JRuby on AIX 5.3 fully supported?

Hello,

For some scripting project (mostly DB-access via JDBC,calling Oracle
SQL+PL/SQL)
on AIX 5.3 I am trying to decide between Jython 2.5 and JRuby 1.4.
My personal preference would probably be JRuby, but I have a little
worry
that JRuby is not fully supported on AIX, because the native
libraries (ffi,jni…) for AIX are missing.

My tests so far (calling SQL queries and stored procedures) have been
just fine,
but maybe I am missing something. Does anybody know of some issues with
JRuby
on AIX?

thanks in advance,

-klaus

Hi,

I do not know specifically about AIX but in general if you will
only do DB access and stuff that java can do you are safe.

I am using it on windows for similar purposes and to deploy an app for
a client and have not had any problems.

regards

On Wed, Mar 10, 2010 at 11:33, Klaus M. [email protected] wrote:

My tests so far (calling SQL queries and stored procedures) have been


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On Wed, Mar 10, 2010 at 11:54, Federico S. [email protected]
wrote:

Hi,

 I do not know specifically about AIX but in general if you will
only do DB access and stuff that java can do you are safe.

I am using it on windows for similar purposes and to deploy an app for
a client and have not had any problems.

I mean, I never needed jni nor ffi.

worry


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On Wed, Mar 10, 2010 at 7:33 AM, Klaus M. [email protected] wrote:

My tests so far (calling SQL queries and stored procedures) have been
just fine,
but maybe I am missing something. Does anybody know of some issues with
JRuby
on AIX?

Ther’s no outstanding issues for AIX that I know of, and we do
actually ship a jffi library (which is our only major native
dependency) for ppc-AIX. So I think you’ll probably be fine.

If you’re using AIX on something other than PPC, you could always
build the binary and contribute it back :slight_smile:

  • Charlie

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Ther’s no outstanding issues for AIX that I know of, and we do
actually ship a jffi library (which is our only major native
dependency) for ppc-AIX. So I think you’ll probably be fine.

If you’re using AIX on something other than PPC, you could always
build the binary and contribute it back :slight_smile:

Hi,

thanks for the response. So far, my experiences have been just fine, the
only
minor problem that I had, was that I had to remove the Options
“$JAVA_JNA”,"$JFFI_OPTS" from the java call at the end of the jruby
wrapper
shell script in order to load the oracle jdbc-Driver, otherwise an
“unsuitable Driver” Error occured.

regards,

-klaus momberger

On Mon, Mar 15, 2010 at 10:21 AM, Klaus M. [email protected] wrote:

thanks for the response. So far, my experiences have been just fine, the
only
minor problem that I had, was that I had to remove the Options
“$JAVA_JNA”,"$JFFI_OPTS" from the java call at the end of the jruby
wrapper
shell script in order to load the oracle jdbc-Driver, otherwise an
“unsuitable Driver” Error occured.

Interesting. Can you post the full error, and possibly file a bug for
it? Ideally our JNA/JFFI stuff shouldn’t be interfering with a JDBC
driver, but I’d like to see the problem anyway. My guess is that the
driver you’re using has native code and our paths screw up loading
that code.

  • Charlie

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On Tue, Mar 16, 2010 at 4:37 AM, Klaus M. [email protected] wrote:

ppc-32,…)
using the Oracle thin driver classes12.jar that comes with Oracle
10.2.0.4.0.

When I remove the -Xbootclasspath, the connect is fine.

That makes a bit more sense. The bootclasspath line is purely to
improve startup by allowing jruby’s own classes to skip verification
(since ideally we’ll have verified them a thousand times during
testing, and most come right out of javac itself). Removing it doesn’t
hurt anything, but it’s also not surprising that having it there
monkeys with the loading of JDBC drivers. No worries, either way…

  • Charlie

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Charles Nutter wrote:

No worries, either way…

  • Charlie

thanks for the reply, I didn’t know that, maybe it is helpful to others
too.

-klaus

Charles Nutter wrote:

Interesting. Can you post the full error, and possibly file a bug for
it? Ideally our JNA/JFFI stuff shouldn’t be interfering with a JDBC
driver, but I’d like to see the problem anyway. My guess is that the
driver you’re using has native code and our paths screw up loading
that code.

  • Charlie

Correcting myself, it was the -Xbootclasspath/a:"$JRUBY_CP" Option that
made
the difference. In my environment, JRUBY_CP points at
jruby-1.4.0/lib/jruby.jar and jruby-1.4.0/lib/bsf.jar. I am getting :

java/sql/DriverManager.java:582:in getConnection': java.sql.SQLException: No suitable driver (NativeException) from java/sql/DriverManager.java:186:ingetConnection’

This is on AIX 5.3, IBM J9 VM (build 2.3, J2RE 1.5.0 IBM J9 2.3 AIX
ppc-32,…)
using the Oracle thin driver classes12.jar that comes with Oracle
10.2.0.4.0.

When I remove the -Xbootclasspath, the connect is fine.

-klaus

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