Deadlock in java When two threads are waiting for each other forever means (i.e. it does not get a chance to enter in a ready queue) such type of infinite waiting is called deadlock. A deadlock occurs when the waiting process is still holding onto another resource that the first needs...
import java.util.*; import java.util.concurrent.*; import java.util.concurrent.locks.*; public class DeadlockDetectingLock extends ReentrantLock { private static List deadlockLocksRegistry = new ArrayList(); private static synchronized void registerLock(DeadlockDetectingLock ddl) { if (!deadlock...
Deadlock is a programming situation where two or more threads are blocked forever, this situation arises with at least two threads and two or more resources. Here I have written a simple program that will cause deadlock scenario and then we will see how to analyze it. Java Deadlock Example...
1. Simulating a Deadlock In Java, adeadlock is a situation where a minimum of two threads are holding the lock on some different resource, and both are waiting for the other’s resource to complete its task. And, none is able to leave the lock on the resource it is holding. Deadlock...
there is a possibility of theInterruptedExceptionexception occurring, but it makes more sense for the method to resolve it in a self-contained manner, without propagating it up the call stack. In either case,it is important not to ignore or disguise the exception, by doing something like this...
Could not resolve COM reference, keep getting this error Could not start the service "ServiceName" on local computer? Couldn't generate excel using interop.excel component recently. Suspecting recent microsoft update cause this issue. Count increment inside Parallel For loop count word without space...
Can't get RoboCopy to run as a batch file Can't login in Windows with cached user credentials Can't Login to Server; 4625 Audit Failure status 0xc0000413 Can't ping FQDN unless I do ipconfig /registerdns can't resolve internal DNS names Can't see the (Routing and Remote Access) in...
runtime performance problem is a high Java CPU usage report from a JVM profiler or Java monitoring tool. Unfortunately, high Java CPU utilization problems on Windows and Linux are not always easy to resolve, as this metric is often a red herring for a problem that is peripheral to the CPU...
java.lang.IllegalStateException: calling this from your main thread can lead to deadlock This is how I'm getting the AuthToken: public class MyAccount { private final Account account; private final AccountManager manager; private final Context context; public MyAccount (Cont...
Java ThreadPoolExecutor & BlockingQueue example to run a demo task with fixed size thread pool. Also, learn to use RejectedExecutionHandler.