Issue reloading applet using javascript

Question

I developed an applet and I reload it when it finishes some task. I accomplished that using javascript:

function startApplet() {
  // code to setup "object" tag
  var appletHtml = '<object name= ....'
  document.getElementById("applet_tag").innerHTML = appletHtml;
}

function restartApplet() {
  if (document.getElementById("applettag")) {
    document.getElementById("applet_tag").innerHTML = '';
  }
  startApplet();
}

That works perfectly in some machines but in others the javascript code is executed but the applet doesn't reload (disappear current instance, start a new one)

I already tried with <param name="cache_option" value="no"> or using jquery code to reset applet div with no success.

Anyone knows about this issue or knows another way to reload the applet without refreshing page?

Edit: More info about issue:

Looking at Java console, I infer that applet efectively restart, but I think I need that the applet restart in a new JVM instance. Below, I attached an extract of the java console:

basic: Applet loaded.
...
basic: Applet initialized
basic: Starting applet
...
basic: Applet started
basic: Told clients applet is started
basic: Starting applet teardown
basic: Finished applet teardown
basic: Removed progress listener: sun.plugin.util.ProgressMonitorAdapter@d062ed
basic: PluginMain.unregisterApplet: 1 from mananger sun.plugin2.applet.Applet2Manager@ca5165

basic: Added progress listener: sun.plugin.util.ProgressMonitorAdapter@185c219
basic: Plugin2ClassLoader.addURL parent called for http://...
basic: Applet loaded.
basic: Applet resized and added to parent container
basic: PERF: AppletExecutionRunnable - applet.init() BEGIN ; jvmLaunch dt 359544 us, pluginInit dt 55298741 us, TotalTime: 55658285 us
Applet inicializado
basic: Applet initialized
basic: Starting applet
basic: completed perf rollup
basic: Applet made visible
basic: Applet started
basic: Told clients applet is started

possible duplicate of Using separate_jvm to start applet in individual JVMs not always working — bummi
– bummi, Commented May 1, 2015 at 6:50

Community · Accepted Answer · 2017-05-23 11:58:28Z

1

I found the solution in applet in new jvm, using separate_jvm applet parameter, official deployment documentation in applet deployment. Thank you.

edited May 23, 2017 at 11:58

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answered Jun 10, 2013 at 18:21

Gabriel

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Comments

tgkprog · Accepted Answer · 2013-06-10 15:15:59Z

0

instead of directly calling startApplet put it on a 15 second timeout. That will allow the jvm to exit.

function restartApplet() {
    if (document.getElementById("applettag")) {
        document.getElementById("applet_tag").innerHTML = '';
    }
    setTimeout("startApplet()", 15000);

}

New JVM Not tried this but you could

var apltIdCnt = 1
function startApplet() {
    // code to setup "object" tag
    var appletHtml = '<div id=aplInner'  + apltIdCnt + ' <object name= ....'
    document.getElementById("applet_tag").innerHTML = appletHtml;
    apltIdCnt += 1 ;//or apltIdCnt++
}

this might help if other tags have a different jvm

edited Jun 10, 2013 at 15:15

answered Jun 8, 2013 at 16:39

tgkprog

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4 Comments

Gabriel Over a year ago

Thank you tgkprog, but the issue is still present. In my post I added some extra info.

tgkprog Over a year ago

not sure about a new jvm. can you put a new simple applet on same page and run in same browser and see if it has 2 jvms? then maybe you need to make a new div tag (with a new id); see edit in answer

Gabriel Over a year ago

I tried with different tag id with no change in result. Thank you anyway.

tgkprog Over a year ago

i see you found a solution and it was part of the API - great!

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