[EvA] A peculiare Error while running EvA2.jar library from commandprompt

[nikhil niranjan]

Hi,

I am using the Eva2.jar library to develop an application in Java. I have successfully managed to achieve it. It runs fine when I use NetBeans IDE but when the same is run from command prompt it generates error.

The error printStack shows following line as the source.

GenericConstraint const1 = new GenericConstraint("-(x0, 489.94831)",       ConstraintRelationEnum.greaterEqZero);

The Syntax used to run it from command prompt is:

C:\Documents and Settings\151600\Desktop\EMS run>C:"\\Program Files\\"Java\jdk1.6.0_11\bin\java -Xmx256m -jar EMSConfigModule.jar

I am copy-pasting the error:

String has unknown prefix: -(x0,489.94831)
String has unknown prefix: -(x0,489.94831)
Exception occurred during event dispatching:
java.lang.NullPointerException
        at eva2.server.go.individuals.codings.gp.AbstractGPNode.parseFromString(
AbstractGPNode.java:240)
        at eva2.server.go.operators.constraint.GenericConstraint.compileConstrai
nt(GenericConstraint.java:52)
        at eva2.server.go.operators.constraint.GenericConstraint.<init>(GenericC
onstraint.java:31)
        at eva2.server.go.operators.constraint.GenericConstraint.<init>(GenericC
onstraint.java:35)
        at NetworkSimulation.ProbDE.<init>(ProbDE.java:82)
        at NetworkSimulation.Simulation.<init>(Simulation.java:91)
        at NetworkSimulation.SimulationWindow.actionPerformed(SimulationWindow.j
ava:129)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:19
95)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.jav
a:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242
)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonL
istener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:6134)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5899)
        at java.awt.Container.processEvent(Container.java:2023)
        at java.awt.Component.dispatchEventImpl(Component.java:4501)
        at java.awt.Container.dispatchEventImpl(Container.java:2081)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4301
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3965)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3895)
        at java.awt.Container.dispatchEventImpl(Container.java:2067)
        at java.awt.Window.dispatchEventImpl(Window.java:2458)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThre
ad.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.
java:184)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.
java:178)
        at java.awt.Dialog$1.run(Dialog.java:1047)
        at java.awt.Dialog$3.run(Dialog.java:1099)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Dialog.show(Dialog.java:1097)
        at java.awt.Component.show(Component.java:1447)
        at java.awt.Component.setVisible(Component.java:1400)
        at java.awt.Window.setVisible(Window.java:824)
        at java.awt.Dialog.setVisible(Dialog.java:987)
        at NetworkSimulation.SimulationWindow.<init>(SimulationWindow.java:45)
        at LayoutConfigurationModule.MouseSenser$MenuActionListener.actionPerfor
med(MouseSenser.java:259)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:19
95)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.jav
a:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242
)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1
225)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMen
uItemUI.java:1266)
        at java.awt.Component.processMouseEvent(Component.java:6134)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5899)
        at java.awt.Container.processEvent(Container.java:2023)
        at java.awt.Component.dispatchEventImpl(Component.java:4501)
        at java.awt.Container.dispatchEventImpl(Container.java:2081)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4301
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3965)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3895)
        at java.awt.Container.dispatchEventImpl(Container.java:2067)
        at java.awt.Window.dispatchEventImpl(Window.java:2458)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThre
ad.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.
java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.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)

Please help me rectify the error.

Awaiting a reply.

Thanks & regards,

Nikhil Niranjan


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