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strange WO4.5.1/Solaris9 problem
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strange WO4.5.1/Solaris9 problem


  • Subject: strange WO4.5.1/Solaris9 problem
  • From: Patrick Robinson <email@hidden>
  • Date: Thu, 29 Jul 2004 11:41:18 -0400

Here's one for the archives, in case anyone else should run into the same situation.

We still have a few WO4.5.1 apps that were written in WebScript and/or Objective-C. They've been deployed on our Sun 280R running Solaris 9, right alongside our WO5.2.3 environment, for years.

A couple of nights ago, I installed the Solaris 9 Recommended Patch Cluster, dated 7/26/04. After I rebooted the machine, three of these old WO4.5.1 apps would not start up. They'd get as far as "Spawning 8 worker threads" and then hang.

Oddly, another couple of WO4.5.1 WebScript apps started up just fine.

I started comparing (with diff) various files between the working and non-working apps, and discovered that in Makefile.preamble of the non-working apps, there was a line that read:
#JAVA_NEEDED = YES
but the working apps didn't have that; instead, they had:
JAVA_AWARE = YES


On a whim, I tried adding JAVA_AWARE = YES to Makefile.preamble of the nonworking apps. Bingo! That fixed it. Then I tried using JAVA_NEEDED = YES instead, and that works, too.

The comment text above the variable (in both incarnations) reads:
#
# Uncomment this if you want to force the loading of the Java VM
# even if your project does not contain Java classes.
# NOTE: Add class paths for external Java packages in the
# CustomInfo.plist file
#

But that doesn't help much. These are WebScript and Objective-C apps, and they don't use java at all.

I have no idea what this variable *really* does, or how it does it, or what Solaris patch could have possibly made this necessary, but ... there y'go!

--
Patrick Robinson
AHNR Info Technology, Virginia Tech
email@hidden
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