Roger Whitcomb created PIVOT-994:
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Summary: BXMLExplorer is getting a null display for a visible
owner window.
Key: PIVOT-994
URL: https://issues.apache.org/jira/browse/PIVOT-994
Project: Pivot
Issue Type: Bug
Components: core-beans
Affects Versions: 2.0.4, 2.1
Environment: All
Reporter: Roger Whitcomb
Assignee: Roger Whitcomb
Priority: Minor
Fix For: 2.1, 2.0.5
Run the BXML Explorer Tutorial application. Open up the
"org/apache/pivot/tests/alert_prompt_test.bxml" file and try to bring up any of
the alerts or prompts. There will be an IllegalArgumentException that "display
is null."
The stack trace (for 2.0.x) shows this:
java.lang.IllegalArgumentException: display is null.
at org.apache.pivot.wtk.Window.open(Window.java:630)
at org.apache.pivot.wtk.Dialog.open(Dialog.java:186)
at org.apache.pivot.wtk.Alert.alert(Alert.java:359)
at org.apache.pivot.wtk.Alert.alert(Alert.java:331)
at jdk.nashorn.internal.scripts.Script$3$\^eval\_.:program(<eval>:1)
at
jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:637)
at
jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:494)
at
jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:393)
at
jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:449)
at
jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:406)
at
jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:402)
at
jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:155)
at javax.script.AbstractScriptEngine.eval(Unknown Source)
at
org.apache.pivot.beans.BXMLSerializer$AttributeInvocationHandler.invoke(BXMLSerializer.java:156)
This sequence shows that "owner.getDisplay()" is returning null at Alert.open()
time, even though the owner window is clearly visible at the time.
This could possibly be due to Nashorn scripting issues with Java 8, since the
"window" variable would be set in the JS namespace, but this doesn't really
explain why the "display" value is null, and not the "window" value itself.
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