java bindings 1.0.0 - jni.h not found

Hi all,

I am new to Xapian and want to use it with Java. In order to
do that I tried
to compile the Java bindings. I set XAPIAN_CONFIG and
invoked "configure".
However "./configure --with-java" exits with an
error.

Point of failure:
  checking for jni.h... no
  checking for jni.h in
/usr/lib/jvm/java-1.5.0-sun/include... no
  checking for jni.h in /usr/lib/jvm/java-gcj/include... no
  checking for jni.h in
/System/Library/Frameworks/JavaVM.framework/Headers... no
  configure: error: jni.h not found

Note that I have added JAVA_HOME to my path and if I look
into the directory
"/usr/lib/jvm/java-1.5.0-sun/include" there is a
"jni.h" file - This
directory does not appear if I don't set JAVA_HOME.

Next I tried to set the variable JNI_INCLUDE_DIR. No effect
at all.

The script claims to look in the proper location, but
doesn't find anything.

OS: Ubuntu 7.04
gcc/g++: Ubuntu 4.1.2-0ubuntu4 (gcc/g++ version 4.1.2 as
ubuntu package)

Any ideas?


Cheers,

Martin
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On Wed, May 30, 2007 at 05:28:48PM +0200, Martin Kuen
wrote:

> Note that I have added JAVA_HOME to my path and if I
look into the
> directory
"/usr/lib/jvm/java-1.5.0-sun/include" there is a
"jni.h"
> file - This directory does not appear if I don't set
JAVA_HOME.

Erm... JAVA_HOME needs to be added to your *environment*,
not your
path...

J

-- 
/-----------------------------------------------------------
---------------
  James Aylett                                              
   xapian.org
  jamestartarus.org                              
uncertaintydivision.org

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On Wed, 2007-05-30 at 16:32 +0100, James Aylett wrote:
> On Wed, May 30, 2007 at 05:28:48PM +0200, Martin Kuen
wrote:
> 
> > Note that I have added JAVA_HOME to my path and if
I look into the
> > directory
"/usr/lib/jvm/java-1.5.0-sun/include" there is a
"jni.h"
> > file - This directory does not appear if I don't
set JAVA_HOME.
> 
> Erm... JAVA_HOME needs to be added to your
*environment*, not your
> path...

And - more on topic - did you install 'sun-java5-jdk'?
That's the packet
that provides this file ...

HTH Ralf Mattes
> J
> 


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Hi again,

ok - for clarification:

1. "add JAVA_HOME to my path": yes I added it to
my *environment* - wrong
terminology, my fault

2. java-package: yes, the (ubuntu-packaged) jdk is
installed

cu,

Martin

On 5/30/07, Martin Kuen <martin.kuengmail.com> wrote:
>
> Hi all,
>
> I am new to Xapian and want to use it with Java. In
order to do that I
> tried to compile the Java bindings. I set XAPIAN_CONFIG
and invoked
> "configure". However "./configure
--with-java" exits with an error.
>
> Point of failure:
>   checking for jni.h... no
>   checking for jni.h in
/usr/lib/jvm/java-1.5.0-sun/include... no
>   checking for jni.h in
/usr/lib/jvm/java-gcj/include... no
>   checking for jni.h in
> /System/Library/Frameworks/JavaVM.framework/Headers...
no
>   configure: error: jni.h not found
>
> Note that I have added JAVA_HOME to my path and if I
look into the
> directory
"/usr/lib/jvm/java-1.5.0-sun/include" there is a
"jni.h" file -
> This directory does not appear if I don't set
JAVA_HOME.
>
> Next I tried to set the variable JNI_INCLUDE_DIR. No
effect at all.
>
> The script claims to look in the proper location, but
doesn't find
> anything.
>
> OS: Ubuntu 7.04
> gcc/g++: Ubuntu 4.1.2-0ubuntu4 (gcc/g++ version 4.1.2
as ubuntu package)
>
> Any ideas?
>
>
> Cheers,
>
> Martin
>
>
>
>
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On Wed, May 30, 2007 at 05:57:54PM +0200, Martin Kuen
wrote:

> 1. "add JAVA_HOME to my path": yes I added it
to my *environment* - wrong
> terminology, my fault

Cool. What does echo $JAVA_HOME say?

J

-- 
/-----------------------------------------------------------
---------------
  James Aylett                                              
   xapian.org
  jamestartarus.org                              
uncertaintydivision.org

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bvOn Wed, 2007-05-30 at 17:57 +0200, Martin Kuen wrote:
> Hi again,
> 
> ok - for clarification:
> 
> 1. "add JAVA_HOME to my path": yes I added it
to my *environment* - wrong
> terminology, my fault
> 
> 2. java-package: yes, the (ubuntu-packaged) jdk is
installed

Ah - just checked locally (don't use java that much):
% dpkg -L sun-java5-jdk |grep jni.h
 /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/include/jni.h

Hmm - looks like the configure script looksin the wrong
place. As a
quick fix you might try to link
/usr/lib/jvm/java-1.5.0-sun-1.5.0.11/
to /usr/lib/jvm/java-1.5.0-sun/

 Cheers, RalfD
 	
> cu,
> 
> Martin
> 
> On 5/30/07, Martin Kuen <martin.kuengmail.com> wrote:
> >
> > Hi all,
> >
> > I am new to Xapian and want to use it with Java.
In order to do that I
> > tried to compile the Java bindings. I set
XAPIAN_CONFIG and invoked
> > "configure". However "./configure
--with-java" exits with an error.
> >
> > Point of failure:
> >   checking for jni.h... no
> >   checking for jni.h in
/usr/lib/jvm/java-1.5.0-sun/include... no
> >   checking for jni.h in
/usr/lib/jvm/java-gcj/include... no
> >   checking for jni.h in
> >
/System/Library/Frameworks/JavaVM.framework/Headers... no
> >   configure: error: jni.h not found
> >
> > Note that I have added JAVA_HOME to my path and if
I look into the
> > directory
"/usr/lib/jvm/java-1.5.0-sun/include" there is a
"jni.h" file -
> > This directory does not appear if I don't set
JAVA_HOME.
> >
> > Next I tried to set the variable JNI_INCLUDE_DIR.
No effect at all.
> >
> > The script claims to look in the proper location,
but doesn't find
> > anything.
> >
> > OS: Ubuntu 7.04
> > gcc/g++: Ubuntu 4.1.2-0ubuntu4 (gcc/g++ version
4.1.2 as ubuntu package)
> >
> > Any ideas?
> >
> >
> > Cheers,
> >
> > Martin
> >
> >
> >
> >
> _______________________________________________
> Xapian-discuss mailing list
> Xapian-discusslists.xapian.org
> http://lists.xapian.org/mailman/listinfo/xapian-discuss


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$JAVA_HOME says:

"/usr/lib/jvm/java-1.5.0-sun"

 which is a link to  "./java-1.5.0-sun-1.5.0.11"
I tried to set JAVA_HOME to the real directory as well. No
change.


Martin

On 5/30/07, James Aylett <james-xapiantartarus.org> wrote:
>
> On Wed, May 30, 2007 at 05:57:54PM +0200, Martin Kuen
wrote:
>
> > 1. "add JAVA_HOME to my path": yes I
added it to my *environment* -
> wrong
> > terminology, my fault
>
> Cool. What does echo $JAVA_HOME say?
>
> J
>
> --
>
>
/-----------------------------------------------------------
---------------
>   James Aylett                                         
        xapian.org
>   jamestartarus.org                              
uncertaintydivision.org
>
> _______________________________________________
> Xapian-discuss mailing list
> Xapian-discusslists.xapian.org
> http://lists.xapian.org/mailman/listinfo/xapian-discuss
>
_______________________________________________
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On Wed, May 30, 2007 at 06:36:54PM +0200, Martin Kuen
wrote:

> $JAVA_HOME says:
> 
> "/usr/lib/jvm/java-1.5.0-sun"
> 
> which is a link to 
"./java-1.5.0-sun-1.5.0.11"
> I tried to set JAVA_HOME to the real directory as well.
No change.

Okay, if you're getting to jni.h then JAVA_HOME is fine. The
problem
may be a compilation failure, rather than that the file is
missing. If
you look in config.log, it may contain more information
about the
failure.

J

-- 
/-----------------------------------------------------------
---------------
  James Aylett                                              
   xapian.org
  jamestartarus.org                              
uncertaintydivision.org

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On Wed, 2007-05-30 at 18:36 +0200, Martin Kuen wrote:
> $JAVA_HOME says:
> 
> "/usr/lib/jvm/java-1.5.0-sun"
> 
>  which is a link to 
"./java-1.5.0-sun-1.5.0.11"
> I tried to set JAVA_HOME to the real directory as well.
No change.

Well - the question then is: what does 'locate jni.h' say?
It _should_ be there - according to dpkg.

Cheers, RalfD

> 
> Martin
> 
> On 5/30/07, James Aylett <james-xapiantartarus.org> wrote:
> >
> > On Wed, May 30, 2007 at 05:57:54PM +0200, Martin
Kuen wrote:
> >
> > > 1. "add JAVA_HOME to my path": yes
I added it to my *environment* -
> > wrong
> > > terminology, my fault
> >
> > Cool. What does echo $JAVA_HOME say?
> >
> > J
> >
> > --
> >
> >
/-----------------------------------------------------------
---------------
> >   James Aylett                                    
             xapian.org
> >   jamestartarus.org                              
uncertaintydivision.org
> >
> > _______________________________________________
> > Xapian-discuss mailing list
> > Xapian-discusslists.xapian.org
> > http://lists.xapian.org/mailman/listinfo/xapian-discuss
> >
> _______________________________________________
> Xapian-discuss mailing list
> Xapian-discusslists.xapian.org
> http://lists.xapian.org/mailman/listinfo/xapian-discuss


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On Wed, May 30, 2007 at 05:28:48PM +0200, Martin Kuen
wrote:
> Point of failure:
>  checking for jni.h... no
>  checking for jni.h in
/usr/lib/jvm/java-1.5.0-sun/include... no
>  checking for jni.h in /usr/lib/jvm/java-gcj/include...
no
>  checking for jni.h in
> /System/Library/Frameworks/JavaVM.framework/Headers...
no
>  configure: error: jni.h not found
> 
> Note that I have added JAVA_HOME to my path and if I
look into the directory
> "/usr/lib/jvm/java-1.5.0-sun/include" there
is a "jni.h" file - This
> directory does not appear if I don't set JAVA_HOME.

As James says, config.log should show why this jni.h isn't
being picked
up.  The test just tries to compile:

#include <jni.h>

> Next I tried to set the variable JNI_INCLUDE_DIR. No
effect at all.

JNI_INCLUDE_DIR is never actually used!  I'll fix that, but
the problem
here seems to be the test for jni.h.

> OS: Ubuntu 7.04
> gcc/g++: Ubuntu 4.1.2-0ubuntu4 (gcc/g++ version 4.1.2
as ubuntu package)

That's what I'm using, so if it's not obvious what's up from
config.log
I can investigate.

Cheers,
    Olly

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