I’m experiencing this kind of exception, can someone help me about this problem? I’m also getting the same exception with Could not load java.net.URLEncoder and Could not load java.net.URLConnection. I’m using Eclipse Indigo SR1 and Tomcat V6.0 Answer You can solve this problem after restart…
Tag: java
What is addNotify();?
I’ve tried to find a laymans definition of addNotify() but I can’t really get any answer using Google. As far as I know, when overriding addNotify() in my class, I should call super.addNotify(); and then do whatever else afterward. My question is, does addNotify() run automatically? What is itR…
jhat throwing unrecognized magic number
I am trying to analyse a heap dump taken from a java process that ran into memory issues. The dump was taken using jmap. I am using jhat on the dump file – I am getting java.io.IOException: Unrecognized magic number: 169897589 at com.sun.tools.hat.internal.parser.Reader.readFile(Reader.java:94) at com.s…
transpose double[][] matrix with a java function?
Do anybody have a function with which I can transpose a Matrix in Java which has the following form: I have function like this: but its wrong somewhere. Answer
Get index of enum from string?
I have a string value, I also have an array of strings and an enum containing the range also. To get the index of the string in the array, from the value supplied I write this: How do I do this for an enum? Can I use ordinal? Or do i have to make my own method? The method might
How to create change listener for variable?
Let’s say I have some variable defined using the statementint someVariable;. While the code runs, the variable’s value changes. How can I track the changes in this variable? How could I implement some Listener that behaves like onSomeVariableChangedListener? I also need to know when some other met…
How parse 2013-03-13T20:59:31+0000 date string to Date
How to parse this format date string 2013-03-13T20:59:31+0000 to Date object? I’m trying on this way but it doesn’t work. I get this exception from the first line: java.lang.IllegalArgumentException: Illegal pattern character ‘T’ Answer DateFormat df = new SimpleDateFormat(“yyyy-…
Casting LinkedHashMap to Complex Object
I’ve got an application that stores some data in DynamoDB using Jackson to marshall my complex object into a JSON. For example the object I’m marshalling might look like this: Where SomeObject might look like this: and SomeOtherObject might look like this: This is fine an the object gets marshalle…
Import project (jar) into Eclipse
I got a .jar file which I need to import into Eclipse. However, I don’t want to have the jar as a referenced library. I need the .jar to be included like a “normal” project, with packages(!) and .java files. I tried to do the following: New Java project -> Import -> General -> Archi…
Error with win32com.dll in Eclipse
I am getting an error in eclipse with regards to my win32com.dll file. From the error it would appear I am trying to use a 32-bit .dll instead of a 64-bit, but unfortunately I haven’t been able to find a 64-bit win32com.dll file anywhere and I’m at a loss at how to proceed. I literally downloaded …