[Jmol-developers] [ jmol-Bugs-806067 ] CMLStack verify error

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Bugs item #806067, was opened at 2003-09-14 18:39
Message generated for change (Comment added) made by michaelthoward
You can respond by visiting: 
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Category: Applet
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Michael T Howard (michaelthoward)
Assigned to: Egon Willighagen (egonw)
Summary: CMLStack verify error

Initial Comment:
There is some type of unusual problem with 

cdk/io/cml/CMLStack. Throws a VerifyError under IE. 



ReaderFactory: CMLReader

java.lang.VerifyError: 

org/openscience/cdk/io/cml/CMLStack

	at 

org/openscience/cdk/io/cml/CMLHandler.<init>

	at org/openscience/jmol/io/CMLReader.read

	at 

org/openscience/jmol/FileManager.openReader

	at 

org/openscience/jmol/FileManager.openStringInline

	at 

org/openscience/jmol/DisplayControl.openStringInline

	at JmolApplet.loadInline

	at JmolApplet.initApplication

	at JmolApplet.init

	at com/ms/applet/AppletPanel.securedCall0

	at com/ms/applet/AppletPanel.securedCall

	at 

com/ms/applet/AppletPanel.processSentEvent

	at 

com/ms/applet/AppletPanel.processSentEvent

	at com/ms/applet/AppletPanel.run

	at java/lang/Thread.run



Problem goes away if you just use a java.util.Stack 

instead of subclassing. 



Looks like a jvm bug to me ... need to find a workaround. 



I assigned this to Egon, but I'll keep looking at it. 

----------------------------------------------------------------------

>Comment By: Michael T Howard (michaelthoward)
Date: 2003-09-15 04:09

Message:
Logged In: YES 
user_id=608250

A Sun bug ... fixed in 1.2 ... we need a workaround for 1.1

jvms 

------------

http://developer.java.sun.com/developer/bugParade/bugs/1263765.html



Bug Id     1263765

Votes 0

Synopsis Lots of Vector methods are final

Category java:classes_util

Reported Against 1.0.2, 1.1, 1.1.4

Release Fixed 1.2beta1

State Closed, fixed

Related Bugs 4041340, 4089588

Submit Date Aug 15, 1996

Description



A large number of methods in Vector are final.  This means

that I can't

create

a new kind of Vector which tracks add/removes for some reason.







A large number of methods in Vector are final.  This means

that I can't

create

a new kind of Vector which tracks add/removes for some reason.







Workaround



None.



Evaluation



This is a RFE since the implementation agrees with the spec.

 But why are all

these methods final?  Is there (or was there) an efficiency

issue?



?????????????????



   Methods were final for historical reasons.  This has been

fixed in 1.2.



xxxxx@xxxxx 1997-11-14













----------------------------------------------------------------------

Comment By: Michael T Howard (michaelthoward)
Date: 2003-09-15 03:50

Message:
Logged In: YES 
user_id=608250

There is definately something wrong with the java.util.Stack 

class. 



ns jvm 1.1.5 is throwing an error too ... and the information is 

a little more helpful:



Symantec Java! ByteCode Compiler Version 210.065

Copyright (C) 1996-97 Symantec Corporation

ReaderFactory: CMLReader



# Verifier error org/openscience/cdk/io/cml/CMLStack:

Class org/openscience/cdk/io/cml/CMLStack overrides final 

method toString.()Ljava/lang/String;

java.lang.NoClassDefFoundError: 

org/openscience/cdk/io/cml/CMLStack



So, this means we must come up with a workaround.



Miguel



----------------------------------------------------------------------

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