javadoc is missing a resource property

The javadoc doclet resource file is missing a definition for

doclet.exception_encountered


$ find src -name \*.java | xargs -n 1 grep --with-filename exception_encountered
src/share/classes/com/sun/tools/doclets/formats/html/PackageIndexFrameWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/PackageFrameWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/SingleIndexWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/PackageIndexWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/HtmlDoclet.java: "doclet.perform_copy_exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/HelpWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/DeprecatedListWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/SplitIndexWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/AllClassesFrameWriter.java: error("doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/PackageUseWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/ClassUseWriter.java: error("doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/FrameOutputWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/formats/html/TreeWriter.java: "doclet.exception_encountered",
src/share/classes/com/sun/tools/doclets/internal/toolkit/util/PackageListWriter.java: configuration.message.error("doclet.exception_encountered",