Your message dated Mon, 16 Mar 2026 14:34:29 +0000
with message-id <[email protected]>
and subject line Bug#1130961: fixed in eclipse-jdt-core 4.30-2
has caused the Debian Bug report #1130961,
regarding /usr/share/java/eclipse-jdt-core-compiler-batch.jar: Breaks Apache
Tomcat JSP compilation for applications running on Java 17
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1130961: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130961
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libeclipse-jdt-core-compiler-batch-java
Version: 3.35.0+eclipse4.29-2
Severity: normal
File: /usr/share/java/eclipse-jdt-core-compiler-batch.jar
X-Debbugs-Cc: [email protected]
Dear Maintainer,
# Issue Description
Package: libeclipse-jdt-core-compiler-batch-java` version `3.35.0+eclipse4.29-2
Distribution: Debian 13 (Trixie)
Severity: High (breaks Java 17 applications using JSP/Jasper
Affects: All Tomcat 10 deployments on Java 17
# Inconsistency Details
MANIFEST.MF declares:
- Created-By: 21.0.4+7-Debian-3 (Debian)
- Bundle-RequiredExecutionEnvironment: JavaSE-17
Actual bytecode version:
$ javap -v org/eclipse/jdt/internal/compiler/env/INameEnvironment.class
public interface org.eclipse.jdt.internal.compiler.env.INameEnvironment
minor version: 0
major version: 65 <-- Java 21 (should be 61 for Java 17)
# Impact
This inconsistency breaks **Apache Tomcat JSP compilation** for applications
running on Java 17: java.lang.UnsupportedClassVersionError:
org/eclipse/jdt/internal/compiler/env/INameEnvironment has been compiled by a
more recent version of the Java Runtime (class file version 65.0), this
version of the Java Runtime only recognizes class file versions up to 61.0
**Affected components:**
- Apache Tomcat 10.x with JSP support
- Any application using Eclipse JDT Core for runtime compilation on Java 17
- Spring Boot applications with embedded Jasper
# Root Cause Analysis
The package was built using Java 21 (Debian 13 default) while the MANIFEST.MF
was not updated to reflect the actual bytecode target version.
- Critical dependency chain:**
libtomcat10-java
├─ Depends: libeclipse-jdt-core-java (3.35.0)
└─ Depends: libeclipse-jdt-core-compiler-batch-java (3.35.0) ← PROBLEMATIC
- Impact:
- `libtomcat10-java` has a **hard dependency** on the problematic package -
All Tomcat 10 installations on Debian 13 automatically pull this package
- Applications running on Java 17 fail when JSP compilation occurs
- Expected behavior:
- If compiled with Java 21, MANIFEST should declare
`Bundle-RequiredExecutionEnvironment: JavaSE-21` - If targeting Java 17,
package should be compiled with `javac --release 17` flag - Debian should
provide separate packages for different Java versions OR use the lowest common
denominator (Java 17)
# Reproduction Steps
1. Install Debian 13 with default Java 17
2. Install `libtomcat10-java` and `eclipse-jdt-core-compiler-batch`
3. Deploy any Spring Boot application with JSP views
4. Access a JSP page
5. Observe `UnsupportedClassVersionError` Exception
# Proposed Solutions
- Update the build configuration to explicitly target Java 17
Best Regards
-- System Information:
Debian Release: 13.3
APT prefers stable-security
APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.1.0-10-amd64 (SMP w/48 CPU threads; PREEMPT)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: eclipse-jdt-core
Source-Version: 4.30-2
Done: Emmanuel Bourg <[email protected]>
We believe that the bug you reported is fixed in the latest version of
eclipse-jdt-core, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Emmanuel Bourg <[email protected]> (supplier of updated eclipse-jdt-core
package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Mon, 16 Mar 2026 15:15:08 +0100
Source: eclipse-jdt-core
Architecture: source
Version: 4.30-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Java Maintainers
<[email protected]>
Changed-By: Emmanuel Bourg <[email protected]>
Closes: 1044210 1130961
Changes:
eclipse-jdt-core (4.30-2) unstable; urgency=medium
.
* Restored Java 17 compatibility (Closes: #1130961)
* Properly clean the build directories (Closes: #1044210)
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