diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
new file mode 100644
index 0000000..d29df2b
--- /dev/null
+++ b/.github/workflows/maven.yml
@@ -0,0 +1,31 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 25
+      uses: actions/setup-java@v4
+      with:
+        java-version: '25'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
diff --git a/src/main/java/com/imanimen/jttpserver/http/HttpParser.java b/src/main/java/com/imanimen/jttpserver/http/HttpParser.java
index 2e230bc..ccce8a9 100644
--- a/src/main/java/com/imanimen/jttpserver/http/HttpParser.java
+++ b/src/main/java/com/imanimen/jttpserver/http/HttpParser.java
@@ -23,6 +23,8 @@ public HttpRequest parseHttpRequest(InputStream inputStream) throws IOException
             parseRequestLine(reader, request);
         } catch (IOException e) {
             e.printStackTrace();
+        } catch (HttpParsingException e) {
+            throw new RuntimeException(e);
         }
         parseHeaders(reader, request);
         parseBody(reader, request);
@@ -30,7 +32,7 @@ public HttpRequest parseHttpRequest(InputStream inputStream) throws IOException
         return request;
     }
 
-    private void parseRequestLine(InputStreamReader reader, HttpRequest request) throws IOException {
+    private void parseRequestLine(InputStreamReader reader, HttpRequest request) throws IOException, HttpParsingException {
         StringBuilder processingDataBuffer = new StringBuilder();
 
         boolean methodParsed = false;
diff --git a/src/main/java/com/imanimen/jttpserver/http/HttpRequest.java b/src/main/java/com/imanimen/jttpserver/http/HttpRequest.java
index 02a177f..643ae71 100644
--- a/src/main/java/com/imanimen/jttpserver/http/HttpRequest.java
+++ b/src/main/java/com/imanimen/jttpserver/http/HttpRequest.java
@@ -14,8 +14,16 @@ public HttpMethod getMethod() {
         return method;
     }
 
-    public void setMethod(String methodName) {
-        this.method = HttpMethod.valueOf(methodName);
+    public void setMethod(String methodName) throws HttpParsingException{
+        for (HttpMethod httpMethod: HttpMethod.values()) {
+            if (httpMethod.name().equals(methodName)) {
+                this.method = httpMethod;
+                return;
+            }
+        }
+        throw new HttpParsingException(
+                HttpStatusCode.SERVER_ERROR_501_NOT_IMPLEMENTED
+        );
     }
 
 
diff --git a/src/test/java/com/imanimen/jttpserver/http/HttpParserTest.java b/src/test/java/com/imanimen/jttpserver/http/HttpParserTest.java
index 7255fcc..532f974 100644
--- a/src/test/java/com/imanimen/jttpserver/http/HttpParserTest.java
+++ b/src/test/java/com/imanimen/jttpserver/http/HttpParserTest.java
@@ -21,13 +21,21 @@ public static void beforeClass() {
     @Test
     void parseHttpRequest() throws IOException {
         HttpRequest request = httpParser.parseHttpRequest(
-                generateValidTestCase()
+                generateValidGETTestCase()
         );
 
         assertEquals(request.getMethod(), HttpMethod.GET);
     }
 
-    private InputStream generateValidTestCase() {
+    @Test
+    void parseHttpBadRequest() throws IOException {
+        HttpRequest request = httpParser.parseHttpRequest(
+                generateInValidGETTestCase()
+        );
+
+    }
+
+    private InputStream generateValidGETTestCase() {
         String rawHttpRequest = "GET / HTTP/1.1\r\n" +
                 "Host: localhost:8080\r\n" +
                 "Connection: keep-alive\r\n" +
@@ -52,4 +60,18 @@ private InputStream generateValidTestCase() {
                 )
         );
     }
+
+    private InputStream generateInValidGETTestCase() {
+        String rawHttpRequest = "GET / HTTP/1.1\r\n" +
+                "Host: localhost:8080\r\n" +
+                "Cookie: Phpstorm-e23b83ee=e9b0b55c-7724-483f-93b4-b23824eeb394\r\n" +
+                "\r\n";
+
+        return new ByteArrayInputStream(
+                rawHttpRequest.getBytes(
+                        StandardCharsets.US_ASCII
+                )
+        );
+    }
+
 }
\ No newline at end of file