Problems with hyphenation in fop

["Przybilla, Frank" <fr...@maxess.de>]

Hello all,

I have a problem with fop which I have already posted to the
cocoon mailing list, because I use fop within cocoon. But now it is
clear that it is not a cocoon but a fop problem. Therefore I think it is
better to discuss this problem in the fop mailing list.

Here my problem again:

There is a problem with hyphenation which has the bad effect that fop 
is sometimes messing up words which must be hyphanated. The word
Kaiserslautern
(the town in Germany where I live) is e.g printed like this:

sla
ute
Kaiserrn

instead of  

   Kaisers-
     lautern.

The problems only occurs when using fop-0-20.{3,4}  together with Xalan2.2.0
which 
is used in cocoon. Running fop with Xalan2.0.0 works.  

Joerg Pietschmann wrote referring to this issue:

         Ah, the problem with parts of hyphenated word jumping around
     is actually a FOP bug. Yes, it depends on the parser, more
     specific, it depends on how the parser passes text up.
     The bug is fixed in CVS (maintenance branch).

Now I retrieved fop from branch fop-0_20_2-maintain and built fop. 

When running this with my testfiles I got the follwing error during 
fop tree creation:

[ERROR] Couldn't find hyphenation pattern de
[ERROR] Error building hyphenation tree for language de
java.io.InvalidClassException:
org.apache.fop.layout.hyphenation.HyphenationTree
; local class incompatible: stream classdesc serialVersionUID =
-778451683547287
1478, local class serialVersionUID = 6956085100635965297

I fixed this with adding static final long serialVersionUID=
-7784516835472871478L; in class 
org.apache.fop.layout.hyphenation.HyphenationTree. But then I got the
follwing error:

[ERROR] Error building hyphenation tree for language de
java.lang.ClassCastException: cannot assign instance of java.util.Hashtable
to field org.apache.fop.layout.hyphenation.HyphenationTree.stoplist of type
java.util.HashMap in instance of
org.apache.fop.layout.hyphenation.HyphenationTree
        at
java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass
.java:1840)
        at
java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1062)
        at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1851)
        at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
        at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
        at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
        at
org.apache.fop.layout.hyphenation.Hyphenator.getFopHyphenationTree(Unknown
Source)
        at
org.apache.fop.layout.hyphenation.Hyphenator.getHyphenationTree(Unknown
Source)
        at org.apache.fop.layout.hyphenation.Hyphenator.hyphenate(Unknown
Source)
        at org.apache.fop.layout.LineArea.doHyphenation(Unknown Source)


Is this a bug or how could this be solved?

With best regards 

Frank.

> --------------------------------------------------------------------------
> ---------
> Frank Przybilla                                     @xdecision
> (Dipl.-Inform.)
> maxess systemhaus gmbh
> Europaallee 3-5	Phone:	+49 (0) 631.303-2500
> 67657 Kaiserslautern 	Fax:	+49 (0) 631.303-2501
> 	E-Mail:	mailto:przybilla@maxess.de
> Germany      	www:	http://www.maxess.de
> --------------------------------------------------------------------------
> --------
> 
> 
> 

Re: Problems with hyphenation in fop

["J.Pietschmann" <j3...@yahoo.de>]

Przybilla, Frank wrote:
> Is this a bug or how could this be solved?

Already solved.

J.Pietschmann