From d2860d6e4296ffd5a74e10d92cb5640961d758f6 Mon Sep 17 00:00:00 2001
From: tc-wleite <wladimir.leite@gmail.com>
Date: Thu, 7 Nov 2024 00:28:03 -0300
Subject: [PATCH] '#2357: Warn the user about possibly corrupted JRE.

---
 .../src/main/java/iped/app/ui/AppMain.java    |  2 +-
 .../app/ui/splash/SplashScreenManager.java    | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/iped-app/src/main/java/iped/app/ui/AppMain.java b/iped-app/src/main/java/iped/app/ui/AppMain.java
index 3ac075181d..436ab3e223 100644
--- a/iped-app/src/main/java/iped/app/ui/AppMain.java
+++ b/iped-app/src/main/java/iped/app/ui/AppMain.java
@@ -32,7 +32,7 @@ public class AppMain {
 
     private static final String BUNDLED_JRE_VERSION = "11.0.13";
 
-    private static final String HOME_JRE_FOLDER = ".iped/jre-" + BUNDLED_JRE_VERSION;
+    public static final String HOME_JRE_FOLDER = ".iped/jre-" + BUNDLED_JRE_VERSION;
 
     File casePath;
 
diff --git a/iped-app/src/main/java/iped/app/ui/splash/SplashScreenManager.java b/iped-app/src/main/java/iped/app/ui/splash/SplashScreenManager.java
index b73efa3268..ed53fe3cb2 100644
--- a/iped-app/src/main/java/iped/app/ui/splash/SplashScreenManager.java
+++ b/iped-app/src/main/java/iped/app/ui/splash/SplashScreenManager.java
@@ -8,7 +8,9 @@
 import java.awt.RenderingHints;
 import java.awt.SplashScreen;
 import java.awt.geom.Rectangle2D;
+import java.io.File;
 
+import iped.app.ui.AppMain;
 import iped.engine.Version;
 import iped.engine.config.ConfigurationManager;
 import iped.engine.config.SplashScreenConfig;
@@ -157,6 +159,30 @@ public void run() {
                     }
                 } catch (IllegalStateException e) {
                     // Splash was already closed, just ignore this exception.
+                } catch (NoClassDefFoundError | UnsatisfiedLinkError e) {
+                    // Maybe JRE is corrupted
+                    e.printStackTrace();
+
+                    // Check if the OS is Windows
+                    String os = System.getProperty("os.name");
+                    if (os != null && os.toLowerCase().startsWith("windows")) {
+
+                        // Check if user home is valid
+                        File userHome = new File(System.getProperty("user.home"));
+                        if (userHome != null && userHome.exists() && userHome.isDirectory()) {
+
+                            // Check if the is a JRE in user home
+                            File userJrePath = new File(userHome, AppMain.HOME_JRE_FOLDER);
+                            if (userJrePath.exists()) {
+
+                                // Warn the user about possibly corrupted JRE
+                                System.err.println("\n\nERROR: User JRE may be corrupted!");
+                                System.err.println("Please, try to delete \"" + userJrePath.getAbsolutePath()
+                                        + "\" folder and run IPED again.");
+                                System.err.println("");
+                            }
+                        }
+                    }
                 } catch (Exception e) {
                     e.printStackTrace();
                 }