René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Unexpected \"cannot access java.lang.Object bad class file\" error","articleBody":"From @rasband:\n\n\u003e I am using Fiji 2.0.0-rc-25/1.49p and Java 1.8.0_25 [64-bit] on OS X 10.10.1.\n\u003e \n\u003e When I open the \"Red_And_Blue.java\" file in the Script Editor and click \"Run\" I get this exception:\n\u003e \n\u003e ```\n\u003e Started Red_And_Blue.java at Sun Mar 01 16:33:21 EST 2015\n\u003e Compiling 1 file in /var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java218593696282971329\n\u003e /var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java218593696282971329/src/main/java/Red_And_Blue.java:8: cannot access java.lang.Object\n\u003e bad class file: ZipFileIndexFileObject[/Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/lib/ct.sym(META-INF/sym/rt.jar/java/lang/Object.class)]\n\u003e class file has wrong version 52.0, should be 50.0\n\u003e Please remove or make sure it appears in the correct subdirectory of the classpath.\n\u003e public class Red_And_Blue implements PlugIn {\n\u003e        ^\n\u003e org.scijava.minimaven.JavaCompiler$CompileError: Compile error: 1\n\u003e     at org.scijava.minimaven.JavaCompiler.call(JavaCompiler.java:80)\n\u003e     at org.scijava.minimaven.MavenProject.build(MavenProject.java:477)\n\u003e     at org.scijava.minimaven.MavenProject.build(MavenProject.java:406)\n\u003e     at org.scijava.minimaven.MavenProject.build(MavenProject.java:391)\n\u003e     at org.scijava.plugins.scripting.java.JavaEngine.eval(JavaEngine.java:154)\n\u003e     at org.scijava.script.ScriptModule.run(ScriptModule.java:175)\n\u003e     at org.scijava.module.ModuleRunner.run(ModuleRunner.java:167)\n\u003e     at org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)\n\u003e     at org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)\n\u003e     at org.scijava.thread.DefaultThreadService$2.call(DefaultThreadService.java:164)\n\u003e     at java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\u003e     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\n\u003e     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\n\u003e     at java.lang.Thread.run(Thread.java:745)\n\u003e ```\n\nSee also:\n- #6 \n- [Fiji bug #1012](http://fiji.sc/bugzilla/show_bug.cgi?id=1012)\n\nMy initial guess would be something relating to the fact that ImageJ2 [ships a Java 6 tools.jar file](https://github.com/imagej/imagej/issues/105).\n","author":{"url":"https://github.com/ctrueden","@type":"Person","name":"ctrueden"},"datePublished":"2015-03-02T05:01:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/7/scripting-java/issues/7"}