Hi,

I opened some data from GeoJSON and I can't edit the schema. Apply changes 
yields just an error message. However, if I save the data into JML or GeoJSON 
and open it from the disk, then I can edit the schema.  So unfortunately I 
can't provide with test data. Here is the error, though



java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.String
                             at 
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.convert(ViewSchemaPlugIn.java:346)
                             at 
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.convert(ViewSchemaPlugIn.java:287)
                             at 
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.applyChanges(ViewSchemaPlugIn.java:165)
                             at 
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn.access$300(ViewSchemaPlugIn.java:77)
                             at 
com.vividsolutions.jump.workbench.ui.plugin.ViewSchemaPlugIn$EditSchemaFrame$3.actionPerformed(ViewSchemaPlugIn.java:746)
                             at 
com.vividsolutions.jump.workbench.ui.SchemaPanel.fireActionPerformed(SchemaPanel.java:687)
                             at 
com.vividsolutions.jump.workbench.ui.SchemaPanel.applyButton_actionPerformed(SchemaPanel.java:677)
                             at 
com.vividsolutions.jump.workbench.ui.SchemaPanel$14.actionPerformed(SchemaPanel.java:448)
                             at 
javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
                             at 
javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
                             at 
javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
                             at 
javax.swing.DefaultButtonModel.setPressed(Unknown Source)
                             at 
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(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$500(Unknown Source)
                             at java.awt.EventQueue$3.run(Unknown Source)
                             at java.awt.EventQueue$3.run(Unknown Source)
                             at 
java.security.AccessController.doPrivileged(Native Method)
                             at 
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown
 Source)
                             at 
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown
 Source)
                             at java.awt.EventQueue$4.run(Unknown Source)
                             at java.awt.EventQueue$4.run(Unknown Source)
                             at 
java.security.AccessController.doPrivileged(Native Method)
                             at 
java.security.ProtectionDomain$JavaSecurityAccessImpl.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)

This is what I get with Copy schema from the failing layer

GEOMETRY      GEOMETRY
gml_id               STRING
mtk_id               LONG
gidm                   STRING
dimension        LONG
sijaintitarkkuus                           LONG
aineistolahde  LONG
alkupvm            STRING
kohderyhma   LONG
kohdeluokka   LONG
keskikorkeus  STRING
saannostelynalaraja                  STRING
saannostelynylaraja                  STRING
vedenpinnankorkeusluvutviittaus                   STRING
versio                 LONG
R_G_B               STRING

If I use Paste style to a new layer only "gml_id" gets created.

-Jukka Rahkonen.
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