I am trying to merge two XML documents both with standard Oracle JDK 7 and also with Saxon HE but I keep getting an: On the line with the importNode below (same thing happens with adoptNode BTW): I’ve tried both with Saxon-HE-9.4.jar on my classpath or not, but I still get the same error. update Based on comments I received,
Building a war on intellij
I have a Java EE project I have imported into IntelliJ . I can compile the project but for some reason not able to build a war artifact , when I go to the build tab the <build artifacts> option is blanked out ( ie I cannot select it ) . my project compiles fine but I am still confused
What does idempotent method mean and what are the side effects in case of calling close method of java.lang.AutoCloseable?
Java docs of close() method of java.lang.AutoCloseable says Note that unlike the close() method of Closeable, this close() method is not required to be idempotent. In other words, calling this close method more than once may have some visible side effect, unlike Closeable#close() which is required to have no effect if called more than once. However, implementers of this interface
Java says FileNotFoundException but file exists
I have an assignment for my CS class where it says to read a file with several test scores and asks me to sum and average them. While summing and averaging is easy, I am having problems with the file reading. The instructor said to use this syntax However, this throws a FileNotFoundException, but I have checked over and over
Transaction marked as rollback only: How do I find the cause
I am having issues with committing a transaction within my @Transactional method: When I call methodB() from methodA(), the method passes successfuly and I can see “OK” in my logs. But then I get The context of methodB is completely missing in the exception – which is okay I suppose? Something within the methodB() marked the transaction as rollback only?
Generic method to print arrays in java
I am trying to write a generic method printAll which prints an array of integer or character. Here’s the code: } Error: Exception in thread “main” java.lang.RuntimeException: Uncompilable source code – Erroneous tree type: <.any> Answer printAll(T[] t) will not accept primitive type arrays. You need to pass arrays of the respective wrapper types: But, you don’t need to frame
How do I use the new computeIfAbsent function?
I very much want to use Map.computeIfAbsent but it has been too long since lambdas in undergrad. Almost directly from the docs: it gives an example of the old way to do things: And the new way: But in their example, I think I’m not quite “getting it.” How would I transform the code to use the new lambda way
What are ways for pass parameters from controller after redirect in spring mvc?
if I write in my controller method: What parameters will be passed to url (it maybe controller method or jsp page)? Answer With RedirectAttributes, you can pass almost any data to the redirect URL: When you use addAttribute to add attributes, this will end up in the target redirect URL. These attributes are used to construct the request parameters and
Error Parsing File JSP or JAVA in Netbeans 7.3.1
I migrated my project from Net beans 6.9.1 to Net Beans 7.3.1 and faced this annoying error a red exclamation icon on a random file jsp or java . I opened them and did not find any error. I tried some suggestions after searching Google to disable html and jsp validation with no luck , another suggestion was to delete
Manually call Spring Annotation Validation
I’m doing a lot of our validation with Hibernate and Spring Annotations like so: And then in the controller it’s called in the arguments: But I would like to decide the group used based on some logic in the controller method. Is there a way to call validation manually? Something like result = account.validate(Account.Step1.class)? I am aware of creating your