fix(gradle): check if java is installed (#29572)

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## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->
throw an error when `./gradlew wrapper` or `java -version` failed to
run:
<img width="949" alt="Screenshot 2025-01-09 at 5 33 38 PM"
src="https://github.com/user-attachments/assets/f0b99adc-ff80-4962-8dfe-c1ad11944cac"
/>
<img width="933" alt="Screenshot 2025-01-09 at 5 32 20 PM"
src="https://github.com/user-attachments/assets/11d2286a-cc04-48a0-9839-b67cc93d5cfc"
/>

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes #

(cherry picked from commit f9c306a)

packages/gradle/src/utils/exec-gradle.ts

@@ -23,7 +23,7 @@ export function execGradleAsync(
   args: ReadonlyArray<string>,
   execOptions: ExecFileOptions = {}
 ): Promise<Buffer> {
-  return new Promise<Buffer>((res, rej) => {
+  return new Promise<Buffer>((res, rej: (stdout: Buffer) => void) => {
     const cp = execFile(gradleBinaryPath, args, {
       cwd: dirname(gradleBinaryPath),
       shell: true,
@@ -36,18 +36,15 @@ export function execGradleAsync(
     cp.stdout?.on('data', (data) => {
       stdout += data;
     });
+    cp.stderr?.on('data', (data) => {
+      stdout += data;
+    });
 
     cp.on('exit', (code) => {
       if (code === 0) {
         res(stdout);
       } else {
-        rej(
-          new Error(
-            `Executing Gradle with ${args.join(
-              ' '
-            )} failed with code: ${code}. \nLogs: ${stdout}`
-          )
-        );
+        rej(stdout);
       }
     });
   });

packages/gradle/src/utils/get-project-report-lines.ts

@@ -2,6 +2,7 @@ import { AggregateCreateNodesError, logger } from '@nx/devkit';
 import { execGradleAsync } from './exec-gradle';
 import { existsSync } from 'fs';
 import { dirname, join } from 'path';
+import { execSync } from 'child_process';
 
 export const fileSeparator = process.platform.startsWith('win')
   ? 'file:///'
@@ -36,21 +37,47 @@ export async function getProjectReportLines(
     projectReportBuffer = await execGradleAsync(gradlewFile, [
       'projectReportAll',
     ]);
-  } catch (e) {
-    try {
-      projectReportBuffer = await execGradleAsync(gradlewFile, [
-        'projectReport',
-      ]);
-      logger.warn(
-        `Could not run 'projectReportAll' task. Ran 'projectReport' instead. Please run 'nx generate @nx/gradle:init' to generate the necessary tasks. ${e.message}`
+  } catch (e: Buffer | Error | any) {
+    if (e.toString()?.includes('ERROR: JAVA_HOME')) {
+      throw new AggregateCreateNodesError(
+        [
+          [
+            gradlewFile,
+            new Error(
+              `Could not find Java. Please install Java and try again: https://www.java.com/en/download/help/index_installing.html.\n\r${e.toString()}`
+            ),
+          ],
+        ],
+        []
       );
-    } catch (e) {
+    } else if (e.toString()?.includes(`Task 'projectReportAll' not found`)) {
+      try {
+        projectReportBuffer = await execGradleAsync(gradlewFile, [
+          'projectReport',
+        ]);
+        logger.warn(
+          `Could not run 'projectReportAll' task. Ran 'projectReport' instead. Please run 'nx generate @nx/gradle:init' to generate the necessary tasks.\n\r${e.toString()}`
+        );
+      } catch (e) {
+        throw new AggregateCreateNodesError(
+          [
+            [
+              gradlewFile,
+              new Error(
+                `Could not run 'projectReportAll' or 'projectReport' task. Please run 'nx generate @nx/gradle:init' to generate the necessary tasks.\n\r${e.toString()}`
+              ),
+            ],
+          ],
+          []
+        );
+      }
+    } else {
       throw new AggregateCreateNodesError(
         [
           [
             gradlewFile,
             new Error(
-              `Could not run 'projectReportAll' or 'projectReport' task. Please run 'nx generate @nx/gradle:init' to generate the necessary tasks. ${e.message}`
+              `Could not run 'projectReportAll' or 'projectReport' Gradle task. Please install Gradle and try again: https://gradle.org/install/.\r\n${e.toString()}`
             ),
           ],
         ],