freeplane fails to start with
java.lang.NoClassDefFoundError: com/lightdev/app/shtm/SHTMLPrefsChangeListener
        at
org.freeplane.main.mindmapmode.MModeControllerFactory.createStandardControllers(MModeControllerFactory.java:246)
        at
org.freeplane.main.mindmapmode.MModeControllerFactory.createModeControllerImpl(MModeControllerFactory.java:217)
        at
org.freeplane.main.mindmapmode.MModeControllerFactory.createModeController(MModeControllerFactory.java:149)
        at
org.freeplane.main.application.FreeplaneGUIStarter.createModeControllers(FreeplaneGUIStarter.java:199)
        at
org.freeplane.main.osgi.ActivatorImpl.startFramework(ActivatorImpl.java:214)
        at org.freeplane.main.osgi.ActivatorImpl.start(ActivatorImpl.java:109)
        at org.freeplane.main.osgi.Activator.start(Activator.java:35)
        at org.knopflerfish.framework.BundleImpl.start0(BundleImpl.java:386)
        at org.knopflerfish.framework.BundleThread.run(BundleThread.java:145)
Caused by: java.lang.ClassNotFoundException:
com.lightdev.app.shtm.SHTMLPrefsChangeListener
        at
org.knopflerfish.framework.BundleClassLoader.findClass(BundleClassLoader.java:176)
        at
org.knopflerfish.framework.BundleClassLoader.loadClass(BundleClassLoader.java:305)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490)
        ... 9 more

strace reveals wrong lib path:

2925443 newfstatat(AT_FDCWD,
"/usr/share/freeplane/core/org.freeplane.core/../../../maven-
repo/com/lightdev/app/shtm/simplyhtml/SimplyHTML/debian/SimplyHTML-debian.jar"
<unfinished ...>
2925443 <... newfstatat resumed>, 0x7fc1248f5000, 0) = -1 ENOENT
...
2925443 statx(AT_FDCWD,
"/usr/share/freeplane/core/org.freeplane.core/../../../maven-
repo/com/lightdev/app/shtm/simplyhtml/SimplyHTML/debian/SimplyHTML-debian.jar",
AT_STATX_SYNC_AS_STAT, STATX_ALL <unfinished ...>
2925443 <... statx resumed>, 0x7fc1248f4ac0) = -1 ENOENT

Hello,

Bug #1148904 in freeplane reported by you has been fixed in the
Git repository and is awaiting an upload. You can see the commit
message below and you can check the diff of the fix at:

https://salsa.debian.org/java-team/freeplane/-/commit/234c6d7231e77e227fdefd5c25edd2414344dfe8

(this message was generated automatically)
-- 
Greetings

https://bugs.debian.org/1148904

We believe that the bug you reported is fixed in the latest version of
freeplane, 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 1148904@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Emmanuel Bourg <ebourg@apache.org> (supplier of updated freeplane 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 ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 18 Oct 2026 13:06:48 +0200
Source: freeplane
Architecture: source
Version: 1.7.10-3
Distribution: unstable
Urgency: medium
Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
Changed-By: Emmanuel Bourg <ebourg@apache.org>
Closes: 985597 1128209 1137396 1148904
Changes:
 freeplane (1.7.10-3) unstable; urgency=medium
 .
   * Team upload.
   * Don't quote the %-escapes in the mailcap entries (Closes: #985597)
   * Fixed the build failure with bnd 5.1+ (Closes: #1137396)
   * Fixed the startup with Java 24+ (Closes: #1128209)
   * Tightened the dependency on simplyhtml (Closes: #1148904)
   * Converted debian/watch to the version 5 format
   * Standards-Version updated to 4.7.4
   * Removed the Priority field
   * Removed the Rules-Requires-Root field
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 fd1d74a4dc1955eed3e5085051e30205a9278dbd 30564 freeplane_1.7.10-3.debian.tar.xz
 42fc8dfc780ff706d9c7521e75f7fbf940287ff2 16861 freeplane_1.7.10-3_source.buildinfo
Checksums-Sha256:
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 8eedeb537c379dbff0ccf3e2a5aa7c7d3137e50291c5162445a05d2acfceb3e9 30564 freeplane_1.7.10-3.debian.tar.xz
 466ced5d47022bc4b8c8e8e3887b3d222fe0f41726835d16d34763f2a0df4ac3 16861 freeplane_1.7.10-3_source.buildinfo
Files:
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 36c30a031edfdcaec072a0aa033632c7 30564 editors optional freeplane_1.7.10-3.debian.tar.xz
 e54c6481ddc0a175663d051d4e76536a 16861 editors optional freeplane_1.7.10-3_source.buildinfo
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