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Thread View: borland.public.jbuilder.java.language
5 messages
5 total messages Started by Alvin Randolph Tue, 04 Sep 2007 10:44
Corrupt Zip File
#124
Author: Alvin Randolph
Date: Tue, 04 Sep 2007 10:44
19 lines
1678 bytes
Hello:
  I created a jar file made up of several class files from package 
Importlib so I can import them to another package. Everytime I made a 
change to one of the Importlib files. I created the jar file with

jar cvfm importest.jar manifest.txt importlib.*

This appeared to work, but after about 3 or 4 recreations I sometime 
got a JBuilder6 error message

Cannot access class Outerclass; java.io.IOException: zip file is 
corrupted ....

Sometimes I could run the jar command again and it would run fine. But 
other times I would have to exit JBuilder, delete the jar file, 
recreate a new one b4 it would work. What is causing this & how do I 
fix it ??
-- 
Alvin Randolph 
Re: Corrupt Zip File
#125
Author: Paul Nichols [TeamB]
Date: Tue, 04 Sep 2007 15:32
23 lines
1950 bytes
Alvin Randolph wrote:
> Hello:
>  I created a jar file made up of several class files from package 
> Importlib so I can import them to another package. Everytime I made a 
> change to one of the Importlib files. I created the jar file with
> 
> jar cvfm importest.jar manifest.txt importlib.*
> 
> This appeared to work, but after about 3 or 4 recreations I sometime got 
> a JBuilder6 error message
> 
> Cannot access class Outerclass; java.io.IOException: zip file is 
> corrupted ....
> 
> Sometimes I could run the jar command again and it would run fine. But 
> other times I would have to exit JBuilder, delete the jar file, recreate 
> a new one b4 it would work. What is causing this & how do I fix it ??

I have noticed that on Windows, when you overwrite a file, it either (1) 
Does not overwrite or (2) becomes corrupted. So your problem may not be 
a JB problem, but a Windows problem.

If you are doing this via a Unix/Linux OS, please tell us which one.
Re: Corrupt Zip File
#126
Author: Alvin Randolph
Date: Wed, 05 Sep 2007 02:28
41 lines
2633 bytes
"Paul Nichols [TeamB]" <paul@none.com> wrote in message 
news:46dd7a87$1@newsgroups.borland.com...
> Alvin Randolph wrote:
>> Hello:
>>  I created a jar file made up of several class files from package 
>> Importlib so I can import them to another package. Everytime I made 
>> a change to one of the Importlib files. I created the jar file with
>>
>> jar cvfm importest.jar manifest.txt importlib.*
>>
>> This appeared to work, but after about 3 or 4 recreations I 
>> sometime got a JBuilder6 error message
>>
>> Cannot access class Outerclass; java.io.IOException: zip file is 
>> corrupted ....
>>
>> Sometimes I could run the jar command again and it would run fine. 
>> But other times I would have to exit JBuilder, delete the jar file, 
>> recreate a new one b4 it would work. What is causing this & how do 
>> I fix it ??
>
> I have noticed that on Windows, when you overwrite a file, it either 
> (1) Does not overwrite or (2) becomes corrupted. So your problem may 
> not be a JB problem, but a Windows problem.
>
> If you are doing this via a Unix/Linux OS, please tell us which one.

I am using Windows XP with JBuilder6.

I've also noticed that when I tried to run a jar file (java -cp 
path -jar
... ) after having recreating 3 or 4 times, it didn't run. When I did 
a
table listing of the jar file (jar tf ...), the the class containing 
the
main method had changed from what I gave in the manifest file.

Thanks for the assistance.

                                           Alvin R.
Re: Corrupt Zip File
#127
Author: Paul Nichols [TeamB]
Date: Wed, 05 Sep 2007 05:32
33 lines
2479 bytes
Alvin Randolph wrote:
> 
> "Paul Nichols [TeamB]" <paul@none.com> wrote in message 
> news:46dd7a87$1@newsgroups.borland.com...
>> Alvin Randolph wrote:
>>> Hello:
>>>  I created a jar file made up of several class files from package 
>>> Importlib so I can import them to another package. Everytime I made a 
>>> change to one of the Importlib files. I created the jar file with
>>>
>>> jar cvfm importest.jar manifest.txt importlib.*
>>>
>>> This appeared to work, but after about 3 or 4 recreations I sometime 
>>> got a JBuilder6 error message
>>>
>
>> I have noticed that on Windows, when you overwrite a file, it either 
>> (1) Does not overwrite or (2) becomes corrupted. So your problem may 
>> not be a JB problem, but a Windows problem.
>>

> I am using Windows XP with JBuilder6.
> 
> I've also noticed that when I tried to run a jar file (java -cp path -jar
> ... ) after having recreating 3 or 4 times, it didn't run. When I did a
> table listing of the jar file (jar tf ...), the the class containing the
> main method had changed from what I gave in the manifest file.
> 
Try deleting the current jar before you build a new one, or rename the 
current jar file. See if that doesn't solve your problems.

I have had this happen several times on Windows, not just with jar files 
either. Any compression algorithm seems to manifest this Windows bug.
Re: Corrupt Zip File
#128
Author: David Orriss Jr [TeamB]
Date: Sun, 09 Sep 2007 23:50
21 lines
2413 bytes
In article <46de1457$1@newsgroups.borland.com>,
 "Alvin Randolph" <a.g.randolph@worldnet.att.net> wrote:

> I am using Windows XP with JBuilder6.

Running a virus scanner by any chance?

I've seen this happen when scanners on running.
-- 
David Orriss Jr. [TeamB]
http://www.codethought.com
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