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via Geographic Information Systems by iant
, 1 year ago
java.lang.NullPointerException
java.lang.NullPointerException: 	at org.geotools.process.vector.UnionFeatureCollection.execute(UnionFeatureCollection.java:57)	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:498)	at org.geotools.process.factory.AnnotationDrivenProcessFactory$InvokeMethodProcess.execute(AnnotationDrivenProcessFactory.java:549)	at org.geoserver.wps.executor.ProcessStartupFilter$ProcessStartupWrapper.execute(ProcessStartupFilter.java:51)	at org.geoserver.wps.executor.DefaultProcessManager$ProcessCallable.call(DefaultProcessManager.java:201)	at org.geoserver.wps.executor.DefaultProcessManager$ProcessCallable.call(DefaultProcessManager.java:169)	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)