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Date: Tue, 06 Oct 2009 05:15:36 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: gcc4-java: ecj1 not working
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Yaakov (Cygwin/X) wrote:

> With gcc4-java 4.3.4-1:
> 
> $ gcj-4 -C HelloWorld.java
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org.eclipse.jdt.internal.compiler.batch.GCCMain
>    at gnu.java.lang.MainThread.run(Unknown Source)
> Caused by: java.lang.ClassNotFoundException:
> org.eclipse.jdt.internal.compiler.batch.GCCMain not found in
> gnu.gcj.runtime.SystemClassLoader{urls=[],
> parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
>    at java.net.URLClassLoader.findClass(Unknown Source)
>    at java.lang.ClassLoader.loadClass(Unknown Source)
>    at java.lang.ClassLoader.loadClass(Unknown Source)
>    at gnu.java.lang.MainThread.run(Unknown Source)

  WFM:

admin AT ubik /tmp/java/test
$ ls
Hello.java

admin AT ubik /tmp/java/test
$ ls -la
total 5
drwxr-xr-x 1 DKAdmin None    0 Oct  6 05:09 .
drwxr-xr-x 1 DKAdmin None 4096 Oct  6 05:09 ..
-rw-r--r-- 1 DKAdmin None  134 Oct  6 05:09 Hello.java

admin AT ubik /tmp/java/test
$ gcj-4 -C Hello.java

admin AT ubik /tmp/java/test
$ echo $?
0

admin AT ubik /tmp/java/test
$ ls -la
total 6
drwxr-xr-x 1 DKAdmin None    0 Oct  6 05:10 .
drwxr-xr-x 1 DKAdmin None 4096 Oct  6 05:09 ..
-rw-r--r-- 1 DKAdmin None  416 Oct  6 05:10 Hello.class
-rw-r--r-- 1 DKAdmin None  134 Oct  6 05:09 Hello.java

> OTOH:
> 
> $ gij-4 -jar ecj-4.3.jar HelloWorld.java

  Hmmmm:

$ gij-4 -jar ecj-4.3.jar HelloWorld.java
Failed to load Main-Class manifest attribute from ecj-4.3.jar

admin AT ubik /tmp/java/test
$

  Do we have the same latest ecj?

$ md5sum /usr/share/java/ecj-4.3.jar
fd299f26c02268878b5d6c0e86f57c43 */usr/share/java/ecj-4.3.jar

    cheers,
      DaveK


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