Add matcher

.github/java.json

@@ -0,0 +1,16 @@
+{
+    "problemMatcher": [
+        {
+            "owner": "java",
+            "pattern": [
+                {
+                    "regexp": "^Exception in thread \".*\" (.*): (.*)\\n\\s*at .*\\((.*):(\\d*)\\)$",
+                    "severity": 1,
+                    "message": 2,
+                    "file": 3,
+                    "line": 4
+                }
+            ]
+        }
+    ]
+}

lib/setup-java.js

@@ -17,6 +17,7 @@ var __importStar = (this && this.__importStar) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
 const installer = __importStar(require("./installer"));
+const path = __importStar(require("path"));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -24,6 +25,8 @@ function run() {
             const arch = core.getInput('architecture', { required: true });
             const jdkFile = core.getInput('jdkFile', { required: true });
             yield installer.getJava(version, arch, jdkFile);
+            const matchersPath = path.join(__dirname, '..', '.github');
+            console.log(`##[add-matcher]${path.join(matchersPath, 'java.json')}`);
         }
         catch (error) {
             core.setFailed(error.message);

src/setup-java.ts

@@ -1,5 +1,6 @@
 import * as core from '@actions/core';
 import * as installer from './installer';
+import * as path from 'path';
 
 async function run() {
   try {
@@ -8,6 +9,9 @@ async function run() {
     const jdkFile = core.getInput('jdkFile', {required: true});
 
     await installer.getJava(version, arch, jdkFile);
+
+    const matchersPath = path.join(__dirname, '..', '.github');
+    console.log(`##[add-matcher]${path.join(matchersPath, 'java.json')}`);
   } catch (error) {
     core.setFailed(error.message);
   }