javadoc crashes if it encounters an HTML file in a doc-files subdirectory for a module.
javadoc: error - An internal exception has occurred.
(java.lang.AssertionError: unsupported element: MODULE)
Please file a bug against the javadoc tool via the Java bug reporting page
(http://bugreport.java.com) after checking the Bug Database (http://bugs.java.com)
for duplicates. Include error messages and the following diagnostic in your report. Thank you.
java.lang.AssertionError: unsupported element: MODULE
at jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.DocFilesHandlerImpl$DocFileWriter.<init>(DocFilesHandlerImpl.java:318)
at jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.DocFilesHandlerImpl.handleHtmlFile(DocFilesHandlerImpl.java:175)
at jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.DocFilesHandlerImpl.copyDirectory(DocFilesHandlerImpl.java:152)
at jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.DocFilesHandlerImpl.copyDocFiles(DocFilesHandlerImpl.java:122)
at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.builders.ModuleSummaryBuilder.buildModuleDoc(ModuleSummaryBuilder.java:121)
at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.builders.ModuleSummaryBuilder.build(ModuleSummaryBuilder.java:104)
at jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.HtmlDoclet.generateModuleFiles(HtmlDoclet.java:270)
at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:211)
at jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.run(AbstractDoclet.java:114)
at jdk.javadoc/jdk.javadoc.doclet.StandardDoclet.run(StandardDoclet.java:72)
at jdk.javadoc/jdk.javadoc.internal.tool.Start.parseAndExecute(Start.java:555)
at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:399)
at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:345)
at jdk.javadoc/jdk.javadoc.internal.tool.Main.execute(Main.java:63)
at jdk.javadoc/jdk.javadoc.internal.tool.Main.main(Main.java:52)
1 error