Cannot quite match your stack trace up with the latest code ... can you try
stepping through those lines in a debugger?
--
Jody Garnett
On 6 January 2015 at 18:47, 王保华 <wangbaohua2...@163.com> wrote:
> Dears,
> I am testing SelectionLab.java, which is copied from
> http://docs.geotools.org/latest/userguide/tutorial/map/style.html
> When selecting the "select" cursor and clicking on the map, console prints
> following errors:
>
> ----------------------------------------------------------------------------------------------
> java.lang.NullPointerException
> at
> org.geotools.data.shapefile.ShapefileFeatureSource.getReaderInternal(ShapefileFeatureSource.java:237)
> at
> org.geotools.data.shapefile.ShapefileFeatureStore.getReaderInternal(ShapefileFeatureStore.java:126)
> at
> org.geotools.data.store.ContentFeatureSource.getReader(ContentFeatureSource.java:563)
> at
> org.geotools.data.store.ContentFeatureCollection.features(ContentFeatureCollection.java:165)
> at org.geotools.tutorial.SelectionLab.selectFeatures(SelectionLab.java:281)
> at
> org.geotools.tutorial.SelectionLab$1$1.onMouseClicked(SelectionLab.java:148)
> at
> org.geotools.swing.event.DefaultMapMouseEventDispatcher.mouseClicked(DefaultMapMouseEventDispatcher.java:99)
> at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
> at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
> at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
> at java.awt.Component.processMouseEvent(Unknown Source)
> at javax.swing.JComponent.processMouseEvent(Unknown Source)
> at java.awt.Component.processEvent(Unknown Source)
> at java.awt.Container.processEvent(Unknown Source)
> at java.awt.Component.dispatchEventImpl(Unknown Source)
> at java.awt.Container.dispatchEventImpl(Unknown Source)
> at java.awt.Component.dispatchEvent(Unknown Source)
> at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
> at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
> at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
> at java.awt.Container.dispatchEventImpl(Unknown Source)
> at java.awt.Window.dispatchEventImpl(Unknown Source)
> at java.awt.Component.dispatchEvent(Unknown Source)
> at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
> at java.awt.EventQueue.access$400(Unknown Source)
> at java.awt.EventQueue$3.run(Unknown Source)
> at java.awt.EventQueue$3.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
> at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
> at java.awt.EventQueue$4.run(Unknown Source)
> at java.awt.EventQueue$4.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
> at java.awt.EventQueue.dispatchEvent(Unknown Source)
> at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> at java.awt.EventDispatchThread.run(Unknown Source)
>
> -------------------------------------------------------------------------------------------------
> It happens at:
> SimpleFeatureIterator iter = selectedFeatures.features();
> in selectFeatures()
> Does anyone come across similar things?
> Thx.
>
>
>
>
> ------------------------------------------------------------------------------
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------------------------------------------------------------------------------
Dive into the World of Parallel Programming! The Go Parallel Website,
sponsored by Intel and developed in partnership with Slashdot Media, is your
hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net
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