My Swift program is crashing with EXC_BAD_INSTRUCTION and this error. What does it mean, and how do I fix it? fatal error: unexpectedly found nil while unwrapping an Optional value This post is ...
I have read multiple posts on StackOverFlow about checked vs unchecked exceptions. I'm honestly still not quite sure how to use them properly. Joshua Bloch in "Effective Java" said that Use che...
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 the package, or can't import them. Why isn't this working and how do I fix it? Th...
Recently I ran into this error in my web application: java.lang.OutOfMemoryError: PermGen space It's a typical Hibernate/JPA + IceFaces/JSF application running on Tomcat 6 and JDK 1.6. Apparentl...
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will. C# and Java (and too many others) have with plenty of types some of ‘overflow’ behavio...
I've tried both the example in Oracle's Java Tutorials. They both compile fine, but at run-time, both come up with this error: Exception in thread "main" java.lang.NoClassDefFoundError: graphics/shap...
Given this stack trace snippet Caused by: java.net.SocketException: Software caused connection abort: socket write error at java.net.SocketOutputStream.socketWrite0(Native Method) ...
I'm investigating the following java.lang.VerifyError java.lang.VerifyError: (class: be/post/ehr/wfm/application/serviceorganization/report/DisplayReportServlet, method: getMonthData signature: (IILj...
I'm trying to decipher the meaning on the P1...P10 parameters associated with a clr20r3 that is written to the event log when my application experiences an exception. The best I've been able to find ...
I have exceptions created for every condition that my application does not expect. UserNameNotValidException, PasswordNotCorrectException etc. However I was told I should not create exceptions for t...