Exception in thread "main" java.lang.UnsupportedClassVersionError: AozoraEpub3 has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
pid 13928 exit 1
[ERROR] JavaがインストールされていないかAozoraEpub3実行時にエラーが発生しました。EPUBを作成出来ませんでした
小説の保存フォルダを開きますか (y/n)?:
/Users/ユーザー名/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/narou-3.8.2/narou.rb:10:in `require_relative': cannot load such file -- /Users/ユーザー名/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/narou-3.8.2/lib/extension (LoadError)
from /Users/ユーザー名/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/narou-3.8.2/narou.rb:10:in `<top (required)>'
from /Users/ユーザー名/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/narou-3.8.2/bin/narou:13:in `require_relative'
from /Users/ユーザー名/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/narou-3.8.2/bin/narou:13:in `<top (required)>'
from /Users/ユーザー名/.rbenv/versions/3.3.0/bin/narou:25:in `load'
from /Users/ユーザー名/.rbenv/versions/3.3.0/bin/narou:25:in `<main>'
gem which narou をためすと、
ERROR: Can't find Ruby library file or shared library narou
と出ます。
以下、gem install narou
をした時のエラー表示
＿＿＿＿＿＿＿
c:\>gem install narou
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR: Error installing narou:
ERROR: Failed to build gem native extension.
current directory: C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/sassc-2.4.0/ext
C:/Ruby32-x64/bin/ruby.exe extconf.rb
creating Makefile
current directory: C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20240406-8836-13mkuh sitelibdir\=./.gem.20240406-8836-13mkuh clean
current directory: C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20240406-8836-13mkuh sitelibdir\=./.gem.20240406-8836-13mkuh
compiling ./libsass/src/ast.cpp
make: g++: コマンドが見つかりませんでした
make: *** [Makefile:240: ast.o] エラー 127
make failed, exit code 2
Gem files will remain installed in C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/sassc-2.4.0 for inspection.
Results logged to C:/Ruby32-x64/lib/ruby/gems/3.2.0/extensions/x64-mingw-ucrt/3.2.0/sassc-2.4.0/gem_make.out
Narou.rb のバージョン：
Version 3.9.0
OS のバージョン：Windows11
何が起きたのか：
再現方法（何をやったら起こったのか詳細に）：
小説家になろうからのダウンロードの際、100話前後の作品は問題無くテキストとEPUBが生成されるのですが、300話など長い作品の場合、テキストは生成されるものの、EPUB生成に失敗してしまいます。エラーメッセージを添付します。
--------
変換開始 : D:\narounovel\小説データ\小説家になろう\n7259z 双色の錬金術師\[ちゅるぎ] 双色の錬金術師.txt
[INFO] 濁点フォント利用 (17741) : ん゛
[INFO] 濁点フォント利用 (65560) : あ゛
[INFO] 濁点フォント利用 (65560) : ぁ゛
[INFO] 濁点フォント利用 (65560) : ぃ゛
[INFO] 濁点フォント利用 (76855) : あ゛
[INFO] 濁点フォント利用 (79905) : あ゛
java.io.IOException: This archives contains unclosed entries.
at org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream.finish(ZipArchiveOutputStream.java:343)
at org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream.close(ZipArchiveOutputStream.java:550)
at com.github.hmdev.writer.Epub3Writer.write(Epub3Writer.java:968)
at AozoraEpub3.convertFile(AozoraEpub3.java:512)
at AozoraEpub3.main(AozoraEpub3.java:431)
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/image/codec/jpeg/ImageFormatException
at com.sun.media.jai.codecimpl.JPEGImageDecoder.decodeAsRenderedImage(JPEGImageDecoder.java:46)
at com.sun.media.jai.codec.ImageDecoderImpl.decodeAsRenderedImage(ImageDecoderImpl.java:140)
at com.github.hmdev.image.ImageUtils.readImage(ImageUtils.java:107)
at com.github.hmdev.image.ImageUtils.writeImage(ImageUtils.java:152)
at com.github.hmdev.writer.Epub3Writer.writeImage(Epub3Writer.java:1032)
at com.github.hmdev.writer.Epub3Writer.write(Epub3Writer.java:909)
at AozoraEpub3.convertFile(AozoraEpub3.java:512)
at AozoraEpub3.main(AozoraEpub3.java:431)
Caused by: java.lang.ClassNotFoundException: com.sun.image.codec.jpeg.ImageFormatException
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
... 8 more
pid 29992 exit 1
[ERROR] JavaがインストールされていないかAozoraEpub3実行時にエラーが発生しました。EPUBを作成出来ませんでした
