fix(gradle): check if java is installed

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:///'
@@ -32,6 +33,24 @@ export async function getProjectReportLines(
     return [];
   }
 
+  try {
+    execSync('java --version', {
+      cwd: dirname(gradlewFile),
+    });
+  } catch (e) {
+    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. ${e.message}`
+          ),
+        ],
+      ],
+      []
+    );
+  }
+
   try {
     projectReportBuffer = await execGradleAsync(gradlewFile, [
       'projectReportAll',