Blocking methods in Java often declare they may throw InterruptedException. How should we handle it?
In this article, Brian Goetz explains why rethrowing it is usually the most correct approach.
Category Archives: threading
Conditional breakpoints on multi-threaded code failing in Eclipse?
Today I got a very unusual error while trying to debug the DeepLearning4J framework.
Conditional breakpoint encountered runtime exception. Reason: java.lang.InternalError: Got MethodID of ReferenceType that is not a member of the ReferenceType occured retrieving stack frames.
Fork-Join parallelization: feature or problem?
Java 8’s ForkJoinPool & parallel streams are receiving some serious attention now. They seem a sophisticated concept to parallelize work, but some are warning of serious limitations.
Edward Harned of CoopSoft, in particular, has analyzed the Fork/Join design implemented in Java. Continue reading
Silent Thread death from unhandled exceptions
Threading is easy in Java, but today I was reminded of another of its pitfalls.
In Java- or container-provided threads, unhandled exceptions from our code will be printed or logged to the console. Create your own Thread or use SwingWorker/ ThreadPoolExecutor, and it’s a different story..
Threaded code tends to die silently. Nothing on the console or logs. Unhandled exceptions are invisible, and leave very few clues. Let’s look at why.