{"id":163,"date":"2012-07-16T09:00:02","date_gmt":"2012-07-16T09:00:02","guid":{"rendered":"http:\/\/www.andreagirardi.it\/blog\/?p=163"},"modified":"2014-06-30T19:32:52","modified_gmt":"2014-06-30T19:32:52","slug":"dynamic-web-module-3-0-requires-java-1-6-or-newer","status":"publish","type":"post","link":"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/","title":{"rendered":"Dynamic Web Module 3.0 requires Java 1.6 or newer"},"content":{"rendered":"<p>I&#8217;m using STS and I configured my Web application to use Maven but, when I try to use Maven &gt; Update project configuration, I\u2019m getting this really annoying project error:<\/p>\n<pre lang=\"txt\">Dynamic Web Module 3.0 requires Java 1.6 or newer. [...] Maven WTP Configuration Problem\r\nOne or more constraints have not been satisfied.<\/pre>\n<p>STS\/Eclipse are configured to use Java 1.6 but my project apparently isn\u2019t. So I go change that, but it doesn\u2019t fix that error, and any time I update project config with Maven, it\u2019s back to using JRE 1.5 and my Java source files are no longer on the build path as source files. This because the <a href=\"http:\/\/stackoverflow.com\/questions\/3539139\/what-causes-a-new-maven-project-in-eclipse-to-use-java-1-5-instead-of-java-1-6-b\" target=\"_blank\">Maven compiler plugin doesn\u2019t use Eclipse settings and just imposes its own defaults, i.e. Java 5, unless otherwise configured by a POM. And since a \u201cDynamic Web Project\u201d uses Servlet 3.0 it requires Java 6<\/a>. <\/p>\n<p>To fix, just add under the top-level POM:<\/p>\n<pre lang=\"xml\">\r\n<build>\r\n\t<plugins>\r\n\t   <plugin>\r\n\t\t  <groupId>org.apache.maven.plugins<\/groupId>\r\n\t\t  <artifactId>maven-compiler-plugin<\/artifactId>\r\n\t\t  <version>2.1<\/version>\r\n\t\t  <configuration>\r\n\t\t\t <source>1.6<\/source>\r\n\t\t\t <target>1.6<\/target>\r\n\t\t  <\/configuration>\r\n\t   <\/plugin>\r\n\t<\/plugins>\r\n <\/build><\/pre>\n<p>[AdSense-A]<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-linkedin\"><a rel=\"nofollow\" data-shared=\"sharing-linkedin-163\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\"><span>LinkedIn<\/span><\/a><\/li><li class=\"share-reddit\"><a rel=\"nofollow\" data-shared=\"\" class=\"share-reddit sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\"><span>Reddit<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow\" data-shared=\"sharing-twitter-163\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\"><span>Twitter<\/span><\/a><\/li><li class=\"share-facebook\"><a rel=\"nofollow\" data-shared=\"sharing-facebook-163\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\"><span>Facebook<\/span><\/a><\/li><li class=\"share-skype\"><a rel=\"nofollow\" data-shared=\"sharing-skype-163\" class=\"share-skype sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=skype\" target=\"_blank\" title=\"Share on Skype\"><span>Skype<\/span><\/a><\/li><li class=\"share-pocket\"><a rel=\"nofollow\" data-shared=\"\" class=\"share-pocket sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=pocket\" target=\"_blank\" title=\"Click to share on Pocket\"><span>Pocket<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>I&#8217;m using STS and I configured my Web application to use Maven but, when I try to use Maven &gt; Update project configuration, I\u2019m getting this really annoying project error: Dynamic Web Module 3.0 requires Java 1.6 or newer. [&#8230;] Maven WTP Configuration Problem One or more constraints have not been satisfied. STS\/Eclipse are configured [&hellip;]<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-linkedin\"><a rel=\"nofollow\" data-shared=\"sharing-linkedin-163\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\"><span>LinkedIn<\/span><\/a><\/li><li class=\"share-reddit\"><a rel=\"nofollow\" data-shared=\"\" class=\"share-reddit sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\"><span>Reddit<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow\" data-shared=\"sharing-twitter-163\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\"><span>Twitter<\/span><\/a><\/li><li class=\"share-facebook\"><a rel=\"nofollow\" data-shared=\"sharing-facebook-163\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\"><span>Facebook<\/span><\/a><\/li><li class=\"share-skype\"><a rel=\"nofollow\" data-shared=\"sharing-skype-163\" class=\"share-skype sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=skype\" target=\"_blank\" title=\"Share on Skype\"><span>Skype<\/span><\/a><\/li><li class=\"share-pocket\"><a rel=\"nofollow\" data-shared=\"\" class=\"share-pocket sd-button share-icon\" href=\"https:\/\/www.andreagirardi.it\/blog\/dynamic-web-module-3-0-requires-java-1-6-or-newer\/?share=pocket\" target=\"_blank\" title=\"Click to share on Pocket\"><span>Pocket<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[14],"tags":[4,22],"_links":{"self":[{"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/posts\/163"}],"collection":[{"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/comments?post=163"}],"version-history":[{"count":6,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/posts\/163\/revisions"}],"predecessor-version":[{"id":527,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/posts\/163\/revisions\/527"}],"wp:attachment":[{"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.andreagirardi.it\/blog\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}