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DCR is not in XML well-formed

cdoloriert

Hi,

TS 6.7.1
Perl

I have an issue when trying to read DCRs as xml files in a perl script. I have a bunch of DCRs that the script need to read individually in order to get their node value to do some comparison. I identified which one is the one that fails when the following code executes:


if (!open(XML, "$area/$taskfile")) {
      print LOG "can't open $taskfile\n" if $debug;
      close(LOG) if $debug;
      $task->CallBack(0, 'No file to parse.  Done');
      exit(0);
     }

All the DCRs have translated content (russian) and perhaps the xml reader thinks that some of the russian characters are some kindof tags. I'm not really sure.

Could you guide me through this?
what do you think can be happening here so that the when the perl reads this file as XML it causes to fail?
how can i check that each DCR is well-formed if I get hundreds after they are being translated?
When I remove that DCR, the script executes fine and gets the id value for all the DCRs within some directory.

I attached the DCR that causes the error.

Any suggestions?

Thanks in advance.

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Comments

nipper

Most likely some of the characters are not UTF8 encoded. How are the translated files being created ? You need to encode them first.

ISCBorisB

Your translated DCR seems to be well-formed. You open File incorrectly though, Perl has no idea that it's UTF-8. Try
if (!open(XML, '<:utf8', "$area/$taskfile")) {...

cdoloriert

Hi,

Thanks for your quick response.

Your translated DCR seems to be well-formed. You open File incorrectly though, Perl has no idea that it's UTF-8. Try
if (!open(XML, '<:utf8', "$area/$taskfile")) {...

I replaced this line of code + plus I added use Encode; and it still didn't work.

Anything else I might be missing?

Any suggestions?

Thanks in advance

nipper

How are you creating this file ?

cdoloriert

Some company is translating USEnglish content into russian, german, etc. language for us.

nipper

There is a blank line before the ?xml statement, remove that.

ISCBorisB

There is a blank line before the ?xml statement, remove that.

If you look in HEX - it's actually UTF-8 BOM. Not sure if that's what causing the problem, it may be

nipper

I loaded it into a variable $xml and this worked: $rootnode=TeamSite::XMLnode->new($xml);
after I removed the extra blank line.

nipper

If you look in HEX - it's actually UTF-8 BOM. Not sure if that's what causing the problem, it may be

This is more than just a BOM: FF FE OD 00 0A 00

Looks like a linefeed.

cdoloriert

Hi,

You were right, I noticed the same thing when I tried XML marker, it showed this weird character like :?. Now it works.

Thank you so much Smiley Happy

ISCBorisB

This is more than just a BOM: FF FE OD 00 0A 00

Looks like a linefeed.

Removed

ISCBorisB

This is more than just a BOM: FF FE OD 00 0A 00

Looks like a linefeed.

That's a linefeed in UTF-16LE encoding - and a linefeed right after BOM is definitely a problem!

nipper

That's a linefeed in UTF-16LE encoding - and a linefeed right after BOM is definitely a problem!

You know I hate smacking you down like a newbie. Oh no I don't. It is fun. :-)

ISCBorisB

You know I hate smacking you down like a newbie. Oh no I don't. It is fun. :-)

Hey - I've refrained from commenting on "multiple values for hash", haven't I? Smiley Happy

cdoloriert

Thanks guys

However I have a question, what if I still want to catch the error because currently what happens is that stops right there and it hangs the workflow.

That way I can notify the users that DCR itself was the problem and the TS administrator can fix it.

Any suggestions?

sample_javascript_click_cw.rptdesign

ISCBorisB

Thanks guys

However I have a question, what if I still want to catch the error because currently what happens is that stops right there and it hangs the workflow.

That way I can notify the users that DCR itself was the problem and the TS administrator can fix it.

Any suggestions?

You would have to catch an error and transition your Task accordingly, to some Error Notification Task, etc.

See if you can leverage [post=124331]this[/post] code snippet for your needs. Note that DCR File *slurping* command
(line #7) is mangled there by vBulletin (shows correctly in Quote mode). It should be:
my $dcr_string = do{local $/; <HDCR>};

( DCRParser and DCRNode are subclassed from the XML Parser/Node )

nipper

Which part are you having trouble with ? Bo showed a good example of Pelr to catch an error. Then you need to change your callBack to have a different return (and the WF to look for the new return). Are you using WFM or WFT ?

in WFT do something like:


$task->CallBack(0, "error return from $file");

and then you need a second successorset:

[html]

[/html]

Adam Stoller

Which part are you having trouble with ? Bo showed a good example of Pelr to catch an error. Then you need to change your callBack to have a different return (and the WF to look for the new return). Are you using WFM or WFT ?

in WFT do something like:
$task->CallBack(0, "error return from $file");
and then you need a second successorset:

[html]

[/html]

Based on the successorset snippet - the first parameter to CallBack in the case of error should be 1 not 0 as shown - either that or switch the ordering of the two successorsets.

staticparam.rptdesign

nipper

good point, I just cut and pasted some code.

cdoloriert

Hi,

I get that I need to add the successor for the task, however the task dies after it gets the xml format in the dcr variable in:


my $rootnode = TeamSite::XMLnode->new($dcr);

So I decided to find a better way to handle the error, so added


use TeamSite:CRparser;
   my $xml   = '...xml document...';
  my $parser   =  TeamSite:CRparser->new();   # create a DCRparser
  my $rootnode =  $parser->parse($xml);     # get root DCRnode  object
  if (!defined  $rootnode)
  {
   # XML  parse error handling logic goes here...
   # The  applicable error message can be retrieved
   # by  calling $parser->get_error()
  }

However, it always goes inside the if statement even when TS administration can actually parse the DCR.

I'm looking for a better way to deal with this error.

Any suggestions?

Thanks in advance.

AutoArchive_iServer_ManqagementConsole.png

nipper

if (! $rootnode) {.......

cdoloriert

I just tried and it dies even when the DCR is in well-formed ...

cdoloriert

Probably I need to check for the first line in the DCR variable is a newline character then send a message Unable to parse DCR.

Any suggestions?

nipper

If the 1st line IS NOT <?xml version="1.0" encoding="UTF-8"?>

Then it is malformed XML. Have you tried this on a real DCR ?