From bd61dc65e8c77ea23504bd4cbc279bf3e62c2235 Mon Sep 17 00:00:00 2001
From: Jinbo Wang <jinbwan@microsoft.com>
Date: Mon, 22 Jan 2024 14:02:06 +0800
Subject: [PATCH] Log the error details when initialization failed (#3472)

---
 src/extension.ts |  3 ++-
 src/utils.ts     | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/extension.ts b/src/extension.ts
index 30cf1b506..398b6a00f 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -29,7 +29,7 @@ import { snippetCompletionProvider } from './snippetCompletionProvider';
 import { JavaClassEditorProvider } from './javaClassEditor';
 import { StandardLanguageClient } from './standardLanguageClient';
 import { SyntaxLanguageClient } from './syntaxLanguageClient';
-import { convertToGlob, deleteClientLog, deleteDirectory, ensureExists, getBuildFilePatterns, getExclusionGlob, getInclusionPatternsFromNegatedExclusion, getJavaConfig, getJavaConfiguration, hasBuildToolConflicts } from './utils';
+import { convertToGlob, deleteClientLog, deleteDirectory, ensureExists, getBuildFilePatterns, getExclusionGlob, getInclusionPatternsFromNegatedExclusion, getJavaConfig, getJavaConfiguration, hasBuildToolConflicts, resolveActualCause } from './utils';
 import glob = require('glob');
 import { Telemetry } from './telemetry';
 import { getMessage } from './errorUtils';
@@ -272,6 +272,7 @@ export async function activate(context: ExtensionContext): Promise<ExtensionAPI>
 								name: "java.client.error.initialization",
 								properties: {
 									message: error && error.toString(),
+									data: resolveActualCause(error?.data),
 								},
 							});
 						}
diff --git a/src/utils.ts b/src/utils.ts
index 97acc7ac5..c3ff4805f 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -299,3 +299,20 @@ async function addAutoDetectedJdks(configuredJREs: any[]): Promise<any[]> {
 
 	return configuredJREs;
 }
+
+export function resolveActualCause(callstack: any): any {
+	if (!callstack) {
+		return;
+	}
+
+	const callstacks = callstack.split(/\r?\n/);
+	if (callstacks?.length) {
+		for (let i = callstacks.length - 1; i >= 0; i--) {
+			if (callstacks[i]?.startsWith("Caused by:")) {
+				return callstacks.slice(i).join("\n");
+			}
+		}
+	}
+
+	return callstack;
+}