Fiji is frozen after trying to launch a macro

“AWT-EventQueue-0” prio=6 id=17 group=main
java.lang.Thread.State: WAITING
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.awt.EventQueue.getNextEvent(EventQueue.java:554)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:187)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

“AWT-Shutdown” prio=5 id=14 group=system
java.lang.Thread.State: WAITING
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:295)
at java.lang.Thread.run(Thread.java:748)

“AWT-Windows” daemon prio=6 id=15 group=system
java.lang.Thread.State: RUNNABLE
at sun.awt.windows.WToolkit.eventLoop(Native Method)
at sun.awt.windows.WToolkit.run(WToolkit.java:312)
at java.lang.Thread.run(Thread.java:748)

“Attach Listener” daemon prio=5 id=6 group=system
java.lang.Thread.State: RUNNABLE

“DestroyJavaVM” prio=5 id=24 group=main
java.lang.Thread.State: RUNNABLE

“Finalizer” daemon prio=8 id=3 group=system
java.lang.Thread.State: WAITING
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)

“Java2D Disposer” daemon prio=10 id=13 group=system
java.lang.Thread.State: WAITING
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
at sun.java2d.Disposer.run(Disposer.java:148)
at java.lang.Thread.run(Thread.java:748)

“Reference Handler” daemon prio=10 id=2 group=system
java.lang.Thread.State: WAITING
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)

“SciJava-1cb3ec38-Thread-0” prio=5 id=12 group=main
java.lang.Thread.State: RUNNABLE
at java.lang.Thread.dumpThreads(Native Method)
at java.lang.Thread.getAllStackTraces(Thread.java:1610)
at org.scijava.plugins.commands.debug.DumpStack.run(DumpStack.java:81)
at org.scijava.command.CommandModule.run(CommandModule.java:196)
at org.scijava.module.ModuleRunner.run(ModuleRunner.java:165)
at org.scijava.module.ModuleRunner.call(ModuleRunner.java:124)
at org.scijava.module.ModuleRunner.call(ModuleRunner.java:63)
at org.scijava.thread.DefaultThreadService.lambda$wrap$2(DefaultThreadService.java:225)
at org.scijava.thread.DefaultThreadService$$Lambda$94/694695810.call(Unknown Source)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

“SciJava-1cb3ec38-Thread-1” prio=5 id=25 group=main
java.lang.Thread.State: TIMED_WAITING
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

“Signal Dispatcher” daemon prio=9 id=5 group=system
java.lang.Thread.State: RUNNABLE

Without including the macro that caused the error, I am not sure how much anyone could recommend. Is it any macro? A simple print statement? You have not included much information :slight_smile: