{"id":1896,"date":"2021-07-27T09:45:30","date_gmt":"2021-07-27T00:45:30","guid":{"rendered":"https:\/\/esoro.jp\/?p=1896"},"modified":"2021-07-27T09:45:30","modified_gmt":"2021-07-27T00:45:30","slug":"java-mail-%e3%81%a7-unknown-encoding-%e7%99%ba%e7%94%9f","status":"publish","type":"post","link":"https:\/\/esoro.jp\/?p=1896","title":{"rendered":"Java mail \u3067 Unknown encoding \u767a\u751f"},"content":{"rendered":"<p>Java\u3067\u66f8\u3044\u305f\u3001\u3044\u308d\u3093\u306a\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u3066\u696d\u52d9\u306e\u4e00\u90e8\u3092\u81ea\u52d5\u5316\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f55\u5e74\u3082\u904b\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u898b\u6163\u308c\u306a\u3044\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u305f\u306e\u3067\u78ba\u8a8d\u3059\u308b\u3068\u3001<\/p>\n<p><code>java.io.IOException: Unknown encoding: 8-bit<br \/>\nat javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:116) ~[jar:rsrc:javax.mail-1.6.2.jar!\/:?]<br \/>\nat com.sun.mail.handlers.text_plain.getContent(text_plain.java:83) ~[jar:rsrc:javax.mail-1.6.2.jar!\/:?]<br \/>\nat javax.activation.DataSourceDataContentHandler.getContent(DataHandler.java:795) ~[?:1.8.0_275]<br \/>\nat javax.activation.DataHandler.getContent(DataHandler.java:542) ~[?:1.8.0_275]<br \/>\nat javax.mail.internet.MimeBodyPart.getContent(MimeBodyPart.java:683) ~[jar:rsrc:javax.mail-1.6.2.jar!\/:?]<br \/>\n\u7565<br \/>\nCaused by: javax.mail.MessagingException: Unknown encoding: 8-bit<br \/>\nat javax.mail.internet.MimeUtility.decode(MimeUtility.java:405) ~[jar:rsrc:javax.mail-1.6.2.jar!\/:?]<br \/>\nat javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:109) ~[jar:rsrc:javax.mail-1.6.2.jar!\/:?]<br \/>\n... 13 more<\/code><\/p>\n<p>\u3068\u30ed\u30b0\u306b\u5410\u304d\u51fa\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><code>String body = (String) mailpart.getContent();<\/code><\/p>\n<p>\u3068\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30bf\u30a4\u30d7\u304ctext\u306e\u30e1\u30fc\u30eb\u30d1\u30fc\u30c8\u3092\u672c\u6587\u3068\u3057\u3066\u6587\u5b57\u5217\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u4f8b\u5916\u306b\u98db\u3093\u3067\u307e\u3059\u3002<\/p>\n<p>\u8a72\u5f53\u306e\u30e1\u30fc\u30eb\u3092EML\u30d5\u30a1\u30a4\u30eb\u3067\u30e1\u30fc\u30eb\u306e\u4e2d\u8eab\u3092\u78ba\u8a8d\u3059\u308b\u3068<br \/>\n<code>Content-Type: text\/html; charset=\"UTF-8\"<br \/>\nContent-Transfer-Encoding: 8-bit<\/code><br \/>\n\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306f<br \/>\n<code>Content-Type: text\/plain; charset=\"UTF-8\"<br \/>\nContent-Transfer-Encoding: 8bit<\/code><br \/>\n\u3060\u3063\u305f\u308a\u3001<\/p>\n<p><code>Content-Type: text\/plain; charset=\"ISO-2022-JP\"<br \/>\nContent-Transfer-Encoding: 7bit<\/code><br \/>\n\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>Javamail\u3067\u306f\u30018bit\u3067\u306a\u304f8-bit\u3060\u3068\u4f8b\u5916\u306b\u306a\u308b\u306e\u304b\u3002\u3002\u3002<br \/>\n\u4ed5\u65b9\u306a\u3044\u306e\u3067\u3001\u30ad\u30e3\u30b9\u30c8\u306b\u5931\u6557\u3057\u305f\u5f8c\u306b\u5f37\u5236\u7684\u306b8bit\u306b\u7f6e\u304d\u63db\u3048\u3066\u672c\u6587\u3092\u8aad\u307f\u53d6\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><code>part.setHeader( \"Content-Transfer-Encoding\", \"8bit\");<br \/>\nString body = (String) p.getContent();<\/code><\/p>\n<p>\u30e1\u30fc\u30eb\u306e\u53d7\u4fe1\u51e6\u7406\u306f\u3001\u9001\u4fe1\u5074\u6b21\u7b2c\u3067\u30a4\u30ec\u30ae\u30e5\u30e9\u30fc\u306a\u30e1\u30fc\u30eb\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u9762\u5012\u3067\u3059\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u66f8\u3044\u305f\u3001\u3044\u308d\u3093\u306a\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u3066\u696d\u52d9\u306e\u4e00\u90e8\u3092\u81ea\u52d5\u5316\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f55\u5e74\u3082\u904b &hellip; <a href=\"https:\/\/esoro.jp\/?p=1896\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,2],"tags":[],"_links":{"self":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1896"}],"collection":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1896"}],"version-history":[{"count":5,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1896\/revisions"}],"predecessor-version":[{"id":1901,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1896\/revisions\/1901"}],"wp:attachment":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}