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Quick Lists
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Bug ID:
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4751259
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Votes
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6
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Synopsis
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Java->JS crashes IE with JPI 1.4.0_02/ NPE with 1.4.1
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Category
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java_plugin:iexplorer
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Reported Against
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1.4
, 1.4.1
, 1.4.2
, 1.4.0_02
, mantis-beta
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Release Fixed
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1.4.1_07,
1.4.2_02(Bug ID:2058895)
, 1.5(tiger) (Bug ID:2058896)
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State
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10-Fix Delivered,
Verified,
bug
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Priority:
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4-Low
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Related Bugs
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4751952
,
4802120
,
4879884
,
4948594
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6534719
,
6639429
,
6642444
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Submit Date
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21-SEP-2002
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Description
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Customer Problem Description:
The foll applet works fine on IE6.0 and default customer VM.
The same crashes the browser with jpi 1.4.0_02. It gives a
NPE with jpi 1.4.1.
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Work Around
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N/A
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Evaluation
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The HTML page attached with bug report results in creating plug-in frame, it gets destroyed immediately, and then the frame is created again. When the frame is created for the second time, we fail to create new plug-in object, instead we use the old plug-in object which is not initialized correctly and this results in NullPointerException. The crash in 1.4.0_0x releases is duplicate of #4599575
I could modify the HTML page to have the applet loaded. However, the second call in the javascript fails because private class's method is accessed. When I make the class public, the applet works fine. The modified HTML and Java files are available in the attached zip file called working.zip
xxxxx@xxxxx 2002-09-2
This requires modification to plug-in shutdown sequence which will be a major change. Hence will commit to tiger. Since this test case is not a common scenario, I will lower the priority to p4.
For the error reported in the coments section, we can file a another bug.
xxxxx@xxxxx 2002-11-12
When any control is loaded through an APPLET tag which is generated dynamically, the control is inplace activated, deactivated and then activated again. This looks to be a Microsoft bug.
The workaround in our code is to reload the control
xxxxx@xxxxx 2003-08-03
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Comments
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Submitted On 03-MAR-2003
rbpulse
I'm getting this exception on 1.4.1_02 with Javascript that
assigns text containing the applet tag to an element's
innerHTML.
Submitted On 23-MAR-2003
hongmeng
I'm also getting this exception. Here is a sample HTML page.
Substitude testApplet for your own. For me (IE6 under
1.4.1_02) the work around is to remove either "height=xxx" or
width="xxx" from the <Applet> tag. If both are there, there is
an exception. If only one is there, no exception is generated.
<HTML>
<HEAD>
<TITLE>TEST</TITLE>
<Script Language="javascript">
function test1() {
document.all.Table1.rows(0).cells
(0).innerHTML="<Applet code=\"testApplet1.class\" width=200
height=100 align=Bottom></Applet>";
}
</Script>
</HEAD>
<BODY>
<Table ID="Table1"><TR><TD>Hello</TD></TR>
</Table>
<A href="javascript:test1();">test1</A><BR>
</BODY>
</HTML>
Submitted On 15-JUL-2003
blmatthews
I've been using the "one of height & width" workaround, but
that appears to have stopped working in 1.4.2. Has anyone
else experienced that, and if so is there a new workaround for
1.4.2?
Submitted On 26-SEP-2005
ramankumar_gvspva
I am using 1.4.2_01 java plugin. Still I am experiencing the same problem. But when I see the release fixed it is mentioning "1.4.1_07 ".
Can anybody suggest, how this can be solved.
Raman Kumar.GVSPVA
PLEASE NOTE: JDK6 is formerly known as Project Mustang
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