C++ :: Unhandled Exception At 0x0f85d442
Sep 21, 2013
I have been assigned to create a search function in text file, but I received this error when I run the program and try to search: Error message: Unhandled exception at 0x0f85d442 (msvcr100d.dll) in Ticket.exe: 0xC0000005: Access violation reading location 0xcccccd08.
I don't know what is the exactly problem. So I just copy everything and paste here. Please don't fear of these codes, I have 2 files only, but I will paste 3 files here, the one is prototypes.h, then the main.cpp, the last one is part of my function that can working well alone, but when I put them into main.cpp I will get the error message like I mentioned before.
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Sep 9, 2012
I'm getting Unhandled exception when try to run option 3.
This my code below.
Code:
#include <iostream>
#include <string>
using namespace std;
struct Vet {
string name;
int numOfAnimals;
string phoneNum;
[code]....
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Mar 27, 2014
#include <iostream>
#include <fstream>
#include <string>
#include <locale>
#include <vector>
#include <algorithm>
#include <set>
using namespace std;
//*******************************************************************
bool char_compare(const char& d1, const char& d2)
[code]....
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Dec 20, 2014
I can't even make a guess what could be the problem here. I think it is easier tho show a video:
I think it describes my problem. I don't know what's my mistake! The debugger doesn't really work, I don't use malloc or free.
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Dec 6, 2013
I'm trying to run this program, but at one point it crashes and gives me the following error:
Code:
#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
#include<conio.h>
using namespace std;
const int maxtries=5;
int letterFill (char, string, string&);
[Code] ....
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Jan 30, 2014
My perceptron's train function seems to materialize my BadInput exception object out of nowhere. Yet, everything works fine.
And when I put an forever loop in main to validate the output with many different inputs, I get a bad_alloc exception and a call to terminate().
BadInput.hpp
Code:
#ifndef BADINPUT_HPP
#define BADINPUT_HPP
class BadInput {
public:
BadInput(int val):difference(val) {
[Code] ....
I cannot figure out why train() is throwing an exception...feedforward didn't, as it's error message never printed.
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Feb 14, 2013
I catch an exception and want to log it on the console. This works as exepcted, but Valgrind shows me a set of invalid reads.
Here the code of the catch-block:
} catch(HGL::IOException &e) {
logError(e);
}
The signature of the logDebug is: BasicLogger &operator<<(const std::exception &e);
Now valgrind shows me 4 errors like that:
==20943== Invalid read of size 1
==20943== at 0x402C658: strlen (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==20943== by 0x41554DD: std::basic_ostream<wchar_t, std::char_traits<wchar_t> >& std::operator<< <wchar_t, std::char_traits<wchar_t> >(std::basic_ostream<wchar_t, std::char_traits<wchar_t> >&, char const*) (in /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16)
[Code] .....
Generally I dislike invalid read in my code, even if they are harmless like in that case.
If I don't pass a reference, but a copy of the exception, I don't get this invalid reads, but also loose all information, because of the implicit upcasting.
Why I get the illegal read, resp. why std::wstring is deleting it on the way to the <<-operator?
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Oct 25, 2014
I know how exception handling works, but how should I actually use it in action? Let's say I have something like this:
Class X
{
public:
X();
//Pre-condition: example can't be 3.
void number(int example);
[code]......
If I know that the exception can only happen at the beginning of the function, is it okay to catch it right away?
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Jul 18, 2014
I'm trying to do some operator overloading, the function is supposed to add the values at index [i] of two vectors and place the result in the returning vector. The problem is I keep getting a vector out of range. This is the overloaded operator I'm working with (relatively new to these):
vector<float> operator+(const vector<float>& a, const vector<float>& b){
unsigned long size;
vector<float> temp;
if(a.size() >= b.size())
size = a.size();
[Code] .....
and then I would do something like this in the main:
vector<float> v, v1, v2;
v1.push_back(9.1);
...
v2.push_back(8);
...
v = v1 + v2;
but when I try to output the vector v I just get a vector out of range exception.
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Feb 24, 2013
I'm making an "improved" array for my programing class. It's currently unfinished, so you might see some commented out code. I'm trying to debug what I have.
I keep getting these errors when I try to complile my main.cpp:
In file included from main.cpp:3:0:
array.h:107:43: error: expected type-specifier before ‘out_of_range’
array.h:107:43: error: expected ‘)’ before ‘out_of_range’
array.h:107:43: error: expected initializer before ‘out_of_range’
array.h:121:55: error: expected type-specifier before ‘out_of_range’
array.h:121:55: error: expected ‘)’ before ‘out_of_range’
array.h:121:55: error: expected initializer before ‘out_of_range’
My main file:
#include <iostream>
#include <stdexcept>
#include "array.h"
using namespace std;
using namespace ArrayNameSpace;
int main()
{
Array<int> testSubject(5);
return 0;
}//End main
aannnd my Array.h file:
//ADD CONSTS TO METHODS
//CURRENTLY WORKING ON EXCEPTIONS AND BRACKET[] OVERLOADS. I HAVE TO FIGURE OUT SOLUTIONS FOR REACHING
//INDEXES FOR CHARS AND ENUMS
#ifndef __array_H__
#define __array_H__
#include <stdexcept>
namespace ArrayNameSpace
{
[code]....
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Feb 17, 2015
write a program as described below: program that reads in two integers (age, social security number). You should write functions that throw an out-of-range exception forage (no negative numbers)SSN (must be a 9-digit integer) My code is written below:
#include "std_lib_facilities_4.h"
int main(){
int age = 0;
int ssn = 0;
[Code].....
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Apr 14, 2012
If a class A contains an array of objects of another class B.. And in the constructor of A, while constructing objects of B, any one object throws an exception, then how can we guarantee to release all the memory acquired.. so that there is no memory leak..
class B{};
class A{
public:
B Array[100];
...
};
In the above code, if in constructor of A, suppose 99 objects of B are constructed successfully, but 100th object throws exception, then how can we guarantee to release all the memory acquired by the other 99 objects?
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Mar 12, 2014
I have one problem deleting a file with boost. The file is opened in another application and cannot be deleted. I am supposed to received an exception error but I don't get it.
Here is my piece of code, very simple:
bool delete_file(const string &path) {
boost::filesystem::path bpath(path);
try {
if (boost::filesystem::remove(bath)) return true;
[Code] ....
I have put a breakpoint inside the catch part but it does not come to this point. Instead, the the output window of visual studio, I got these lines:
First-chance exception at 0x00007FFD2E575A88 in site_server.exe: Microsoft C++ exception: boost::filesystem::filesystem_error at memory location 0x00000070F8E3E920.
Unhandled exception at at 0x00007FFD2E575A88 in site_server.exe: Microsoft C++ exception: boost::filesystem::filesystem_error at memory location 0x00000070F8E3E920.
How to manage this situation?
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Feb 12, 2015
It is advisable not to throw the exception from destructor. Because if exception happens stack unwinding happens. suppose the destructor again throws the exception then on part of first exception again one exception is thrown and exceptions can not be handled at same time. This is what i read from stack over flow.
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Jun 9, 2012
I'm out of track how to realize one point in exercise condition wording :
Give the OutOfBoundsException class a constructor with an int as argument that indicates the erroneous array index and store it in a data member.
How should I change the code below .
Code:
//array.h
#ifndef Array_H
#define Array_H
#include "point.h"
#include <string>
using namespace std;
class Array {
private:
Point* m_data; // Dynamic Array of Point pointers
[code]....
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Nov 15, 2013
I have a date class and i overloaded operator >> to accept input in dd/mm/yyyy format. if i enter the wrong date format my program will crash. How do i do exception handling for this? How should i do the try part? and for catch, I'll just catch a date class variable?
Code:
void operator >> (istream &is, clsDate &date) {
string inputDate;
is >> inputDate;
int mm = stringToNumber(inputDate.substr(3,2)); // read 2 characters from character number 3 start
int dd = stringToNumber(inputDate.substr(0,2)); // read 2 characters from character number 0 start
int yy = stringToNumber(inputDate.substr(6,4)); // read 4 characters from character number 6 start
[Code] .....
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Feb 12, 2015
When creating an exception mask for a file, should an exception throw during a file operation, I can reset the state bits of the actual file using ios::clear().
Though after doing so, will the exception mask still throw an exception, thinking that the specified error state flags are still set to true? If so, how can I reset the exception mask so that it is ready to throw more exceptions should the appropriate situations arise in the future?
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Dec 26, 2013
I tried to write a little bit of code to set all bits within a signed int with exception to the MSB, yielding the greatest max positive value. The odd part is that it works for shorts ints, and longs, which are 2, 4 and 4 bytes respectively, however long longs, with a size of 8 bytes, simply yields -1, which would indicate that it failed to clear the MSB. Heres the little segment in question:
template<typename T>
T getMax() {
return my::numerics<T>::is_signed ?
~0 ^ (1 << ((sizeof(T)*8)-1) ):
~0;
}
my::numerics is just an exercise- its thoroughly tested and I'm certain thats not the issue.
For shorts, ints, longs, this yields the maximum value. However, when I use it on long longs, the output is 0xFFFFFFFFFFFFFFFF, i.e. ~0. Obviously this means the maximum value for unsigned long longs, but -1 for signed long longs.
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Apr 11, 2014
Below is exception proof approach of assignment operator shared by scott meyer. Is it safe to delete the raw pointer.
int *orig =m_p;
m_p=new int (*obj.m_p);
delete orig;
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Jul 9, 2014
Why would the following line of code cause an exception and how can I fix it? This is with Visual Studio 2013 and it is set to use "Multibyte Character Set". This is a very old program that I was updating.
Code: thepath = dadir + "*.csv";
Both dadir and thepath are type CString.
Prior to this line dadir looks fine when I look at it in the debugger but when I reach this line of code I get
First-chance exception at 0x0FA08EE1 (mfc120d.dll) in GAQUtilities2014.exe: 0xC0000005: Access violation reading location 0xFEFEFFC6.
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Aug 26, 2014
Here when NonlinearSolver called the constructor,
m_gradient() constructor is called to construct m_gradient, which in turns sets a variable called m_S to NULL(0), then in the assignment operator, because the m_S is NULL, Visual Studio throws an exception saying that destination pointer is null, but it's not fatal. I don't like that to happen because I have to press ignore many many times when the program is debugged, how can I fix this bug (not mine) to avoid the null destination pointer exception?
As an intermediate layer, the function calls boost unbounded array operator = which in turns calls std::copy which results in this error
Code:
NonlinearSolver(solver_type const & solver)
: m_gradient()
, m_function()
, m_projection() {
*this = solver;
[Code] .....
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Dec 18, 2014
I am creating 5 different tables each one has 20000 more elements more than the previous when i try to sort them with the sort algorithm quick sort for the first table tha has 20000 elements runs grate then it throws this exception how is this fixable ?
Exception : terminate called after throwing an instanceof 'std::bad_alloc' this application has Requested the Runtime to terminate it in an unusual way. Please contact the applications's support team for more information. Process returned 255(0xFF) . here is the code that gives this return :
Code:
#include<time.h>
#include<stdlib.h>
#include <string.h>
#include <ctime>
using namespace std;
int * Create_Table(int table[],int N);
[Code] .....
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Jan 10, 2013
A test program of mine loads a shared library (.so file). A function call in the shared library throws an exception that I am trying to catch in the main function of my test program. (I know that exception is being thrown for sure, I wrote the library to do that.)
However in the main program, the exception is not being caught. The flow of program goes past the catch block like no error has occurred. I am using g++ and I load the shared file using -l option. Only trying to load the program statically I got the following error:
/usr/bin/ld: cannot find -lmy-shared-library
collect2: ld returned 1 exit status
Why the exception is not getting caught.
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Nov 24, 2013
writing a program that requires exception handling. if an error occurs, i what the program to go back to the begging of the loop. i tried using break but that just makes the program crash when it receives a bad input. how do i do this? this is what i have so far (this part of the program any ways)
while (! quit)
{
// Output phone book menu
cout << endl
[Code].....
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Jul 10, 2014
I am currently developing a sync module using asp.net. I am getting data from an external database (mysql database) The problem is I am getting the error "Connection unexpectedly terminated" when filling the dataset.
Here's my code
string P_contact = "SELECT A.id, B.firstname, B.middlename, B.lastname FROM Accounts A, Contacts B WHERE A.id = B.id";
MySqlDataAdapter db_P_contact = new MySqlDataAdapter(P_contact, conn);
DataSet ds3 = new DataSet();
DataTable dt3 = new DataTable();
[Code] ....
I am getting the exception on this line of code:
db_P_contact.Fill(ds3, "P_contact");
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Mar 15, 2015
I'm having some significant trouble with an assignment to create a postfix calculator that simulates the dc calculator function in linux. I have attached the handout with project instructions, but my main problem at the moment lies with parsing through the string input and adding the numbers into a stack of ints.
Project #2.pdf (47.78K)
Here's a brief summary of the methods used in the switch statement:
OPERATORS AND COMMMAND INPUTS
+ : Pops two values off the stack, adds them, and pushes the result.
- : Pops two values, subtracts the first one popped from the second one popped, and pushes the result.
* : Pops two values, multiplies them, and pushes the result.
/ : Pops two values, divides the second one popped from the first one popped, and pushes the result.
% : Pops two values, computes the remainder of the division that the / command would do, and pushes that.
Commands
p - Prints the value on the top of the stack, without altering the stack. A newline is printed after the value.
f - Prints the entire contents of the stack without altering anything. A newline is printed after each value
n - Prints the value on the top of the stack, pops it off, and does not print a newline after.
c - Clears the stack, rendering it empty.
d - Duplicates the value on the top of the stack, pushing another copy of it. Thus "4d*p" computes 4 squared and prints it.
r - Reverses the order of (swaps) the top two values on the stack.
Exception handling also needs to be added to account for division by zero and and invalid operator.
Right now my biggest problem is that I keep getting the following strange output where a 0 is automatically added to the stack when I call a function or operator. I realize this is probably because of the lines I have placed outside of the for loop that read
//END FOR LOOP
int num = atoi(operands.c_str());
myStack.push(num);
operands = "";
cout << num << " added." << endl;
But when I tried putting these statements INSIDE the for loop, I just get more errors. I've been working on this for a number of hours but I can't figure out my issue. I've also attached an image of my current output.
#include <iostream>
#include <cctype>
#include <string>
#include <cstdlib>
using namespace std;
#include "stack.h"
bool isOperator(const char& input );
[code]....
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