72/23 "2022-04-03T19:08:39Z")

</div>

Hello,  
Please i am developper , 8 days ago i received message in android studio they say i have problem so i deleted my projects and today i receiveing this message  
Starting Gradle Daemon…  
Gradle Daemon started in 1 m 56 s 561 ms

FAILURE: Build failed with an exception.

- What went wrong:  
Could not open cp\_init generic class cache for initialization script ‘C:\Users\lenovo\AppData\Local\Temp\ijinit1.gradle’ (C:\Users\lenovo.gradle\caches\7.2\scripts\cml853f57u0knye5409dv98kv).

> Unexpected lock protocol found in lock file. Expected 3, found 0.

- Try:  
Run with --info or --debug option to get more log output. Run with --scan to get full insights.
- Exception is:  
org.gradle.cache.CacheOpenException: Could not open cp\_init generic class cache for initialization script ‘C:\Users\lenovo\AppData\Local\Temp\ijinit1.gradle’ (C:\Users\lenovo.gradle\caches\7.2\scripts\cml853f57u0knye5409dv98kv).  
at org.gradle.cache.internal.DefaultPersistentDirectoryStore.open(DefaultPersistentDirectoryStore.java:91)  
at org.gradle.cache.internal.DefaultPersistentDirectoryStore.open(DefaultPersistentDirectoryStore.java:43)  
at org.gradle.cache.internal.DefaultCacheFactory.doOpen(DefaultCacheFactory.java:103)  
at org.gradle.cache.internal.DefaultCacheFactory.open(DefaultCacheFactory.java:68)  
at org.gradle.cache.internal.DefaultCacheRepository$PersistentCacheBuilder.open(DefaultCacheRepository.java:126)  
at org.gradle.groovy.scripts.internal.FileCacheBackedScriptClassCompiler.compile(FileCacheBackedScriptClassCompiler.java:115)  
at org.gradle.groovy.scripts.internal.CrossBuildInMemoryCachingScriptClassCache.getOrCompile(CrossBuildInMemoryCachingScriptClassCache.java:50)  
at org.gradle.groovy.scripts.internal.BuildScopeInMemoryCachingScriptClassCompiler.compile(BuildScopeInMemoryCachingScriptClassCompiler.java:50)  
at org.gradle.groovy.scripts.DefaultScriptCompilerFactory$ScriptCompilerImpl.compile(DefaultScriptCompilerFactory.java:49)  
at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:110)  
at org.gradle.configuration.BuildOperationScriptPlugin$1.run(BuildOperationScriptPlugin.java:65)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:56)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$run$1(DefaultBuildOperationExecutor.java:74)  
at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.runWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:45)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:74)  
at org.gradle.configuration.BuildOperationScriptPlugin.lambda$apply$0(BuildOperationScriptPlugin.java:62)  
at org.gradle.configuration.internal.DefaultUserCodeApplicationContext.apply(DefaultUserCodeApplicationContext.java:44)  
at org.gradle.configuration.BuildOperationScriptPlugin.apply(BuildOperationScriptPlugin.java:62)  
at org.gradle.configuration.DefaultInitScriptProcessor.process(DefaultInitScriptProcessor.java:50)  
at org.gradle.initialization.InitScriptHandler$1.run(InitScriptHandler.java:56)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:56)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$run$1(DefaultBuildOperationExecutor.java:74)  
at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.runWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:45)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:74)  
at org.gradle.initialization.InitScriptHandler.executeScripts(InitScriptHandler.java:51)  
at org.gradle.initialization.InitScriptHandlingSettingsLoader.findAndLoadSettings(InitScriptHandlingSettingsLoader.java:33)  
at org.gradle.initialization.GradlePropertiesHandlingSettingsLoader.findAndLoadSettings(GradlePropertiesHandlingSettingsLoader.java:39)  
at org.gradle.initialization.DefaultSettingsPreparer.prepareSettings(DefaultSettingsPreparer.java:31)  
at org.gradle.initialization.BuildOperationFiringSettingsPreparer$LoadBuild.doLoadBuild(BuildOperationFiringSettingsPreparer.java:62)  
at org.gradle.initialization.BuildOperationFiringSettingsPreparer$LoadBuild.run(BuildOperationFiringSettingsPreparer.java:57)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:56)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$run$1(DefaultBuildOperationExecutor.java:74)  
at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.runWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:45)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:74)  
at org.gradle.initialization.BuildOperationFiringSettingsPreparer.prepareSettings(BuildOperationFiringSettingsPreparer.java:45)  
at org.gradle.initialization.VintageBuildModelController.prepareSettings(VintageBuildModelController.java:90)  
at org.gradle.initialization.VintageBuildModelController.doBuildStages(VintageBuildModelController.java:73)  
at org.gradle.initialization.VintageBuildModelController.prepareToScheduleTasks(VintageBuildModelController.java:64)  
at org.gradle.internal.build.DefaultBuildLifecycleController.lambda$prepareToScheduleTasks$0(DefaultBuildLifecycleController.java:104)  
at org.gradle.internal.build.DefaultBuildLifecycleController.lambda$withModelOrThrow$5(DefaultBuildLifecycleController.java:142)  
at org.gradle.internal.build.DefaultBuildLifecycleController.withModel(DefaultBuildLifecycleController.java:157)  
at org.gradle.internal.build.DefaultBuildLifecycleController.withModelOrThrow(DefaultBuildLifecycleController.java:140)  
at org.gradle.internal.build.DefaultBuildLifecycleController.prepareToScheduleTasks(DefaultBuildLifecycleController.java:102)  
at org.gradle.internal.buildtree.DefaultBuildTreeWorkPreparer.scheduleRequestedTasks(DefaultBuildTreeWorkPreparer.java:33)  
at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.lambda$doScheduleAndRunTasks$1(DefaultBuildTreeLifecycleController.java:83)  
at org.gradle.composite.internal.DefaultIncludedBuildTaskGraph.withNewTaskGraph(DefaultIncludedBuildTaskGraph.java:94)  
at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.doScheduleAndRunTasks(DefaultBuildTreeLifecycleController.java:82)  
at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.lambda$fromBuildModel$0(DefaultBuildTreeLifecycleController.java:71)  
at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.runBuild(DefaultBuildTreeLifecycleController.java:104)  
at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.fromBuildModel(DefaultBuildTreeLifecycleController.java:69)  
at org.gradle.tooling.internal.provider.runner.AbstractClientProvidedBuildActionRunner.runClientAction(AbstractClientProvidedBuildActionRunner.java:56)  
at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner.run(ClientProvidedPhasedActionRunner.java:53)  
at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)  
at org.gradle.internal.buildtree.ProblemReportingBuildActionRunner.run(ProblemReportingBuildActionRunner.java:47)  
at org.gradle.launcher.exec.BuildOutcomeReportingBuildActionRunner.run(BuildOutcomeReportingBuildActionRunner.java:69)  
at org.gradle.tooling.internal.provider.FileSystemWatchingBuildActionRunner.run(FileSystemWatchingBuildActionRunner.java:91)  
at org.gradle.launcher.exec.BuildCompletionNotifyingBuildActionRunner.run(BuildCompletionNotifyingBuildActionRunner.java:41)  
at org.gradle.launcher.exec.RootBuildLifecycleBuildActionExecutor.lambda$execute$0(RootBuildLifecycleBuildActionExecutor.java:40)  
at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:154)  
at org.gradle.launcher.exec.RootBuildLifecycleBuildActionExecutor.execute(RootBuildLifecycleBuildActionExecutor.java:40)  
at org.gradle.internal.buildtree.DefaultBuildTreeContext.execute(DefaultBuildTreeContext.java:40)  
at org.gradle.launcher.exec.BuildTreeLifecycleBuildActionExecutor.lambda$execute$0(BuildTreeLifecycleBuildActionExecutor.java:56)  
at org.gradle.internal.buildtree.BuildTreeState.run(BuildTreeState.java:53)  
at org.gradle.launcher.exec.BuildTreeLifecycleBuildActionExecutor.execute(BuildTreeLifecycleBuildActionExecutor.java:56)  
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor$3.call(RunAsBuildOperationBuildActionExecutor.java:61)  
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor$3.call(RunAsBuildOperationBuildActionExecutor.java:57)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:200)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:195)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)  
at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)  
at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:62)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$call$2(DefaultBuildOperationExecutor.java:79)  
at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.callWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:54)  
at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:79)  
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor.execute(RunAsBuildOperationBuildActionExecutor.java:57)  
at org.gradle.launcher.exec.RunAsWorkerThreadBuildActionExecutor.lambda$execute$0(RunAsWorkerThreadBuildActionExecutor.java:38)  
at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:211)  
at org.gradle.launcher.exec.RunAsWorkerThreadBuildActionExecutor.execute(RunAsWorkerThreadBuildActionExecutor.java:38)  
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecutor.execute(ContinuousBuildActionExecutor.java:103)  
at org.gradle.tooling.internal.provider.SubscribableBuildActionExecutor.execute(SubscribableBuildActionExecutor.java:64)  
at org.gradle.internal.session.DefaultBuildSessionContext.execute(DefaultBuildSessionContext.java:46)  
at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter.lambda$execute$0(BuildSessionLifecycleBuildActionExecuter.java:56)  
at org.gradle.internal.session.BuildSessionState.run(BuildSessionState.java:69)  
at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter.execute(BuildSessionLifecycleBuildActionExecuter.java:55)  
at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter.execute(BuildSessionLifecycleBuildActionExecuter.java:37)  
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)  
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)  
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:63)  
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:31)  
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:58)  
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:42)  
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:47)  
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:31)  
at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:65)  
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:39)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:29)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:35)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:78)  
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:75)  
at org.gradle.util.internal.Swapper.swap(Swapper.java:38)  
at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:75)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:63)  
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:84)  
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)  
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)  
at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:52)  
at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:297)  
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)  
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)  
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:61)  
Caused by: java.lang.IllegalStateException: Unexpected lock protocol found in lock file. Expected 3, found 0.  
at org.gradle.cache.internal.filelock.LockStateAccess.readState(LockStateAccess.java:81)  
at org.gradle.cache.internal.filelock.LockFileAccess.readLockState(LockFileAccess.java:88)  
at org.gradle.cache.internal.DefaultFileLockManager$DefaultFileLock.lock(DefaultFileLockManager.java:330)  
at org.gradle.cache.internal.DefaultFileLockManager$DefaultFileLock.(DefaultFileLockManager.java:164)  
at org.gradle.cache.internal.DefaultFileLockManager.lock(DefaultFileLockManager.java:110)  
at org.gradle.cache.internal.DefaultFileLockManager.lock(DefaultFileLockManager.java:96)  
at org.gradle.cache.internal.DefaultFileLockManager.lock(DefaultFileLockManager.java:91)  
at org.gradle.cache.internal.FixedSharedModeCrossProcessCacheAccess.open(FixedSharedModeCrossProcessCacheAccess.java:63)  
at org.gradle.cache.internal.DefaultCacheAccess.open(DefaultCacheAccess.java:139)  
at org.gradle.cache.internal.DefaultPersistentDirectoryStore.open(DefaultPersistentDirectoryStore.java:89)  
… 139 more
- Get more help at [https://help.gradle.org](https://help.gradle.org/)

BUILD FAILED in 5m 5s  
Please i need help  
thank you

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