[ImageJ-bugs] [Bug 1074] I could not compile the Versatile Wand plugin

[bugzilla at fiji.sc]

http://fiji.sc/bugzilla/show_bug.cgi?id=1074

Wayne Rasband <wsr at nih.gov> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CONFIRMED
                 CC|                            |wsr at nih.gov

--- Comment #1 from Wayne Rasband <wsr at nih.gov> ---
Using Java 1.6.0_65 on OS X 10.10.2, I can compile and run Versatile_Wand.java
by clicking on "Run" in the Script Editor. I can then install the Versatile
Wand as a tool by checking "Install Tool" in the dialog and clicking "OK", but
I get this error message

   Could not load class Versatile_Wand in line 6
   call("Versatile_Wand.setOptions");

when I attempt to open the Versatile Wand Options dialog by double clicking on
the tool icon.

When I run the "Versatile Wand" command from the Plugins menu I get this error
message in the "Console" window:

Compiling 1 file in  
/var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java898253394430329430
Note:
/var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java898253394430329430/src/main/java/Versatile_Wand.java
uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.

Using Java jdk1.8.0_45.jdk on OS X 10.10.3, I get this error message when I
open Versatile_Wand.java in the Script Editor and click "Run":

Started Versatile_Wand.java at Fri May 22 11:21:30 EDT 2015
Compiling 1 file in
/var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java4428824321535213749
/var/folders/sj/hs9p4kxn1z9brlkf83ycm4qr0000gn/T/java4428824321535213749/src/main/java/Versatile_Wand.java:16:
cannot access java.util.Hashtable
bad class file:
ZipFileIndexFileObject[/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/lib/ct.sym(META-INF/sym/rt.jar/java/util/Hashtable.class)]
class file has wrong version 52.0, should be 50.0
Please remove or make sure it appears in the correct subdirectory of the
classpath.
import java.util.Hashtable;
                ^
org.scijava.minimaven.JavaCompiler$CompileError: Compile error: 1
    at org.scijava.minimaven.JavaCompiler.call(JavaCompiler.java:80)
    at org.scijava.minimaven.MavenProject.build(MavenProject.java:477)
    at org.scijava.minimaven.MavenProject.build(MavenProject.java:406)
    at org.scijava.minimaven.MavenProject.build(MavenProject.java:391)
    at
org.scijava.plugins.scripting.java.JavaEngine.compile(JavaEngine.java:211)
    at org.scijava.plugins.scripting.java.JavaEngine.eval(JavaEngine.java:135)
    at org.scijava.plugins.scripting.java.JavaEngine.eval(JavaEngine.java:173)
    at org.scijava.script.ScriptModule.run(ScriptModule.java:175)
    at org.scijava.module.ModuleRunner.run(ModuleRunner.java:167)
    at org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)
    at org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)
    at
org.scijava.thread.DefaultThreadService$2.call(DefaultThreadService.java:181)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
java.lang.NullPointerException
    at java.lang.Class.isAssignableFrom(Native Method)
    at
org.scijava.plugins.scripting.java.CommandJavaRunner.supports(CommandJavaRunner.java:71)
    at
org.scijava.plugins.scripting.java.CommandJavaRunner.supports(CommandJavaRunner.java:46)
    at
org.scijava.plugins.scripting.java.DefaultJavaService.run(DefaultJavaService.java:60)
    at org.scijava.plugins.scripting.java.JavaEngine.eval(JavaEngine.java:136)
    at org.scijava.plugins.scripting.java.JavaEngine.eval(JavaEngine.java:173)
    at org.scijava.script.ScriptModule.run(ScriptModule.java:175)
    at org.scijava.module.ModuleRunner.run(ModuleRunner.java:167)
    at org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)
    at org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)
    at
org.scijava.thread.DefaultThreadService$2.call(DefaultThreadService.java:181)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

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