Looking at this traces it seems to me that the file/line is consistent but
the member is completely off. That suggests that the wrong symbol map is
being used.

On Mon, Jul 30, 2018 at 4:40 AM Jens <jens.nehlme...@gmail.com> wrote:

> In production we sometimes get exceptions and we log them using
> StackTraceDeobfuscator class on the server (either symbol maps or source
> maps, depending on browser). However these stack traces are often broken
> when comparing the member with the file it should live in.
>
> Some examples:
>
> at Unknown.removeChild(Unknown@-1)
> at
> com.google.gwt.dom.client.Node.$removeChild(com/google/common/base/Joiner.java:198)
> at
> com.google.gwt.user.client.ui.SimplePanel.$remove(com/google/common/collect/super/com/google/common/collect/ImmutableList.java:41)
> at
> com.google.gwt.user.client.ui.SimplePanel.remove(com/google/common/collect/super/com/google/common/collect/ImmutableMap.java:239)
> at com.google.gwt.user.client.ui.SimplePanel$1.remove(SimplePanel.java:93)
> at
> com.google.gwt.user.client.ui.Panel.$clear(com/google/gwt/user/client/ui/Panel.java:75)
>
>
> at
> java.lang.Throwable.Throwable(com/google/gwt/emul/java/util/AbstractCollection.java:68)
> at
> java.lang.RuntimeException.RuntimeException(com/google/gwt/emul/java/util/AbstractList.java:208)
> at
> com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(com/google/common/collect/super/com/google/common/collect/ForwardingImmutableMap.java:108)
> at
> com.google.web.bindery.event.shared.SimpleEventBus.$doFire(com/google/common/collect/super/com/google/common/collect/ImmutableList.java:281)
> at
> com.google.gwt.place.shared.PlaceController.$goTo(com/google/gwt/emul/java/util/AbstractMap.java:167)
>
>
> at
> com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:656)
> at
> com.google.gwt.event.shared.UmbrellaException.UmbrellaException(com/google/gwt/http/client/Request.java:247)
> at
> com.google.gwt.event.shared.HandlerManager.$fireEvent(HandlerManager.java:638)
>
>
> Any idea how this could happen and where to look at, or is this kind of
> expected with current compiler?
>
> -- J.
>
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