{"id":1582,"date":"2015-11-17T14:05:57","date_gmt":"2015-11-17T06:05:57","guid":{"rendered":"https:\/\/cowmanchiang.me\/wp\/?p=1582"},"modified":"2023-10-31T15:43:11","modified_gmt":"2023-10-31T07:43:11","slug":"java-check-apache-poi-version","status":"publish","type":"post","link":"https:\/\/cowmanchiang.me\/wp\/?p=1582","title":{"rendered":"[Java] Check apache poi version"},"content":{"rendered":"<p>Ref: <a href=\"https:\/\/poi.apache.org\/faq.html#faq-N10006\">The Apache POI project &#8211; Frequently Asked Questions: My code uses some new feature, compiles fine but fails when live with a &#8220;MethodNotFoundException&#8221; or &#8220;IncompatibleClassChangeError&#8221;<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">    ClassLoader classloader = org.apache.poi.poifs.filesystem.POIFSFileSystem.class.getClassLoader();\n    URL res = classloader.getResource(&quot;org\/apache\/poi\/poifs\/filesystem\/POIFSFileSystem.class&quot;);\n    String path = res.getPath();\n    System.out.println(&quot;Core POI came from &quot; + path);<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Ref: The Apache POI project &#8211; Frequently Asked Questions: My code uses some new feature, compiles fine but fails when live with a &#8220;MethodNotFoundException&#8221; or &#8220;IncompatibleClassChangeError&#8221; ClassLoader classloader = org.apache.poi.poifs.filesystem.POIFSFileSystem.class.getClassLoader(); URL res = classloader.getResource(&quot;org\/apache\/poi\/poifs\/filesystem\/POIFSFileSystem.class&quot;); String path = res.getPath(); System.out.println(&quot;Core POI &hellip; <a href=\"https:\/\/cowmanchiang.me\/wp\/?p=1582\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-1582","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1582"}],"version-history":[{"count":1,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1582\/revisions"}],"predecessor-version":[{"id":1895,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=\/wp\/v2\/posts\/1582\/revisions\/1895"}],"wp:attachment":[{"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cowmanchiang.me\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}