From 9a4aa7b4fbe9b9a59271bd5a49487a0c5f4b2300 Mon Sep 17 00:00:00 2001
From: alexz <me@alexzaw.dev>
Date: Tue, 27 Oct 2026 17:00:48 -0400
Subject: [PATCH] Use the server's jt400 (provided) instead of bundling it

Bundle-free jt400 21.0.6, loaded from the IAS shared library
IntegratedWebServicesLibs (/QIBM/ProdData/OS400/jt400/lib/jt400Native.jar).
A JVM lets only one classloader own jt400's native library; FetchAPI's bundled
jt400-10.7 claimed it and broke webaccess login on ERPAPIS with
UnsatisfiedLinkError AS400ImplNative.swapToNative.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 pom.xml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index c6ae9c7..c176df5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,16 +15,20 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <poi.version>5.2.3</poi.version>
-        <jt400.version>10.7</jt400.version>
+        <!-- Same JTOpen as /QIBM/ProdData/OS400/jt400/lib/jt400Native.jar on the server. -->
+        <jt400.version>21.0.6</jt400.version>
         <json.version>20231013</json.version>
         <servlet.version>4.0.1</servlet.version>
     </properties>
 
     <dependencies>
+        <!-- Provided by IAS (ERPAPIS server.xml: classloader commonLibraryRef="IntegratedWebServicesLibs").
+             Only one classloader per JVM may own jt400's native library, so it must not be bundled. -->
         <dependency>
             <groupId>net.sf.jt400</groupId>
             <artifactId>jt400</artifactId>
             <version>${jt400.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>