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http://issues.apache.org/bugzilla/show_bug.cgi?id=42269 Summary: Content-Length header is removed on HEAD requests Product: Tomcat 5 Version: Unknown Platform: HP OS/Version: Linux Status: NEW Severity: major Priority: P2 Component: Native:JK AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] If we set JkOptions -FlushHeader JkOptions +FlushPackets then Content-Length header is removed from HEAD requests. The HEAD request is served by the tomcat in this case and it sends the content-length header to mod-jk. The header is apparently removed because ws_flush() is not called from tomcat-connectors-1.2.21-src\native\common\jk_ajp_common.c ajp_process_callback() due to following conditions. (See code marked with ==> <==) case JK_AJP13_SEND_HEADERS: { jk_res_data_t res; if (!ajp_unmarshal_response(msg, &res, ae, l)) { jk_log(l, JK_LOG_ERROR, "ajp_unmarshal_response failed"); JK_TRACE_EXIT(l); return JK_AJP13_ERROR; } r->start_response(r, res.status, res.msg, (const char *const *)res.header_names, (const char *const *)res.header_values, res.num_headers); if (r->flush && r->flush_header) /** ==> JkOptions -FlushHeader <== **/ r->flush(r); r->http_response_status = res.status; } return JK_AJP13_SEND_HEADERS; case JK_AJP13_END_RESPONSE: ae->reuse = (int)jk_b_get_byte(msg); if (!ae->reuse) { /* * AJP13 protocol reuse flag set to false. * Tomcat will close its side of the connection. */ jk_log(l, JK_LOG_WARNING, "AJP13 protocol: Reuse is set to false"); } else if (r->disable_reuse) { if (JK_IS_DEBUG_LEVEL(l)) { jk_log(l, JK_LOG_DEBUG, "AJP13 protocol: Reuse is disabled"); } ae->reuse = JK_FALSE; } else { /* Reuse in all cases */ if (JK_IS_DEBUG_LEVEL(l)) { jk_log(l, JK_LOG_DEBUG, "AJP13 protocol: Reuse is OK"); } ae->reuse = JK_TRUE; } /* Flush after the last write */ if (r->flush && !r->flush_packets) /** ==> JkOptions +FlushPackets <== **/ r->flush(r); JK_TRACE_EXIT(l); return JK_AJP13_END_RESPONSE; break; >From the source code, I can see that flush_packets is added since mod_jk 1.2.14 and flush_headers is added since 1.2.20. So prior to version 1.2.14, content-length was missing in HEAD requests. After 1.2.14, it started working because flush_packets parameter was false by default. -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
