diff --git a/bin/uce_fastcgi.debug.linux.bin b/bin/uce_fastcgi.debug.linux.bin
index 51995ca..ab8ebc7 100755
Binary files a/bin/uce_fastcgi.debug.linux.bin and b/bin/uce_fastcgi.debug.linux.bin differ
diff --git a/src/lib/compiler.h b/src/lib/compiler.h
index 9986810..dd9871c 100644
--- a/src/lib/compiler.h
+++ b/src/lib/compiler.h
@@ -77,7 +77,8 @@ string process_html_literal(SharedUnit* su, string content)
 string preprocess_shared_unit(SharedUnit* su)
 {
 	string content = file_get_contents(su->file_name);
-	string pc = "#include \""+context->server_state->config.COMPILER_SYS_PATH +"/src/lib/uce_gen.h\" \n";
+	printf("(c) compiling with root dir %s\n", context->server->config.COMPILER_SYS_PATH.c_str());
+	string pc = ("#include \"")+context->server->config.COMPILER_SYS_PATH +"/src/lib/uce_gen.h\" \n";
 	string token = "";
 	string html_buffer = "";
 	u8 mode = 0;
@@ -144,8 +145,8 @@ void setup_unit_paths(SharedUnit* su, string file_name)
 		return;
 
 	su->src_path = dirname(file_name);
-	su->bin_path = context->server_state->config.BIN_DIRECTORY + su->src_path;
-	su->pre_path = context->server_state->config.BIN_DIRECTORY + su->src_path;
+	su->bin_path = context->server->config.BIN_DIRECTORY + su->src_path;
+	su->pre_path = context->server->config.BIN_DIRECTORY + su->src_path;
 
 	su->src_file_name = basename(file_name);
 	su->bin_file_name = su->src_file_name + ".so";
@@ -202,7 +203,7 @@ void compile_shared_unit(SharedUnit* su, string file_name)
 
 	printf("Config.COMPILE_SCRIPT %s\n", string(su->pre_path + "/" + su->pre_file_name).c_str());
 
-	su->compiler_messages = trim(shell_exec(context->server_state->config.COMPILE_SCRIPT+" "+
+	su->compiler_messages = trim(shell_exec(context->server->config.COMPILE_SCRIPT+" "+
 		shell_escape(su->src_path)+" "+
 		shell_escape(su->bin_path)+" "+
 		shell_escape(su->file_name)+" "+
@@ -223,7 +224,7 @@ void compile_shared_unit(SharedUnit* su, string file_name)
 
 SharedUnit* get_shared_unit(string file_name)
 {
-	SharedUnit* su = context->server_state->units[file_name];
+	SharedUnit* su = context->server->units[file_name];
 	auto mod_time = file_mtime(file_name);
 	bool do_recompile = false;
 	if(su && (su->last_compiled < mod_time || mod_time == 0))
@@ -247,13 +248,14 @@ SharedUnit* get_shared_unit(string file_name)
 				compile_shared_unit(su, file_name);
 		}
 
-		context->server_state->units[file_name] = su;
+		context->server->units[file_name] = su;
 	}
 	return(su);
 }
 
-void invoke(string file_name)
+void compiler_invoke(string file_name)
 {
+	printf("(i) invoke %s\n", file_name.c_str());
 	if(file_name[0] != '/')
 	{
 		file_name = expand_path(file_name);
@@ -283,3 +285,5 @@ void invoke(string file_name)
 		}
 	}
 }
+
+invoke_handler invoke;
diff --git a/src/lib/sys.h b/src/lib/sys.h
index cfb4603..d1ef8ac 100644
--- a/src/lib/sys.h
+++ b/src/lib/sys.h
@@ -162,5 +162,6 @@ void on_segfault(int sig) {
 	// print out all the frames to stderr
 	fprintf(stderr, "SEG FAULT: %d:\n", sig);
 	backtrace_symbols_fd(array, size, STDERR_FILENO);
+	exit(1);
 }
 
diff --git a/src/lib/types.h b/src/lib/types.h
index 59bd5d7..0f1b0e5 100644
--- a/src/lib/types.h
+++ b/src/lib/types.h
@@ -58,7 +58,7 @@ struct ServerSettings {
 	string SOCKET_PATH = "/run/uce.sock";
 	string TMP_UPLOAD_PATH = "/tmp/uce/uploads";
 	string SESSION_PATH = "/tmp/uce/sessions";
-	string COMPILER_SYS_PATH = "";
+	string COMPILER_SYS_PATH = ".";
 	u32 LISTEN_PORT = 9993;
 	u64 SESSION_TIME = 60*60*24*30;
 
@@ -108,7 +108,7 @@ struct ServerState {
 
 struct Request {
 
-	ServerState* server_state;
+	ServerState* server;
 
 	StringMap params;
 	StringMap get;
@@ -130,6 +130,8 @@ struct Request {
 	f64 time_start;
 	f64 time_end;
 
+	invoke_handler invoke;
+
 	void print(string s)
 	{
 		out.append(s);
diff --git a/src/lib/uce_gen.h b/src/lib/uce_gen.h
index 4406ec8..7b46a61 100644
--- a/src/lib/uce_gen.h
+++ b/src/lib/uce_gen.h
@@ -14,6 +14,7 @@ Request* context;
 extern "C" void set_current_request(Request* _request)
 {
 	context = _request;
+	invoke = _request->invoke;
 	signal(SIGSEGV, on_segfault);
 }
 
diff --git a/src/lib/uri.h b/src/lib/uri.h
index 45252d8..e19c77c 100644
--- a/src/lib/uri.h
+++ b/src/lib/uri.h
@@ -120,7 +120,7 @@ StringMap parse_multipart(string q, string boundary, std::vector<UploadedFile>&
 			{
 				nibble("=\"", field);
 				UploadedFile f;
-				f.tmp_name = context->server_state->config.TMP_UPLOAD_PATH + std::to_string(rand());
+				f.tmp_name = context->server->config.TMP_UPLOAD_PATH + std::to_string(rand());
 				f.file_name = nibble("\"", field);
 				string bin = field.substr(4, field.length()-6);
 				f.size = bin.length();
@@ -285,19 +285,19 @@ string make_session_id()
 
 StringMap load_session_data(string session_id)
 {
-	return(parse_query(file_get_contents(context->server_state->config.SESSION_PATH + "/" + session_id)));
+	return(parse_query(file_get_contents(context->server->config.SESSION_PATH + "/" + session_id)));
 }
 
 void save_session_data(string session_id, StringMap data)
 {
-	file_put_contents(context->server_state->config.SESSION_PATH + "/" + session_id, encode_query(data));
+	file_put_contents(context->server->config.SESSION_PATH + "/" + session_id, encode_query(data));
 }
 
 string session_start(string session_name = "uce-session")
 {
 	if(context->cookies[session_name].length() == 0)
 	{
-		set_cookie(session_name, make_session_id(), time() + context->server_state->config.SESSION_TIME);
+		set_cookie(session_name, make_session_id(), time() + context->server->config.SESSION_TIME);
 	}
 	context->session_id = context->cookies[session_name];
 	context->session_name = session_name;
@@ -309,7 +309,7 @@ void session_destroy(string session_name = "uce-session")
 {
 	if(context->cookies[session_name].length() > 0)
 	{
-		set_cookie(session_name, "", time() - context->server_state->config.SESSION_TIME);
+		set_cookie(session_name, "", time() - context->server->config.SESSION_TIME);
 		context->session.clear();
 		context->session_id = "";
 	}
diff --git a/src/linux_fastcgi.cpp b/src/linux_fastcgi.cpp
index a97d797..89c1f46 100644
--- a/src/linux_fastcgi.cpp
+++ b/src/linux_fastcgi.cpp
@@ -34,11 +34,13 @@ int handle_complete(FastCGIRequest& request) {
     // The event handler can also be a class member function. This
     // event occurs when the parameters and standard input streams are
     // both closed, and thus the request is complete.
-	context = &request;
-	request.server_state = &server_state;
-	request.time_start = microtime();
+	// printf("(i) request handle\n");
 
-    request.header["Content-Type"] = context->server_state->config.CONTENT_TYPE;
+	context = &request;
+	request.server = &server_state;
+	request.time_start = microtime();
+	request.invoke = compiler_invoke;
+    request.header["Content-Type"] = context->server->config.CONTENT_TYPE;
     request.get = parse_query(request.params["QUERY_STRING"]);
 
 	if(request.params["HTTP_COOKIE"].length() > 0)
@@ -60,6 +62,7 @@ int handle_complete(FastCGIRequest& request) {
 		}
 	}
 
+	// printf("(i) request ready\n");
     invoke(request.params["SCRIPT_FILENAME"]);
 
     string headers =
@@ -92,13 +95,18 @@ int main(int argc, char** argv)
 	signal(SIGSEGV, on_segfault);
 	srand(time());
 
+	invoke = compiler_invoke;
+
 	// Set up our request handlers
 	server.request_handler(&handle_request);
 	server.data_handler(&handle_data);
 	server.complete_handler(&handle_complete);
 
-	if(server_state.config.COMPILER_SYS_PATH == "")
+	//if(server_state.config.COMPILER_SYS_PATH == "")
 		server_state.config.COMPILER_SYS_PATH = get_cwd();
+
+	printf("Compiler base path: %s\n", server_state.config.COMPILER_SYS_PATH.c_str());
+		
 	server_state.config.BIN_DIRECTORY =
 		server_state.config.COMPILER_SYS_PATH + "/" + server_state.config.BIN_DIRECTORY;
 	server_state.config.COMPILE_SCRIPT =
diff --git a/test/text-json.uce b/test/text-json.uce
new file mode 100644
index 0000000..e683ac3
--- /dev/null
+++ b/test/text-json.uce
@@ -0,0 +1,12 @@
+
+
+RENDER()
+{
+
+	DTree t;
+
+	echo(json_encode(t));
+
+	echo(string("PATH: ") + context->server->config.COMPILER_SYS_PATH + "\n");
+	
+}