Re: [jnc-users] Reference not found

[Marco T. <mt...@gm...>]

Marco Trudel wrote:
> -------- Original-Nachricht --------
> Datum: Fri, 30 Mar 2007 03:04:07 -0700 (PDT)
> Von: Jerome Benezech <jbe...@ya...>
> An: Marco Trudel <mt...@gm...>, jbe...@bi...
> CC: jav...@li...
> Betreff: Re: [jnc-users] Reference not found
> 
>> Thanks Marco for your very quick replied.
>>   I use JNC 1.1.1.

Had another idea about the "error: cannot find file for class 
javax.management.MBeanRegistration" problem:
You said you use JNC 1.1.1 and GCJ 4.2. So you probably took GCJ 4.2 
from somewhere else and copied some files to made the JNC GUI work and 
don't get the Demo alert, right?
Well, that's more or less ok with me, but you really should mention if 
you do something like that. Otherwise I start wondering why things don't 
work which really should. JNC 1.1.1 comes with GCJ 4.3 which seems to 
have support for the javax.management.MBean* classes. So, using 
"-findirect-dispatch" is in general a bad idea and you should update 
your GCJ.
Also I can only support my official releases. What happens if you work 
with GCJ 4.3? It would be good if you could add all your jars (not the 
big one) and compile them completely to check if compilation works at 
all. Later, you still can try to minimize the binary...
Never solve two unrelated problems at once ;-)


Marco


>>   So I tried to put all the external jars into 1 single jar and now get
>> problems with log4J:
> 
> That's bad. It means that you need an API that doesn't yet exist respectively is not complete. There has been a lot of work on javax.management lately, so it might work with the current GCJ trunk.
> But of course that is no help right know. Try adding "-findirect-dispatch" as custom GCJ flag and hope you don't need the missing class at runtime.
> Another thing that you might try is to remove the log4j jar from the compilation. I think log4j comes with GCJ/GNU classpath already.
> 
> 
> Marco
> 
>>   creating "UpdateLauncher.exe" for Windows
>> - processing AdCafeLibs.jar
>>  [D:\Software\Programming\gcc-119844-win\bin\gcj
>>   -fjni
>>   -O2
>>   -Ilibs/win/gui/gui.jar
>>   -c
>>   C:\MesDocuments\_dev\CocoonWorkspace\NewCafeClient\lib\AdCafeLibs.jar
>>   -o
>>  
>> C:\MesDocuments\_dev\CocoonWorkspace\NewCafeClient\lib\AdCafeLibs-win.jar.o
>>  
>> -IC:\MesDocuments\_dev\CocoonWorkspace\NewCafeClient\distribution\AdCafe-updater.jar]
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanRegistration
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanRegistration
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanRegistration
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanServer
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanServer
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanServer
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanRegistration
>>  org/apache/log4j/jmx/AbstractDynamicMBean.java:0: error: cannot find file
>> for class javax.management.MBeanRegistration
>>  org/apache/log4j/jmx/Agent.java: In class 'org.apache.log4j.jmx.Agent':
>>  org/apache/log4j/jmx/Agent.java: In method
>> 'org.apache.log4j.jmx.Agent.start()':
>>  org/apache/log4j/jmx/Agent.java:0: error: cannot find file for class
>> com.sun.jdmk.comm.HtmlAdaptorServer
>>  org/apache/log4j/jmx/Agent.java:0: confused by earlier errors, bailing
>> out
>>   failed...
>>   
>>
>> Marco Trudel <mt...@gm...> wrote:
>>   Jerome Benezech wrote:
>>> Hi all,
>>>
>>> I tried to compile my java (1.5) project into a Win32 (XP) executable 
>>> and get the error listed below. I compile a jar file with a main class 
>>> that references other jar files (of my project or external like log4J). 
>>> I use GCJ 4.2.0.
>> Which JNC version?
>>
>>
>>> Any idea my this does not work ?
>> Probably because you set most jars to only import needed references. 
>> With multiple jars, there will probably occur linking problems.
>> Technical explanation: This creates archives from your jars. At the 
>> linking step, some jars might need objects from an archive which has 
>> already been processed. So you get the missing references because the 
>> objects can no longer be found/imported.
>> This is already in my todo list...
>>
>> What you can do about it:
>> - Extract all jars into a dir and create a new jar from this dir. That's 
>> what I usually do.
>> - Compile the complete jars.
>>
>>
>>> creating "UpdateLauncher.exe" for Windows
>>> [snip]
>>> - processing jdic-native.jar
>>> Warning: Nothing imported, JAR unused!
>> I guess this jar needs to be compiled completely?!
>>
>>
>> Hope that helps
>> Marco
>>
>>
>>
>> Jerome Benezech
>> jbe...@ya...
>