System Error: Stack Underflow

#26906

Hi,

I use a Application Development product where I use PD4ML as a 3rd party tool. I recently upgraded to 3.9.8FX1 and I encountered the below error :

[2015-11-02 16:46:17,947] java.lang.RuntimeException: stack underflow
at org.zefer.css.y.Ã’00000(Unknown Source)
at org.zefer.css.yb.o00000(Unknown Source)
at org.zefer.css.f.Ã’00000(Unknown Source)
at org.zefer.html.doc.css.c.Ã’0O000(Unknown Source)
at org.zefer.html.doc.PD4MLHtmlParser.buildDocument(Unknown Source)
at org.zefer.pd4ml.PD4ML.o00000(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)

I’m new to this forum. Can someone point on how can I fix this issue.

This issue is seen when using a simple HTML Block in reports.

Regards,
Mani.

#29485

I would recommend to give a try to the just released v398fx2. If the issue persists, an HTML sample with accompanying CSS resources would help to analyze the issue.

#29486

Hi,

I upgraded to v398fx2 and tried the same. I still see the same issue.

I don’t have any HTML code as such. Below is with what I’ve tested and encountered the error :

Testing

I don’t use any external css except inbuilt css in product.

Regards,
Mani.

#29487

nested to ?

#29488

Sorry, my bad.

it’s

Testing

#29489

Hii,

Anyone on this?

#29490

yes. to be addressed by the forthcoming maintenance release.

#29491

I am currently testing v398fx3 pre-release and the issue is not reproducible.

v398fx2 also work flawless with the HTML. Obviously it is a bug of older versions only.

#29483

Hi,

I still see this issue after upgrading to the latest version.

Looks like the issue is introduced after 3.9.5 version. I downgraded PD4ML version to 3.9.5 to get rid of this error.

Can you please check if anything newly added or changed after 3.9.5 had introduced this issue?

Regards,
Mani.

#29484

Yes, it has been significantly changed: we switched from open source CSS Parser Project library to our own CSS parser/cascading engine. Obviously the issue is there.

[language=java:1go4b2xd][2015-11-02 16:46:17,947] java.lang.RuntimeException: stack underflow
at org.zefer.css.y.Ã’00000(Unknown Source)
at org.zefer.css.yb.o00000(Unknown Source)
at org.zefer.css.f.Ã’00000(Unknown Source)
at org.zefer.html.doc.css.c.Ã’0O000(Unknown Source)
at org.zefer.html.doc.PD4MLHtmlParser.buildDocument(Unknown Source)
at org.zefer.pd4ml.PD4ML.o00000(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)
at org.zefer.pd4ml.PD4ML.render(Unknown Source)[/language:1go4b2xd]

Even if the issue not in the new CSS parser, there is a lot of adjustments in the main converter code.

An HTML code sample (incl. its CSS resources) which 100% throws an exception on your site would help a lot to determine a problem reason.

(I am afraid, the blank HTML is not the right sample – the exception is thrown by CSS parsing and the HTML does not refer to any CSS resources)

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