{"id":1773,"date":"2018-08-22T00:21:30","date_gmt":"2018-08-22T05:21:30","guid":{"rendered":"http:\/\/unitstep.net\/?p=1773"},"modified":"2018-09-02T16:26:57","modified_gmt":"2018-09-02T21:26:57","slug":"getting-the-garmin-connect-iq-sdk-to-work-with-java-9-10","status":"publish","type":"post","link":"https:\/\/unitstep.net\/blog\/2018\/08\/22\/getting-the-garmin-connect-iq-sdk-to-work-with-java-9-10\/","title":{"rendered":"Getting the Garmin Connect IQ SDK to work with Java 9, 10"},"content":{"rendered":"<p>If you&#8217;re developing with the <a href=\"https:\/\/developer.garmin.com\/connect-iq\">Connect IQ SDK<\/a> and have Java 9 or 10 installed (or any version beyond Java 8), you&#8217;ll probably run into an issue like this when trying to compile your app with <code>monkeyc<\/code> or run it with <code>monkeydo<\/code>, whether from the command line or the Eclipse Plugin:<\/p>\n<pre><code>$ monkeydo myApp.prg fenix5\nException in thread \"main\" java.lang.NoClassDefFoundError: javax\/xml\/bind\/DatatypeConverter\n  at com.garmin.monkeybrains.prgreader.EntryPoint.parse(EntryPoint.java:71)\n  at com.garmin.monkeybrains.prgreader.EntryPoints.parse(EntryPoints.java:21)\n  at com.garmin.monkeybrains.prgreader.PrgParser.parse(PrgParser.java:50)\n  at com.garmin.monkeybrains.monkeydodeux.MonkeyDoDeux.execute(MonkeyDoDeux.java:244)\n  at com.garmin.monkeybrains.monkeydodeux.MonkeyDoDeux.main(MonkeyDoDeux.java:146)\nCaused by: java.lang.ClassNotFoundException: javax.xml.bind.DatatypeConverter\n  at java.base\/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)\n  at java.base\/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)\n  at java.base\/java.lang.ClassLoader.loadClass(ClassLoader.java:499)\n  ... 5 more<\/code><\/pre>\n<p>This is because the <code>monkeybrains.jar<\/code> that comes with the SDK (and is used by <code>monkeyc<\/code> and <code>monkeydo<\/code>) relies on JAXB classes &#8211; specifically those from the <code>java.xml.bind<\/code> package.<\/p>\n<p>Although these are still included in Java 9 and 10, they <a href=\"https:\/\/stackoverflow.com\/questions\/43574426\/how-to-resolve-java-lang-noclassdeffounderror-javax-xml-bind-jaxbexception-in-j\">are not included on the classpath by default<\/a>, because they were considered to be &#8220;Java EE&#8221; APIs. One way to get them back on the classpath is to use the <code>--add-modules java.xml.bind<\/code> command line option when invoking <code>java<\/code>.<\/p>\n<p>You can fix this by modifying the <code>monkeydo<\/code> file located in your Connect IQ SDK&#8217;s <code>bin<\/code> directory, i.e. at <code>.\/connectiq-sdk-mac-3.0.1\/bin\/monkeydo<\/code>: Find the line with the <code>java<\/code> command, comment it out, and replace with the one below.<\/p>\n<pre><code># COMMENT THIS ONE OUT:\n# Push the executable to the simulator\n#java -classpath \"$MB_HOME\"\/monkeybrains.jar com.garmin.monkeybrains.monkeydodeux.MonkeyDoDeux -f \"$PRG_PATH\" -d $DEVICE_ID -s \"$MB_HOME\"\/shell $TEST_FLAG $TEST_NAME\n\n# USE THIS ONE INSTEAD:\n# Fix for Java 9, 10:\n# https:\/\/stackoverflow.com\/questions\/43574426\/how-to-resolve-java-lang-noclassdeffounderror-javax-xml-bind-jaxbexception-in-j\njava --add-modules java.xml.bind -classpath \"$MB_HOME\"\/monkeybrains.jar com.garmin.monkeybrains.monkeydodeux.MonkeyDoDeux -f \"$PRG_PATH\" -d $DEVICE_ID -s \"$MB_HOME\"\/shell $TEST_FLAG $TEST_NAME<\/code><\/pre>\n<p>After this, <code>monkeydo<\/code> should work correctly in running your compiled app in the simulator. (Note: I did not have to make changes to the <code>monkeyc<\/code> command)<\/p>","protected":false},"excerpt":{"rendered":"<p>If you&#8217;re developing with the Connect IQ SDK and have Java 9 or 10 installed (or any version beyond Java 8), you&#8217;ll probably run into an issue like this when trying to compile your app with monkeyc or run it with monkeydo, whether from the command line or the Eclipse Plugin: $ monkeydo myApp.prg fenix5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[64,137],"tags":[495,427,496],"_links":{"self":[{"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/posts\/1773"}],"collection":[{"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/comments?post=1773"}],"version-history":[{"count":9,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/posts\/1773\/revisions"}],"predecessor-version":[{"id":1799,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/posts\/1773\/revisions\/1799"}],"wp:attachment":[{"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/media?parent=1773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/categories?post=1773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unitstep.net\/wp-json\/wp\/v2\/tags?post=1773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}