Problems initializing JAIIIOServiceImpl in the context of Fiji

[dscho]

When SCIFIO's JAIIIOServiceImpl is loaded (because an ImageJ2 context is created) at startup of Fiji, I sometimes get this:

[WARNING] Invalid service: io.scif.services.JAIIIOServiceImpl
java.lang.NoClassDefFoundError: io/scif/media/imageioimpl/plugins/jpeg2000/J2KImageReaderSpi
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
    at java.lang.Class.getConstructor0(Class.java:2699)
    at java.lang.Class.newInstance0(Class.java:326)
    at java.lang.Class.newInstance(Class.java:308)
    at org.scijava.service.ServiceHelper.createService(ServiceHelper.java:213)
    at org.scijava.service.ServiceHelper.createExactService(ServiceHelper.java:181)
    at org.scijava.service.ServiceHelper.loadService(ServiceHelper.java:156)
    at org.scijava.service.ServiceHelper.loadServices(ServiceHelper.java:127)
    at org.scijava.Context.<init>(Context.java:162)
    at org.scijava.Context.<init>(Context.java:120)
    at org.scijava.Context.<init>(Context.java:81)
    at org.scijava.Context.<init>(Context.java:71)
    at ij.IJ.getContext(IJ.java)
    at ij.IJ.runPlugIn(IJ.java)
    at fiji.Main$1.run(Main.java:116)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:642)
    at java.awt.EventQueue.access$000(EventQueue.java:85)
    at java.awt.EventQueue$1.run(EventQueue.java:603)
    at java.awt.EventQueue$1.run(EventQueue.java:601)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:612)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.ClassNotFoundException: io.scif.media.imageioimpl.plugins.jpeg2000.J2KImageReaderSpi
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    ... 30 more

My suspicion is that two of the following files in the class path are the culprit:

• jai-codec-1.1.3.jar
• jai-core-1.1.3.jar
• jai_imageio-1.0.1.jar
• jai_codec.jar
• jai_core.jar