Exception handling is a programming language construct or computer hardware mechanism designed to handle the occurrence of exceptions, special conditions that change the normal flow of program execution.

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Catching async operation exception is not working

I have TCP Client fromSystem.Net.Sockets public async void startTCP(){await client.ConnectAsync(IPAddress, port);stream=client.GetStream();}I surround it with try catch block but ...
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20 views

Spring Kafka Unable to catch RetriableException

I have an application which is built around spring kafka. One of the use case is if kafka is unreachable (Producer) then we need to increment a counter and then retry the complete flow.Retry is ...
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27 views

Getting 'message' from a custom exception class

This question refers to an answer here. I need to access message of a custom exception. Is this possible?I thought that directly calling message will suffice as in this example:class MyCustomError ...
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13 views

Validating possibilities for HashMap access

Im asking myself what could be the more elegant way of validating a HashMap access.Map<String, String> m=new HashMap<>();if(m.hasNext()){...}elseSystem.out.println("Error."...
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25 views

Exception When handling Custom AlertDialog with ButterKnife

Hello guys iam realy Confused i spent over 17 hours try to fix this Problem but No hope Am try to show Custom Dialog with > AlertDialog.Builder when i Click Button but when i run the App ...
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1answer
47 views

Storing exceptions in a list

I am trying to catch all exceptions and store them in a C# list. How do I do that. I created a custom exception class that contains my custom exception. I then created another class called ...
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44 views

How to validate input through constructor in java

I have read that it is possible to create a constructor that checks whether the input is correct or not and I tried doing so with an IllegalArgumentException. My code works fine as long as I do not ...
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38 views

How to use exception handling inside for loop with switch statement [on hold]

my requirement is to test all the exceptions in the main(). For this, I have to implement a for loop with a switch statement followed by the catch block inside the loop. I have no idea how would I use ...
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22 views

What is the need of finally block in java?

Consider the code from java docs below:public void writeList() {PrintWriter out=null;try {System.out.println("Entering" + " try statement");out=new PrintWriter(new ...
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19 views

Caused by java.lang.SecurityException: Permission Denial: reading com.android.mail.providers

I am getting this exception how to fix it?Caused by java.lang.SecurityException: Permission Denial: reading com.android.mail.providers.GmailAccountCacheProvider uri content://com.google.android.gm2....
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12 views

JavaEE 7 code example

I am studying JavaEE and would like to examine an open source layered application. Good example would be some RESTful service with ORM and ejbs and managed with Maven.The most important parts would ...
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62 views

Error: “,” expected instead of “noexcept”

Whenever I am trying to implement the exception handling class in C++ getting the following error. I have searched the same error information in Stack Overflow. But even not able to fix issue. Please ...
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45 views

std::unique_ptr dereference exception not catch-ed in try-catch block

So lets say I have:struct test {bool a;int b;};int main(){std::unique_ptr<test> ptr;// don't init the ptrtry{if (!ptr->a){...
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2answers
14 views

Exceptions handler for getenv()

How can I handle NullPointerException and SecurityException for that kind of line code:public final static String PROJECT_DIR=System.getenv().get("HOME") + "/Projects/MyTestProject";It will be ...
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6 views

Uncaught exception inside uncaughtException handler?

I'm working on a high-reliability Node.js-based system, and if there's an unhandled exception then I want to log a message and restart the system. But, what happens if my unhandledException handler ...

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