From eb28a5e4094d62808eea283dda3ce44765a3effe Mon Sep 17 00:00:00 2001
From: Bhoopesh <bhoopesh459@gmail.com>
Date: Mon, 15 Jan 2024 03:42:23 +0530
Subject: [PATCH] fix: jdtls out of heap space error

---
 controllers/file.go | 4 ++--
 servers/ccls.go     | 4 ++--
 servers/jdt.go      | 8 +++++---
 utils/websocket.go  | 4 ++++
 4 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/controllers/file.go b/controllers/file.go
index 15c50d4..eab461e 100644
--- a/controllers/file.go
+++ b/controllers/file.go
@@ -1,7 +1,7 @@
 package controllers
 
 import (
-	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"github.com/delta/codecharacter-lsp-2023/models"
@@ -9,7 +9,7 @@ import (
 
 func handleFileUpdate(message map[string]interface{}, ws *models.WebsocketConnection) error {
 	filename := "player" + ws.Language.GetExtension()
-	return ioutil.WriteFile(ws.WorkspacePath+"/"+filename, []byte(message["code"].(string)), 0644)
+	return os.WriteFile(ws.WorkspacePath+"/"+filename, []byte(message["code"].(string)), 0644)
 }
 
 func getAbsPath(ws *models.WebsocketConnection) error {
diff --git a/servers/ccls.go b/servers/ccls.go
index 74f6262..eb807d4 100644
--- a/servers/ccls.go
+++ b/servers/ccls.go
@@ -2,7 +2,7 @@ package servers
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"os/exec"
 
 	"github.com/delta/codecharacter-lsp-2023/models"
@@ -10,7 +10,7 @@ import (
 
 func createCppServer(ws *models.WebsocketConnection) error {
 	filename := "compile_commands.json"
-	err := ioutil.WriteFile(ws.WorkspacePath+"/"+filename, []byte(createCompileCommands(ws)), 0644)
+	err := os.WriteFile(ws.WorkspacePath+"/"+filename, []byte(createCompileCommands(ws)), 0644)
 	if err != nil {
 		return err
 	}
diff --git a/servers/jdt.go b/servers/jdt.go
index f8d4783..bc60902 100644
--- a/servers/jdt.go
+++ b/servers/jdt.go
@@ -8,15 +8,17 @@ import (
 )
 
 func createJavaServer(ws *models.WebsocketConnection) error {
-	workspaceDir, _ := filepath.Abs(ws.WorkspacePath)
+	workspaceDir, err := filepath.Abs(ws.WorkspacePath)
+	if err != nil {
+		return err
+	}
 	ws.LSPServer.Process = exec.Command("java",
 		"-Declipse.application=org.eclipse.jdt.ls.core.id1",
 		"-Dosgi.bundles.defaultStartLevel=4",
-		"-Dosgi.bundles.defaultStartLevel=4",
 		"-Declipse.product=org.eclipse.jdt.ls.core.product",
 		"-Dlog.level=ERROR",
 		"-noverify",
-		"-Xmx100M",
+		"-Xmx512M",
 		"-jar",
 		"/jdt/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar",
 		"-configuration",
diff --git a/utils/websocket.go b/utils/websocket.go
index 6b90ed6..d08d48c 100644
--- a/utils/websocket.go
+++ b/utils/websocket.go
@@ -58,6 +58,10 @@ func dropConnection(ws *models.WebsocketConnection, c echo.Context) {
 	err := ws.LSPServer.Process.Process.Signal(os.Interrupt)
 	if err != nil {
 		c.Echo().Logger.Error(err)
+		err = ws.LSPServer.Process.Process.Signal(os.Kill)
+		if err != nil {
+			c.Echo().Logger.Error(err)
+		}
 	}
 	_ = ws.LSPServer.DevNullFd.Close()
 	// Reads process exit state to remove the <defunct> process from the system process table