diff --git a/src/main/java/it/inaf/oats/vospace/exception/ContainerNotFoundException.java b/src/main/java/it/inaf/oats/vospace/exception/ContainerNotFoundException.java
index 402470515d4d63584a0cd09d98b42369685b91c8..95fdd32dd6ab812e2122ac2d009cd616569afc98 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/ContainerNotFoundException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/ContainerNotFoundException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/DuplicateNodeException.java b/src/main/java/it/inaf/oats/vospace/exception/DuplicateNodeException.java
index e8f1c46051c5aa901a879b072c389170381ff816..95c0c241583bace74160127b2fdafa14beea9444 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/DuplicateNodeException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/DuplicateNodeException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/ErrorController.java b/src/main/java/it/inaf/oats/vospace/exception/ErrorController.java
index 63e95eabfa89542bf8bd5bd2b9faf05715dbb0c7..9effe8dad536110a9113e25401366d105fbcf203 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/ErrorController.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/ErrorController.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import java.nio.charset.StandardCharsets;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/ErrorSummaryFactory.java b/src/main/java/it/inaf/oats/vospace/exception/ErrorSummaryFactory.java
index f50eadeb28e4a348cdc4d23628011012350c02a2..816129c76d5222a454bac3a65188dcc8785676d8 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/ErrorSummaryFactory.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/ErrorSummaryFactory.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import net.ivoa.xml.uws.v1.ErrorSummary;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/InternalFaultException.java b/src/main/java/it/inaf/oats/vospace/exception/InternalFaultException.java
index 8ae2febe3559c2599d0486c2d0bbcc022fd1493a..1e78a4fb1e90363e68f636995b81c1dbcc2b0c74 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/InternalFaultException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/InternalFaultException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.slf4j.Logger;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/InvalidArgumentException.java b/src/main/java/it/inaf/oats/vospace/exception/InvalidArgumentException.java
index 67fbab63ec5827f9aac94f7612846be94d6e1e09..d3bf46ec98b40acd2f552f89143dc1c811a04302 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/InvalidArgumentException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/InvalidArgumentException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/InvalidURIException.java b/src/main/java/it/inaf/oats/vospace/exception/InvalidURIException.java
index 74b155c9b1288b7f11caf43e31a14c4d2c9381d7..3c9248e6db690c17c1dd4be9cfaf8e49c5152200 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/InvalidURIException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/InvalidURIException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/LinkFoundException.java b/src/main/java/it/inaf/oats/vospace/exception/LinkFoundException.java
index 2eb01282e42f5fed742c7f79aac7eb4c27e93dd7..55d3f99cb0cf7b5dce9d8fd834c60f2d5d57c751 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/LinkFoundException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/LinkFoundException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/NodeBusyException.java b/src/main/java/it/inaf/oats/vospace/exception/NodeBusyException.java
index 2ed84fa165a74cdcffd633c1d71757af3e512f4b..7e0d8fc3d58e538de3f56e5253f03ebf00fdf277 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/NodeBusyException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/NodeBusyException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 public class NodeBusyException extends VoSpaceErrorSummarizableException {
diff --git a/src/main/java/it/inaf/oats/vospace/exception/NodeNotFoundException.java b/src/main/java/it/inaf/oats/vospace/exception/NodeNotFoundException.java
index d4066fe95787612ec3dbb34ebbdc496a00b0e15e..9024dc2fe9b4cc0cf5d2a69715d9add1802b9ba5 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/NodeNotFoundException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/NodeNotFoundException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/PermissionDeniedException.java b/src/main/java/it/inaf/oats/vospace/exception/PermissionDeniedException.java
index 6563a894bb20c30d77775d675b565b0f1e674a61..446e410a900c53f210c514836b37942104b0df1e 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/PermissionDeniedException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/PermissionDeniedException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/ProtocolNotSupportedException.java b/src/main/java/it/inaf/oats/vospace/exception/ProtocolNotSupportedException.java
index 205e0f8ebecc8806037fe44da88f9a6318937f75..6a767964c4bd9c5465d591f9663c1e0a450800fc 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/ProtocolNotSupportedException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/ProtocolNotSupportedException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 public class ProtocolNotSupportedException extends VoSpaceErrorSummarizableException{
diff --git a/src/main/java/it/inaf/oats/vospace/exception/VOSpaceFaultEnum.java b/src/main/java/it/inaf/oats/vospace/exception/VOSpaceFaultEnum.java
index 6aeb655d9c6edf98b9c55055d55f3675c3893321..82bf0b5e27dd14d4b41555878cadc605dfd0800b 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/VOSpaceFaultEnum.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/VOSpaceFaultEnum.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 // NFC: ErrorType usage is not covered in documentation, as far as I can see
diff --git a/src/main/java/it/inaf/oats/vospace/exception/VoSpaceErrorSummarizableException.java b/src/main/java/it/inaf/oats/vospace/exception/VoSpaceErrorSummarizableException.java
index be0f0d17b40b3fef67407fbaf106ca15fde7166a..0910b3752adbb5afb06a9e81647bd98ecb48945c 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/VoSpaceErrorSummarizableException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/VoSpaceErrorSummarizableException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 import org.springframework.http.HttpStatus;
diff --git a/src/main/java/it/inaf/oats/vospace/exception/VoSpaceException.java b/src/main/java/it/inaf/oats/vospace/exception/VoSpaceException.java
index 7aa48be8ba38533fd88fcbecf771fdd0738d093e..4d3c983630f051f8a5b358df4399261e36b8f82a 100644
--- a/src/main/java/it/inaf/oats/vospace/exception/VoSpaceException.java
+++ b/src/main/java/it/inaf/oats/vospace/exception/VoSpaceException.java
@@ -1,3 +1,8 @@
+/*
+ * This file is part of vospace-rest
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
 package it.inaf.oats.vospace.exception;
 
 public class VoSpaceException extends RuntimeException {