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### jsoncons::jsonpointer::jsonpointer_error
```cpp
#include <jsoncons_ext/jsonpointer/jsonpointer_error.hpp>
```
<br>
`jsoncons::jsonpointer::jsonpointer_error` defines an exception type for reporting failures in jsonpointer operations.
#### Constructors
jsonpointer_error(std::error_code ec)
jsonpointer_error(const jsonpointer_error& other)
#### Member functions
const char* what() const noexcept
Returns an error message
#### Inherited from std::system_error
const std::error_code code() const noexcept
Returns an error code for this exception
### Example
```cpp
#include <jsoncons/json.hpp>
#include <jsoncons_ext/jsonpointer/jsonpointer.hpp>
using jsoncons::json;
int main()
{
string s = "[1,2,3,4,]";
try
{
jsoncons::json val = jsoncons::json::parse(s);
}
catch(const jsoncons::jsonpointer_error& e)
{
std::cout << "Caught jsonpointer_error with category "
<< e.code().category().name()
<< ", code " << e.code().value()
<< " and message " << e.what() << '\n';
}
}
```
Output:
```
Caught jsonpointer_error with category jsoncons.jsonpointer, code 0x6 and message "Name not found"
```
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