java - Debugging in GWT 2.7 Super Dev Mode, stackTrace is missing? -


i migrated gwt 2.5.1 2.7 , first time using superdev mode. have enabled "javascript source maps" in chrome dev tools. in chrome console exception looks this:

com.google.gwt.event.shared.umbrellaexception: exception caught: input string: "a"   @ fillinstacktrace_0_g$   @ throwable_3_g$   @ exception_3_g$   @ runtimeexception_3_g$   @ umbrellaexception_3_g$   @ umbrellaexception_5_g$   @ fireevent_1_g$   @ fireevent_3_g$   @ firenativeevent_1_g$   @ onbrowserevent_2_g$   @ dispatcheventimpl_0_g$   @ dispatchevent_4_g$   @ dispatchevent_6_g$   @ apply_0_g$   @ entry0_0_g$   @ <anonymous> caused by: java.lang.numberformatexception: input string: "a"   @ fillinstacktrace_0_g$   @ throwable_2_g$   @ exception_2_g$   @ runtimeexception_2_g$   @ illegalargumentexception_2_g$   @ numberformatexception_2_g$   @ forinputstring_0_g$   @ __parseandvalidatedouble_0_g$   @ parsedouble_0_g$   @ double_2_g$   @ valueof_68_g$   @ onclick_109_g$   @ dispatch_6_g$   @ dispatch_7_g$   @ dispatch_1_g$   @ dispatchevent_2_g$   @ dofire_0_g$   @ fireevent_2_g$   @ fireevent_1_g$   @ fireevent_3_g$   @ firenativeevent_1_g$   @ onbrowserevent_2_g$   @ dispatcheventimpl_0_g$   @ dispatchevent_4_g$   @ dispatchevent_6_g$   @ apply_0_g$   @ entry0_0_g$   @ <anonymous> 

onmoduleload cacthing exceptions:

gwt.setuncaughtexceptionhandler(new gwt.uncaughtexceptionhandler() {         @override         public void onuncaughtexception(throwable e) {             gwt.log(e);         }     }); 

how can stacktrace? tried https://stackoverflow.com/a/24334132/1660637 couldn't manage work.

did try adding these gwt.xml file?

<set-property name="compiler.stackmode" value="emulated"/> <set-configuration-property name="compiler.emulatedstack.recordlinenumbers" value="true"/> <set-configuration-property name="compiler.emulatedstack.recordfilenames" value="true"/> 

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