EclipseJDO / Discussion / Help: enhancer end with error

Fabrizio Fabbri - 2003-08-19

I have a class that persist.
Edit metadata first time and it's OK.
But if I open metadata change sometime and save eclipse ask me to rebuil.
I select "ok" and :

2003-08-19 10:36:29 Enhancement ends withs errors
IO Error while enhancing: pippo/*.class (No such file or directory)
java.io.FileNotFoundException: pippo/*.class (No such file or directory)
    at java.io.FileInputStream.open(Native Method)
    at java.io.FileInputStream.<init>(FileInputStream.java:103)
    at com.sun.jdori.enhancer.Main.openFileInputStream(Unknown Source)
    at com.sun.jdori.enhancer.Main.enhanceInputFiles(Unknown Source)
    at com.sun.jdori.enhancer.Main.process(Unknown Source)
    at com.sun.jdori.enhancer.Main.main(Unknown Source)

---------------
If I open the class I persist modify (like add a blanck space) and save, enancher run and :

2003-08-19 10:38:13 Enhancement succeed

bix

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- Yves YANG - 2003-08-19
  
  Is pippo a package ?
  Does it contain some classes ?
  
  I guess it is empty.
  
  yves yang
  
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- Fabrizio Fabbri - 2003-08-19
  
  no its not empty
  
  ~/workspace/caz/bin/pippo>
  
  -rw-r--r-- 1 fbix users 2141 2003-08-19 11:02 PersonPersister.class
  -rw-r--r-- 1 fbix users 6430 2003-08-19 11:02 Pippo.class
  
  I must force a rebuild of class pippo do enhance correctly, but the class file pippo exist.
  
  bix
  
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  - Xiao-Ta Huang - 2003-08-19
    
    Actually your metadata file pippo.jdo MUST BE in the same repository than pippo.java. (caz/src).
    
    Did u create the metadata with eclipsejdo wizard (file/new/others/jdo/metadata file) ?
    
    xiaota
    
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    - Fabrizio Fabbri - 2003-08-19
      
      yes
      
      bix
      
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      - Xiao-Ta Huang - 2003-08-19
        
        It is a little bit strange that the wizard didn't put the metadata in the right repository, unless u don't use the alpha fix version. I use this eclipsejdo feature almost every day and i ve met no probleme with it.
        
        Otherwise, i hope your probleme got away.
        
        xiaota
        
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- Yves YANG - 2003-08-19
  
  Could you send me a testcase ? I need test it.
  
  yves yang
  
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- Fabrizio Fabbri - 2003-08-19
  
  Yes I can send but what fille I must send to you?
  
  All the test project zipped?
  
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  - Yves YANG - 2003-08-19
    
    Yes, that's helpful !
    
    Yves YANG
    
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- Xiao-Ta Huang - 2003-08-19
  
  hi fbix,
  Look at the enhancer run configuration of your jdo project (run.../JDO_GLAXXX_Enhancement/(x)=Arguments). Verify that they are no metadata file that not exist in the program arguments nor declared packages that not exist.
  
  xiaota
  
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- Fabrizio Fabbri - 2003-08-19
  
  -v pippo/PersonPersister.class pippo/Pippo.class /home/fbix/workspace/caz/src/pippo.jdo
  
  this is the arg.
  
  I think it's correct.
  
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- Fabrizio Fabbri - 2003-08-19
  
  The error look like a problem with version build.
  
  If i modify metadata but not the class, eclipse don't recompile the .class so is like the enancher not found a new version of .class to enhance and tell no file.
  If I force a eclipse source recompile the enhanche start and find a new version of file and enhance it.
  
  bix
  
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- Yves YANG - 2003-08-19
  
  I mean the entire project.
  
  yves yang
  
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- Fabrizio Fabbri - 2003-08-19
  
  To reproduce error try this:
  
  - Open project caz
  - Open pippo.jdo
  - Change some on metadata for example some key or persistance checkbox on attibute "nome" on class Pippo
  - CTRL+s to save
  - Confirm OK
  
  Can you see the error
  2003-08-19 15:10:56 Enhancement ends withs errors
  IO Error while enhancing: pippo/*.class (No such file or directory)
  
  but on bin/pippo can you find Pippo.class
  
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- Fabrizio Fabbri - 2003-08-19
  
  this is a bug or my fault ?
  
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- Yves YANG - 2003-08-19
  
  I didn't make any tests yet. I'm pretty sure it is relative to TJDO enhancer, which doesn't take the current working location into consideration.
  
  yves yang
  
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- Fabrizio Fabbri - 2003-08-19
  
  In the test I use the Sun enhancer embedded on eclipsejdo plugins.
  TJDO not have develpped a anhancer they wrap around the Sun Reference Enhancer, but for my configuratione and test I use directly the Sun enhancer.
  
  bix
  
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- Fabrizio Fabbri - 2003-08-20
  
  I installed last version 9.4, I continue to have problem with auto enhancer.
  I've try with the Sun Reference the .log is:
  !ENTRY com.versant.eclipse.jdo 1 0 ago 20, 2003 16:25:22.97
  !MESSAGE Project caz will be enhanced with
  -v   pippo/*.class    /home/fbix/workspace/caz/src/pippo.jdo
  additional jars :
  /home/fbix/eclipse/plugins/com.versant.eclipse.jdo_0.9.4/jdo.jar
  /home/fbix/Development/java/jdo/pg73b1jdbc3.jar
  
  !ENTRY com.versant.eclipse.jdo 4 0 ago 20, 2003 16:25:23.192
  !MESSAGE Enhancement ends withs errors
  IO Error while enhancing: pippo/*.class (No such file or directory)
  java.io.FileNotFoundException: pippo/*.class (No such file or directory)
          at java.io.FileInputStream.open(Native Method)
          at java.io.FileInputStream.<init>(FileInputStream.java:103)
          at com.sun.jdori.enhancer.Main.openFileInputStream(Unknown Source)
          at com.sun.jdori.enhancer.Main.enhanceInputFiles(Unknown Source)
          at com.sun.jdori.enhancer.Main.process(Unknown Source)
          at com.sun.jdori.enhancer.Main.main(Unknown Source)
  
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  - Xiao-Ta Huang - 2003-08-21
    
    Until now, i work with eclipsejdo under windows os and it works fine. However it seems the enhancement feature doesn't work fully under linux os. I got the same error msg under linux. Thus it is a bug that should be fixed.
    
    xiaota
    
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