diff --git a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BadRequestException.java b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BadRequestException.java
index 64d93899b5..cf39825487 100644
--- a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BadRequestException.java
+++ b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BadRequestException.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.opensearch.dataprepper.exceptions;
 
 public class BadRequestException extends RuntimeException {
diff --git a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BufferWriteException.java b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BufferWriteException.java
index 64d0577fc3..925a4d83db 100644
--- a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BufferWriteException.java
+++ b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/BufferWriteException.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.opensearch.dataprepper.exceptions;
 
 public class BufferWriteException extends RuntimeException {
diff --git a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/RequestCancelledException.java b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/RequestCancelledException.java
index f47d384876..708e746acf 100644
--- a/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/RequestCancelledException.java
+++ b/data-prepper-plugins/armeria-common/src/main/java/org/opensearch/dataprepper/exceptions/RequestCancelledException.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.opensearch.dataprepper.exceptions;
 
 public class RequestCancelledException extends RuntimeException {
diff --git a/data-prepper-plugins/armeria-common/src/test/java/org/opensearch/dataprepper/GrpcRequestExceptionHandlerTest.java b/data-prepper-plugins/armeria-common/src/test/java/org/opensearch/dataprepper/GrpcRequestExceptionHandlerTest.java
index 2014b71959..0977db7528 100644
--- a/data-prepper-plugins/armeria-common/src/test/java/org/opensearch/dataprepper/GrpcRequestExceptionHandlerTest.java
+++ b/data-prepper-plugins/armeria-common/src/test/java/org/opensearch/dataprepper/GrpcRequestExceptionHandlerTest.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.opensearch.dataprepper;
 
 import com.linecorp.armeria.common.RequestContext;