Apache::ASP Powered by ModPerl & Apache Powered by Apache::ASP
Demo ASP: syntax_error.asp 2020-01-19

We are creating a perl syntax error... this should demonstrate how error handling is done. Please check the error log file if you are interested in the output there.

You can turn this error messaging off by setting the Debug variable in the ASP config to 1 or 0.

Also here is an example of how you can use debugging, an API extension $Response->Debug(@args), in your script. The debug output will show up below, and in your error logs. This user style debugging is turned off with the same Debug setting set to 0.

Try this script also with buffering on.

This script by default does a runtime syntax error. If you would like to see a script compile error, click here.

view this file's source

Errors Output

  1. Can't call method "SyntaxError" on an undefined value at /usr/local/proj/asp/eg/syntax_error.asp line 59. , /usr/local/share/perl5/Apache/ASP.pm line 1522
Debug Output
  1. RUN ASP (v2.63) for /usr/local/proj/asp/eg/syntax_error.asp
  2. GlobalASA package Apache::ASP::Demo
  3. creating dbm for file /tmp/asp_demo/server/internal, db SDBM_File, serializer: Data::Dumper
  4. creating dbm for file /tmp/asp_demo/server/application, db SDBM_File, serializer: Data::Dumper
  5. refreshing 02e4caa09458cf3c121b00eb45c0b7ea with timeout 1579401344
  6. new session id 02e4caa09458cf3c121b00eb45c0b7ea
  7. creating dbm for file /tmp/asp_demo/02/02e4caa09458cf3c121b00eb45c0b7ea, db SDBM_File, serializer: Data::Dumper
  8. tieing session 02e4caa09458cf3c121b00eb45c0b7ea
  9. clearing starting session
  10. Session_OnStart - session: 02e4caa09458cf3c121b00eb45c0b7ea;
  11. executing Session_OnStart
  12. updating LastSessionTimeout from 1579401302
  13. parse file /usr/local/proj/asp/eg/syntax_error.asp
  14. parsing /usr/local/proj/asp/eg/syntax_error.asp
  15. found header.inc at /usr/local/proj/asp/eg/header.inc
  16. runtime exec of dynamic include header.inc args ()
  17. parse file /usr/local/proj/asp/eg/header.inc
  18. parsing /usr/local/proj/asp/eg/header.inc
  19. start parse of data - 1145
  20. undefing sub Apache::ASP::Demo::__ASP__usr_local_proj_asp_eg_header_incx3436ef45a26199e890479d9a7f0923bcxINC code CODE(0x557b3a34e240)
  21. compiling into package Apache::ASP::Demo subid [Apache::ASP::Demo::__ASP__usr_local_proj_asp_eg_header_incx3436ef45a26199e890479d9a7f0923bcxINC]
  22. start parse of data - 1484
  23. undefing sub Apache::ASP::Demo::__ASP__local_proj_asp_eg_synta__error_aspx912a61bdf9084209b6314417f66088c7xINC code CODE(0x557b3a34e3a8)
  24. compiling into package Apache::ASP::Demo subid [Apache::ASP::Demo::__ASP__local_proj_asp_eg_synta__error_aspx912a61bdf9084209b6314417f66088c7xINC]
  25. register include /usr/local/proj/asp/eg/header.inc with success
  26. parse file /usr/local/proj/asp/eg/compile_error.inc
  27. parsing /usr/local/proj/asp/eg/compile_error.inc
  28. start parse of data - 116
  29. undefing sub Apache::ASP::Demo::__ASP_local_proj_asp_eg_compile_error_incx921cacac8ca764a2f25214b2023f9318xINC code CODE(0x557b3a36b310)
  30. compiling into package Apache::ASP::Demo subid [Apache::ASP::Demo::__ASP_local_proj_asp_eg_compile_error_incx921cacac8ca764a2f25214b2023f9318xINC]
  31. undefing sub Apache::ASP::Demo::__ASP_local_proj_asp_eg_compile_error_incx921cacac8ca764a2f25214b2023f9318xINC code CODE(0x557b3a36b310)
  32. register include compile_error.inc with error:
  33. Script_OnStart
  34. executing Script_OnStart
  35. [syntax_error.asp] - Script_OnStart /usr/local/proj/asp/eg/syntax_error.asp in global.asa
  36. executing Apache::ASP::Demo::__ASP__local_proj_asp_eg_synta__error_aspx912a61bdf9084209b6314417f66088c7xINC
  37. Script_OnFlush
  38. executing Script_OnFlush
  39. [syntax_error.asp] - Script_OnFlush: about to flush 1 bytes to client
  40. building headers
  41. sending cgi headers
  42. executing Apache::ASP::Demo::__ASP__usr_local_proj_asp_eg_header_incx3436ef45a26199e890479d9a7f0923bcxINC
  43. Script_OnFlush
  44. executing Script_OnFlush
  45. [syntax_error.asp] - Script_OnFlush: about to flush 871 bytes to client
  46. Script_OnFlush
  47. executing Script_OnFlush
  48. [syntax_error.asp] - Script_OnFlush: about to flush 82 bytes to client
  49. done executing include code Apache::ASP::Demo::__ASP__usr_local_proj_asp_eg_header_incx3436ef45a26199e890479d9a7f0923bcxINC
  50. Script_OnFlush
  51. executing Script_OnFlush
  52. [syntax_error.asp] - Script_OnFlush: about to flush 537 bytes to client
  53. [syntax_error.asp] - Debugging - can; take - just: about; - any; kind - of reference - or scalar
  54. Script_OnFlush
  55. executing Script_OnFlush
  56. [syntax_error.asp] - Script_OnFlush: about to flush 77 bytes to client
  57. Script_OnFlush
  58. executing Script_OnFlush
  59. [syntax_error.asp] - Script_OnFlush: about to flush 269 bytes to client
  60. Can't call method "SyntaxError" on an undefined value at /usr/local/proj/asp/eg/syntax_error.asp line 59. , /usr/local/share/perl5/Apache/ASP.pm line 1522
  61. ASP Done Processing Apache::ASP=HASH(0x557b3a334328) - Application: Apache::ASP::Application=HASH(0x557b3a2b5d70); GlobalASA: Apache::ASP::GlobalASA=HASH(0x557b39c20d80); Internal: Apache::ASP::State=HASH(0x557b39e77378); Request: Apache::ASP::Request=HASH(0x557b3a3342c8); Response: Apache::ASP::Response=HASH(0x557b3a3465a0); Server: Apache::ASP::Server=HASH(0x557b3a346330); Session: Apache::ASP::Session=HASH(0x557b3a296060); app_state: 1; basename: syntax_error.asp; cleanup: ARRAY(0x557b39c20c60); compile_checksum: 3436ef45a26199e890479d9a7f0923bc; compile_includes: 1; compile_perl_count: 3; cookie_domain: ; cookie_path: /; dbg: 3; debugs_output: ARRAY(0x557b39c20ac8); destroy: 1; dir_config: APR::Table=HASH(0x557b3a34e528); dirname: /usr/local/proj/asp/eg/; errors_output: ARRAY(0x557b3a33c810); errs: 1; filename: /usr/local/proj/asp/eg/syntax_error.asp; global: /usr/local/proj/asp/eg//.; global_package: Apache::ASP::Demo; group_refresh: 30; headers_in: APR::Table=HASH(0x557b3a34e438); http_only_session: ; includes_dir: ARRAY(0x557b39c20b88); init_packages: ARRAY(0x557b3a346510); inode_names: 0; lang_comment: #; lang_language: PerlScript; lang_module: Apache::ASP::Lang::PerlScript; lang_object: Apache::ASP::Lang::PerlScript=HASH(0x557b3a313130); last_compile_include_data: HASH(0x557b3a34e378); last_time: 1579401044.5174; no_cache: 0; package: Apache::ASP::Demo; paranoid_session: ; parse_config: 1; parse_file_count: 3; pod_comments: 1; r: Apache2::RequestRec=SCALAR(0x557b3a34e5e8); register_includes: HASH(0x557b3a34e330); remote_ip: 3.83.32.171; request_binary_read: 1; response_tied: 1; run_perl_script: SCALAR(0x557b3a34e480); search_dirs_cache: HASH(0x557b3a345bf8); secure_session: ; session_count: 1; session_id: 02e4caa09458cf3c121b00eb45c0b7ea; session_serialize: ; session_state: 1; session_timeout: 300; session_url: 1; session_url_force: ; session_url_match: ; session_url_parse: 0; session_url_parse_match: ; start_time: 1579401044.51015; stat_inc: 0; stat_inc_match: 0; stat_scripts: 1; state_db: ; state_dir: /tmp/asp_demo; state_manager: 10; state_serialize: ; state_serializer: ; ua: CCBot/2.0 (https://commoncrawl.org/faq/); use_strict: 1; win32: 0; xml_subs_match: my:\w+; xml_subs_perl_args: 1; xml_subs_strict: ; xslt: 0;
  62. errors out
  63. Can't call method "SyntaxError" on an undefined value at /usr/local/proj/asp/eg/syntax_error.asp line 59. , /usr/local/share/perl5/Apache/ASP.pm line 1522
ASP to Perl Script 

  -: use strict;;;use vars qw($Application $Session $Response $Server $Request);;
  -: #line 1 /usr/local/proj/asp/eg/syntax_error.asp
  1: ;;
  2: 
  3: ;  
  4: use File::Basename;
  5: if($Request->QueryString('buffer')) {
  6: 	$Response->{Buffer} = 1;
  7: } else {
  8: 	$Response->{Buffer} = 0; 
  9: }
 10: ; &Apache::ASP::WriteRef($main::Response, \('
 11: ')); $Response->Include('/usr/local/proj/asp/eg/header.inc', ); ; &Apache::ASP::WriteRef($main::Response, \('
 12: We are creating a perl syntax error... this should demonstrate 
 13: how error handling is done.  Please check the error log file if 
 14: you are interested in the output there.
 15: <p>
 16: You can turn this error messaging off by setting the Debug variable
 17: in the ASP config to 1 or 0.
 18: <p>
 19: Also here is an example of how you can use debugging, an API
 20: extension $Response->Debug(@args), in your script.  The debug 
 21: output will show up below, and in your error logs.  This user 
 22: style debugging is turned off with the same Debug setting set to 0.
 23: <p>
 24: 
 25: 
 26: 
 27: ')); 
 28:    $Response->Debug(
 29: 	"Debugging", 
 30: 	['can', 'take'], 
 31: 	{'just'=>'about'},
 32: 	sub { ['any', 'kind']},
 33: 	\"of reference",
 34: 	"or scalar"
 35: 	);
 36: 
 37:    print "Try this script also with <a href=".basename($0)."?buffer=1>buffering on.</a>";
 38: ; &Apache::ASP::WriteRef($main::Response, \('
 39: 
 40: <p>
 41: 
 42: This script by default does a runtime syntax error.  If you would like
 43: to see a script <b>compile error, <a href="'.( basename($0) ).'?compile_error=1">click here</a></b>.
 44: 
 45: <p>
 46: <a href="source.asp?file='.($Request->ServerVariables("SCRIPT_NAME")).'">
 47: view this file\'s source
 48: </a>
 49: 
 50: <br>
 51: <br>
 52: 
 53: ')); 
 54: if($Request->QueryString('compile_error')) {
 55:   $Response->Include("compile_error.inc");
 56: } else {
 57:         my $Object;
 58: 	# create a run-time syntax error
 59: 	$Object->SyntaxError(); 
 60: }
 61: ; &Apache::ASP::WriteRef($main::Response, \('
 62: 
 63: 
 64: 
 65: 
 66: 
 67: 
 68: 
 69: 
 70: 
 71: 
 72: 
 73: 
 74: Misc Text Below Error'));


An error has occured with the Apache::ASP script just run. If you are the developer working on this script, and cannot work through this problem, please try researching it at the Apache::ASP web site, specifically the FAQ section. Failing that, check out your support options, and if necessary include this debug output with any query.