Fix empty response error

pom.xml

@@ -6,12 +6,26 @@
 
     <groupId>ovh.alexisdelhaie</groupId>
     <artifactId>EndPoint</artifactId>
-    <version>0.1.3</version>
+    <version>0.1.5.3</version>
+    <packaging>jar</packaging>
 
     <properties>
         <maven.compiler.release>15</maven.compiler.release>
     </properties>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <release>15</release>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <dependencies>
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
         <dependency>

src/main/java/ovh/alexisdelhaie/endpoint/configuration/AboutDialog.java

@@ -13,7 +13,7 @@ public class AboutDialog extends JDialog {
     public static final int WIDTH = 740;
     public static final int HEIGHT = 500;
 
-    public static final String VERSION = "0.1.5.2";
+    public static final String VERSION = "0.1.5.3";
 
     private JPanel contentPane;
     private JLabel version;

src/main/java/ovh/alexisdelhaie/endpoint/http/HttpClient.java

@@ -1,6 +1,7 @@
 package ovh.alexisdelhaie.endpoint.http;
 
 import ovh.alexisdelhaie.endpoint.configuration.ConfigurationProperties;
+import ovh.alexisdelhaie.endpoint.utils.MessageDialog;
 
 import javax.net.ssl.*;
 import java.io.BufferedInputStream;
@@ -88,6 +89,8 @@ public class HttpClient {
                 long time = end.toEpochMilli() - start.toEpochMilli();
                 r.setRawRequest(request);
                 return Optional.of(new Response(b, time, downgraded, r));
+            } catch (Exception e) {
+                MessageDialog.error("HTTP Error", e.getMessage());
             } finally {
                 s.close();
             }

src/main/java/ovh/alexisdelhaie/endpoint/http/Response.java

@@ -29,14 +29,18 @@ public class Response {
         headers = new HashMap<>();
         rawResponse = new String(res, StandardCharsets.UTF_8);
         int crlf = rawResponse.indexOf(DOUBLE_CRLF);
+        if (crlf > 0) {
             rawHeaders = rawResponse.substring(0, crlf);
             parseHeaders();
             rawResponse = new String(res, getEncoding());
             body = rawResponse.substring(crlf + DOUBLE_CRLF.length());
+            parseBody();
+        } else {
+            rawHeaders = rawResponse;
+        }
         this.time = time;
         request = r;
         this.downgraded = downgraded;
-        parseBody();
     }
 
     private void parseHeaders() {