Hi Maik,
https://www.canoo.com/jira/browse/UBA-6840 was fixed in ULC2008
How have you implemented your CellEditor? It must have a no args ctr. Else
you should get the following exception:
java.lang.IllegalArgumentException: Unable to clone given cell component:
class 'ULCValidationTextField' does not have an empty constructor and
overrides 'ICellComponent' contract.
at
com.ulcjava.base.server.CellComponentTemplateStorage.createTemplate(CellCo
mponentTemplateStorage.java:109)
Are you getting this message?
You can create your cell editor as follows where you can initialize
ULCValidationTextField in the no args ctr:
public class TextEditor extends ULCValidationTextField implements
ITableCellEditor {
public TextEditor() {
super (new ULCValidationModel(), "key",
ValidationConstants.TYPE_FOCUS_LOST);
setDataType(new ULCValidationDataType());
}
public IEditorComponent getTableCellEditorComponent(ULCTable
table, Object value, int row) {
return this;
}
}
BTW, please consider buying premium support for guaranteed response time.
Thanks and regards,
Janak
-----------------------------------------
Janak Mulani
email: [email protected]
url: http://www.canoo.com
Beyond AJAX - Java Rich Internet Applications
http://www.canoo.com/ulc
-----------------------------------------
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
> [email protected]
> Sent: Wednesday, January 06, 2010 8:53 PM
> To: [email protected]
> Subject: [ULC-developer] Crash after migration from 6.1.1 to
> ULC2008u3 caused by CellComponentTemplateStorage
>
> Hello ULC-Folks,
>
> after our ULC upgrade from 6.1.1 to 2008u3 we have a crash
> due to the usage of a validating table cell editor.
>
> java.lang.RuntimeException: Unable to create new instance of
> cell component
> at
> com.ulcjava.base.server.CellComponentTemplateStorage.createTem
> plate(CellComponentTemplateStorage.java:26)
> at
> com.ulcjava.base.server.CellComponentTemplateStorage.getTempla
> te(CellComponentTemplateStorage.java:38)
> at com.ulcjava.base.application.ULCTable.a(ULCTable.java:380)
> at
> com.ulcjava.base.application.ULCTable.requestCellEditorCompone
> nts(ULCTable.java:495)
> at
> com.ulcjava.base.application.ULCTable$ULCTableDispatcher.reque
> stCellEditorComponents(ULCTable.java:7)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess
> orImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth
> odAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.ulcjava.base.shared.internal.ReflectionUtilities.invokeMet
> hod(ReflectionUtilities.java:51)
> at
> com.ulcjava.base.application.ULCProxy.processInvokeULC(ULCProx
> y.java:67)
> at
> com.ulcjava.base.application.ULCProxy.handleRequest(ULCProxy.java:401)
> at
> com.ulcjava.base.server.ULCSession.processRequest(ULCSession.java:234)
> at
> com.ulcjava.base.server.ULCSession.processRequests(ULCSession.
> java:387)
> at
> com.ulcjava.base.development.DevelopmentContainerAdapter.proce
> ssRequests(DevelopmentContainerAdapter.java:4)
> at
> com.ulcjava.base.development.DevelopmentConnector.sendRequests
> (DevelopmentConnector.java:31)
> at
> com.ulcjava.base.client.UISession$k_.run(UISession$k_.java:66)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.InstantiationException:
> com.canoo.ulc.community.validation.ULCValidationTextField
> at java.lang.Class.newInstance0(Class.java:340)
> at java.lang.Class.newInstance(Class.java:308)
> at
> com.ulcjava.base.server.CellComponentTemplateStorage.createTem
> plate(CellComponentTemplateStorage.java:27)
> ... 17 more
>
> I investigated as far as the non available source code
> permits. My resuluts/guess is the following:
>
> The problem is caused by our ValidatingCellEditor (implements
> ITableCellEditor) which uses a ULCValidationTextField as
> editor component. This class does not posess a parameterless
> constructor, but the CellComponentTemplateStorage appears to
> try to create a new instance (beside the already existing
> one, which is always returned by
> getTableCellEditorComponent). This fails due to the missing
> constructor -> crash.
>
> How can i circumvent this problem?
>
>
> Kind regards
> Maik Scheibler
>
>
> Mit freundlichen Grüßen
> Maik Scheibler
>
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