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  1. #1
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    zenithying is on a distinguished road

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    Exclamation Unknown Bug

    Unknown Bug


    Suddenly throw an exeception:

    14:45:15.171 [ERROR] [msgbrdmgr] Uncaught exception escaped
    com.google.gwt.dev.shell.HostedModeException: Something other than a boolean was returned from JSNI method '@com.extjs.gxt.ui.client.core.DomQuery::is(Lcom/google/gwt/user/client/Element;Ljava/lang/String': JS value of type undefined, expected boolean
    at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:100)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNativeBoolean(ModuleSpace.java:186)
    at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeBoolean(JavaScriptHost.java:35)
    at com.extjs.gxt.ui.client.core.DomQuery.is(DomQuery.java)
    at com.extjs.gxt.ui.client.core.El.findParentElement(El.java:703)
    at com.extjs.gxt.ui.client.widget.grid.GridView.findRow(GridView.java:282)
    at com.extjs.gxt.ui.client.widget.grid.GridView.findRowIndex(GridView.java:292)
    at com.extjs.gxt.ui.client.event.GridEvent.getRowIndex(GridEvent.java:115)
    at com.extjs.gxt.ui.client.widget.grid.GridView.handleComponentEvent(GridView.java:1165)
    at com.extjs.gxt.ui.client.widget.grid.Grid.onComponentEvent(Grid.java:514)
    at com.extjs.gxt.ui.client.widget.Component.onBrowserEvent(Component.java:884)
    at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1310)
    at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1266)
    at sun.reflect.GeneratedMethodAccessor293.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:326)
    at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:207)
    at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:129)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
    at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
    at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
    at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:214)
    at sun.reflect.GeneratedMethodAccessor287.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
    at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:281)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:531)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:352)
    at java.lang.Thread.run(Thread.java:662)

  2. #2
    Software Architect
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    sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light

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    Default


    Do you know how to reproduce this or do yoiu just have this stacktrace?

  3. #3
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    Default


    I usually get similar error in debug mode then i save some changes without refreshing the page.

  4. #4
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    Default


    Quote Originally Posted by sven View Post
    Do you know how to reproduce this or do yoiu just have this stacktrace?
    After loading the page, I didn't do anything and left it for a while, this stacktrace would suddenly show up at the "Devlopment Mode" in Eclipse. I can reproduce this but I don't know what caused this exception.

  5. #5
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    leo.nomdedeu is on a distinguished road

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    Default Unknown Bug

    Unknown Bug


    I do also get this stacktrace ...

    Is there any problem or is just a dev issue?

  6. #6
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    Default


    Are you using Chrome?

  7. #7
    Sencha User WesleyMoy's Avatar
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    Default


    What browser are you using?

    There is a known GWT development mode bug where occasional JSNI errors will occur, especially in Chrome. See http://code.google.com/p/google-web-...detail?id=5778. In our experience, using development mode with Firefox has proven more reliable, so try switching to Firefox to see if this problem still occurs for you.

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