java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.NullPointerException:
at net.imagej.legacy.IJ1Helper.setVisible(IJ1Helper.java:295)
at net.imagej.legacy.ui.LegacyUI.show(LegacyUI.java:129)
at org.scijava.ui.DefaultUIService.showUI(DefaultUIService.java:155)
at org.scijava.ui.DefaultUIService.showUI(DefaultUIService.java:140)
at org.scijava.AbstractGateway.launch(AbstractGateway.java:101)
at net.imagej.Main.launch(Main.java:62)
at net.imagej.Main.main(Main.java:68)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.imagej.launcher.ClassLauncher.launch(ClassLauncher.java:279)
at net.imagej.launcher.ClassLauncher.run(ClassLauncher.java:186)
at net.imagej.launcher.ClassLauncher.main(ClassLauncher.java:77)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.