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20 hours ago •
WPIRoboticsProjects
WPIRoboticsProjects
RARE: Deserialization Exception
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What were the actions performed prior to this error appearing?
Loaded this file:
<grip:Pipeline>
<sources>
<grip:Camera>
<property name="deviceNumber" value="0"/>
</grip:Camera>
</sources>
<steps>
<grip:Step name="resize">
<grip:Input step="0" socket="0"/>
<grip:Input step="0" socket="1"/>
<grip:Input step="0" socket="2">
<value>0.3</value>
</grip:Input>
<grip:Input step="0" socket="3">
<value>0.3</value>
</grip:Input>
<grip:Input step="0" socket="4">
<value>INTER_LINEAR</value>
</grip:Input>
<grip:Output step="0" socket="0" previewed="true"/>
</grip:Step>
<grip:Step name="Desaturate">
<grip:Input step="1" socket="0"/>
<grip:Output step="1" socket="0" previewed="true"/>
</grip:Step>
<grip:Step name="Find Lines">
<grip:Input step="2" socket="0"/>
<grip:Output step="2" socket="0" previewed="true"/>
</grip:Step>
</steps>
<connections>
<grip:Connection>
<grip:Output step="0" socket="0" previewed="true"/>
<grip:Input step="1" socket="0"/>
</grip:Connection>
<grip:Connection>
<grip:Output step="1" socket="0" previewed="true"/>
<grip:Input step="2" socket="0"/>
</grip:Connection>
<grip:Connection>
<grip:Output source="0" socket="0" previewed="false"/>
<grip:Input step="0" socket="0"/>
</grip:Connection>
</connections>
</grip:Pipeline>
I've loaded this same file ~ 20 to 30 times and this is the first time that I experienced this problem.
Message: An event subscriber threw an exception
System Info:
| Property Name | Property |
|---|---|
| GRIP Version | 0.3.0 |
| javafx.version | 8.0.66 |
| java.runtime.name | Java(TM) SE Runtime Environment |
| java.vm.version | 25.66-b17 |
| java.vm.vendor | Oracle Corporation |
| java.vm.name | Java HotSpot(TM) 64-Bit Server VM |
| java.runtime.version | 1.8.0_66-b17 |
| java.awt.graphicsenv | sun.awt.CGraphicsEnvironment |
| javafx.runtime.version | 8.0.66-b17 |
| os.name | Mac OS X |
| os.version | 10.11.2 |
| os.arch | x86_64 |
| file.encoding | UTF-8 |
| java.vm.info | mixed mode |
| java.version | 1.8.0_66 |
| sun.arch.data.model | 64 |
| sun.cpu.endian | little |
Stack Trace:
java.lang.RuntimeException: /Users/saudet/projects/bytedeco/javacpp-presets/opencv/cppbuild/macosx-x86_64/opencv-3.0.0/modules/imgproc/src/color.cpp:7636: error: (-215) scn == 1 && (dcn == 3 || dcn == 4) in function cvtColor
at org.bytedeco.javacpp.opencv_imgproc.cvtColor(Native Method)
at edu.wpi.grip.ui.preview.LinesSocketPreviewView.convertImage(LinesSocketPreviewView.java:78)
at edu.wpi.grip.ui.preview.LinesSocketPreviewView.onSocketChanged(LinesSocketPreviewView.java:63)
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 com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at edu.wpi.grip.core.serialization.ConnectionConverter.unmarshal(ConnectionConverter.java:58)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.addCurrentElementToCollection(CollectionConverter.java:98)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCollection(CollectionConverter.java:91)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCollection(CollectionConverter.java:85)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:80)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshallField(AbstractReflectionConverter.java:480)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:412)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:263)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1206)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1190)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1061)
at edu.wpi.grip.core.serialization.Project.open(Project.java:67)
at edu.wpi.grip.core.serialization.Project.open(Project.java:61)
at edu.wpi.grip.ui.MainWindowController.openProject(MainWindowController.java:118)
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 sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1771)
at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.control.MenuItem.fire(MenuItem.java:462)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405)
at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:352)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:275)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$354(GlassViewEventHandler.java:388)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:387)
at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
at com.sun.glass.ui.View.notifyMouse(View.java:937)
No, this is really rare. We should still have a safety check around cvtcolor. I consider the opencv raw functions as somewhat dangerous. They are prone to segfaulting if you give the right input.
