Importing installed package from script raises “AttributeError: module has no attribute” or “ImportError: cannot import name”?

I have a script named requests.py that imports the requests package. The script either can't access attributes from...

Sequence contains no matching element?

I have an asp.net application in which I am using linq for data manipulation. While running, I get the exception "Se...

HTTP Status 500 - java.lang.NullPointerException?

I am new in java , jsp an I'm trying to print some data from Mysql database using an index.jsp. As the title says I'...

How to continue executing a java program after an Exception is thrown??

My sample code is as follows: public class ExceptionsDemo { public static void main(String[] args) { t...

org.hibernate.MappingException: Unknown entity: annotations.Users?

Consider the hierarchy : And the following classes and xml : HibernateUtil.java package annotations; import ...

Bad allocation exceptions in C++?

In a school project of mine I was requested to create a program not using STL. In the program I use alot of Poin...

What is causing my OLEDbException, IErrorInfo.GetDescription failed with E_FAIL(0x80004005)?

I am using an OleDbConnection, OldDbCommand, and OleDbReader against an Access database. I have a named query in th...

Exception is never thrown in body of corresponding try statement?

I have a problem with exception handling in Java, here's my code. I got compiler error when I try to run this line: ...

FXML Load exception?

I got a problem that I absolutely can't solve on my own because I have just started using JAVA FX. I get a nasty ja...

Given final block not properly padded?

I am trying to implement password based encryption algorithm, but I get this exception: javax.crypto.BadPaddingE...

no main methods, applets, or Midlets found in file jgrasp?

In my code I have placed a main method in it. The program compiles on jgrasp with no errors. But it keeps giving me ...

EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) on dispatch_semaphore_dispose?

I am getting EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) on dispatch_semaphore_dispose but don't really k...

How to silence “sys.excepthook is missing” error??

NB: I have not attempted to reproduce the problem described below under Windows, or with versions of Python other th...

Is there anything like .NET's NotImplementedException in Java??

Is there anything like .NET's NotImplementedException in Java? ...