A typical Java program can include one or many JAR files created at compile time. I\'ve tried on two different systems (win 7 and win xp. install4j is a powerful multi-platform Java installer builder that generates native installers and application launchers for Java applications. The first problem case we will cover is related to a Java program packaging and / or classpath problem. Null Pointer Exception Null Pointer Exception occurs when Null reference is used in place where the requirement is for an object reference. Null Pointer Exception has nothing to do with Null Pointers.
at .MDLibrary.(MDLibrary.java:19) at .(WinDeviceLibrary.java:33) at (TinyUmbrella.java:213) at .(TinyUmbrella.java:208) at (TinyUmbrella.java:110) at 0(Native Method) at (Unknown Source) at (Unknown Source) at .invoke(Unknown Source) at .launch(Unknown Source) at .main(Unknown Source) Caused by: at .loadPath(LibraryFinder.java:44) at .(LibraryFinder.java:24). Looking at the title of this article, if you have started associating it with Null Pointers, I would urge you against doing that.
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