--- a/nbproject/configurations.xml	Thu Mar 24 02:02:48 2022 +0100
+++ b/nbproject/configurations.xml	Thu Mar 24 02:19:39 2022 +0100
@@ -86,6 +86,7 @@
               <pElem>../relpipe-lib-common.cpp/include</pElem>
               <pElem>../relpipe-lib-cli.cpp/include</pElem>
               <pElem>/usr/include/x86_64-linux-gnu</pElem>
+              <pElem>/usr/include/uuid</pElem>
               <pElem>build/Debug/src</pElem>
             </incDir>
           </ccTool>
@@ -97,8 +98,8 @@
         </preBuild>
       </makefileType>
       <item path="src/HTTPClient.cpp" ex="false" tool="1" flavor2="0">
-      </item>
-      <item path="src/HTTPClient.h" ex="false" tool="3" flavor2="0">
+        <ccTool flags="0">
+        </ccTool>
       </item>
       <item path="src/relpipe-tr-http.cpp" ex="false" tool="1" flavor2="0">
         <ccTool flags="0">

--- a/src/CMakeLists.txt	Thu Mar 24 02:02:48 2022 +0100
+++ b/src/CMakeLists.txt	Thu Mar 24 02:19:39 2022 +0100
@@ -17,7 +17,7 @@
 
 # Relpipe libraries:
 INCLUDE(FindPkgConfig)
-pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp libcurl)
+pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp libcurl uuid)
 include_directories(${RELPIPE_LIBS_INCLUDE_DIRS})
 link_directories(${RELPIPE_LIBS_LIBRARY_DIRS})
 

--- a/src/HTTPHandler.h	Thu Mar 24 02:02:48 2022 +0100
+++ b/src/HTTPHandler.h	Thu Mar 24 02:19:39 2022 +0100
@@ -25,6 +25,7 @@
 #include <stdexcept>
 
 #include <curl/curl.h>
+#include <uuid/uuid.h>
 
 #include <relpipe/common/type/typedefs.h>
 #include <relpipe/reader/TypeId.h>
@@ -119,6 +120,15 @@
 		request.headers.push_back(convertor.to_bytes(value));
 	}
 
+	relpipe::common::type::StringX generateRequestId() {
+		char buffer[37];
+		uuid_t uuid;
+		uuid_generate_random(uuid);
+		// uuid_generate_time(uuid);
+		uuid_unparse_lower(uuid, buffer);
+		return convertor.from_bytes(buffer);
+	}
+
 public:
 
 	HTTPHandler(shared_ptr<relpipe::writer::RelationalWriter> relationalWriter, Configuration configuration) : relationalWriter(relationalWriter), configuration(configuration) {
@@ -189,6 +199,8 @@
 			currentAttributeIndex = 0;
 			std::shared_ptr<HTTPClient> http(HTTPClient::open());
 
+			if (requestId.empty()) requestId = generateRequestId();
+
 			for (const HeaderDefinition& h : requestHeaders) if (h.matches(requestId, convertor.from_bytes(request.url))) appendRequestHeader(h.name, h.value);
 
 			std::string body;