in reply to Java module

The latest release of the Java module is 9 years old. It doesn't seem to be actively maintained any more (there are bugs on its bug tracker eight years old without any action on them), and seems to fail its own test suite on all platforms consistently.

I'd recommend trying Inline::Java instead which is more actively maintained (though the last release is still more than 2 years old). Yes, it has some pretty long-running bugs too, but at least the module maintainer seems to be taking action against some of them (most are marked open and have replies from the maintainer). It is well reviewed, and people seem to be using it (including me), unlike the Java module.

package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name

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Re^2: Java module
by parthi7 (Initiate) on Feb 16, 2013 at 22:09 UTC
    Hi tobyink

    Thanks for the comments.
    I have Inline::C module installed in my system.

    Despite the environment variables $JAVA_HOME and $PERL_INLINE_JAVA_J2SDK are set properly, I couldn't be able to install Inline::Java
    I wonder why it doesn't recognize JAVA_HOME?

    Please see the following logs.
    $ perl -e '
while(my($k, $v) =each(%ENV)) {
print "$k\t$v\n" if $k =~ /J/;
}
'
JAVA_HOME    /usr/lib/jvm/default-java
PERL_INLINE_JAVA_J2SDK    /usr/lib/jvm/java-6-openjdk-i386


$ $JAVA_HOME/bin/java -version
java version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.5) (6b24-1.11.5-0ubuntu1~12
+.04.1)
OpenJDK Server VM (build 20.0-b12, mixed mode)


$ $PERL_INLINE_JAVA_J2SDK/bin/java -version
java version "1.6.0_24"
OpenJDK Runtime Environment (IcedTea6 1.11.5) (6b24-1.11.5-0ubuntu1~12
+.04.1)
OpenJDK Server VM (build 20.0-b12, mixed mode)


$ sudo cpan Inline::Java
CPAN: Storable loaded ok (v2.27)
Reading '/home/parthiban/.local/share/.cpan/Metadata'
  Database was generated on Sat, 16 Feb 2013 01:07:21 GMT
Running install for module 'Inline::Java'
Running make for P/PA/PATL/Inline-Java-0.53.tar.gz
CPAN: Digest::SHA loaded ok (v5.61)
CPAN: Compress::Zlib loaded ok (v2.033)
Checksum for /home/parthiban/.local/share/.cpan/sources/authors/id/P/P
+A/PATL/Inline-Java-0.53.tar.gz ok
CPAN: File::Temp loaded ok (v0.22)
CPAN: Parse::CPAN::Meta loaded ok (v1.4404)
CPAN: CPAN::Meta loaded ok (v2.120921)

  CPAN.pm: Building P/PA/PATL/Inline-Java-0.53.tar.gz

CPAN: CPAN::Reporter loaded ok (v1.2009)

Welcome to the Inline::Java installation procedure.

A Java 2 SDK is required to install and use Inline::Java. Please 
specify your Java 2 SDK installation directory using the J2SDK 
option to Makefile.PL as such:

    perl Makefile.PL J2SDK=/path/to/your/j2sdk/installation

You can set the JAVA_HOME environment variable to specify your
Java 2 SDK installation directory. For example, if you are using
the CPAN installer you can do:

    JAVA_HOME=/path/to/your/j2sdk/installation cpan Inline::Java
(/usr/bin/perl Makefile.PL INSTALLDIRS=site exited with 256)
CPAN::Reporter: Makefile.PL result is 'unknown', Stopped with an error
+.
CPAN::Reporter: preparing a CPAN Testers report for Inline-Java-0.53
Do you want to review or edit the test report? (yes/no) [no] 
Do you want to send the report? (yes/no) [yes] no
CPAN::Reporter: test report will not be sent
Warning: No success on command[/usr/bin/perl Makefile.PL INSTALLDIRS=s
+ite]
CPAN: YAML loaded ok (v0.77)
  PATL/Inline-Java-0.53.tar.gz
  /usr/bin/perl Makefile.PL INSTALLDIRS=site -- NOT OK
Running make test
  Make had some problems, won't test
Running make install
  Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determi
+ne prerequisites

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