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Questions - runtimeexception

Java: Messager vs runtime exception

In annotation processing, I am looking for a general guide as to when to use Messager, with Diagnostic.Kind.ERROR and when to use runtime exception. I know that using Messager will raise an error in t...
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Aria

java

runtimeexception

annotations-processing-messager

Votes: 0

Answers: 1

Latest Answer

I think this paragraph from the documentation of Processor is a good general guide. If a processor throws an uncaught exception, the tool may cease other active annotation processors. If a processor ...
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Aria

when trying to upload a sign, getting this java.lang.RuntimeException: java.lang.reflect.InvocationTargetException

getting crash trying to upload a sign Caused by: java.io.IOException: No such file or directory when clicking the submit button error logs are shown below class SignatureUploadFragment : BaseFr...
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Nns_ninteyFIve

android

kotlin

upload

sign

runtimeexception

Votes: 0

Answers: 1

Latest Answer

In the line above the line that creates the error, you are calling myDir.parentFile.mkdirs(), creating all directories up to the parent folder of myDir, but you are using myDir as the directory where ...
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Karsten Gabriel

How To throw RuntimeExcpetions from CompletableFuture.whenComplete exception block?

I need to re-throw the runtime exception from the CompletableFuture Exception block to the parent method, but looks like the runtimeException is getting logged at the exception block itself and not pr...
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m23

java

multithreading

asynchronous

completable-future

runtimeexception

Votes: 0

Answers: 1

Latest Answer

The calling code doesn't wait for the Future to complete or get the status. Here's the core of what needs to be added. CompletableFuture<Void> future = asyncTask.process(msg) .thenAccept(this:...
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drekbour

java.lang.RuntimeException: Unable to start activity ComponentInfo on a null object reference

Hello I have this error with my code : java.lang.NullPointerException: Attempt to invoke virtual method 'double fr.uge.bluetoothle.MapsActivity.calculDistance(double, double, double, double)' on a nul...
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Osika91

java

android

android-activity

nullpointerexception

runtimeexception

Votes: 0

Answers: 1

Latest Answer

Your call to mapsActivity.calculDistance() throws an exception because the variable mapsActivity is null. You haven't set the variable mapsActivity to anything. Looking at your code, the method calcul...
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David Wasser

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