nginx 0.3.39 *) Feature: the "uninitialized_variable_warn" directive; the logging level of the "uninitialized variable" message was lowered from "alert" to "warn". *) Feature: the "override_charset" directive. *) Change: now if the unknown variable is used in the "echo" and "if expr='$name'" SSI-commands, then the "unknown variable" message is not logged. *) Bugfix: the active connection counter increased on the exceeding of the connection limit specified by the "worker_connections" directive; bug appeared in 0.2.0. *) Bugfix: the limit rate might not work on some condition; bug appeared in 0.3.38.

--- a/src/http/modules/perl/ngx_http_perl_module.c
+++ b/src/http/modules/perl/ngx_http_perl_module.c
@@ -188,6 +188,7 @@ ngx_http_perl_handler(ngx_http_request_t
 
     r->request_body_in_single_buf = 1;
     r->request_body_in_persistent_file = 1;
+    r->request_body_delete_incomplete_file = 1;
 
     rc = ngx_http_read_client_request_body(r, ngx_http_perl_handle_request);