I'm using cache to convert toMyObject, but exception seems to thrown incollectmethod (DAOImpl.java line 114) java.util.ConcurrentModificationException at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1558) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:48...
java.util.ConcurrentModificationException - How do I delete using an iterator -3 java.util.ConcurrentModificationException while Inserting the values in arrayList -3 For iterator to delete items in array -2 java.util.ConcurrentModificationException error while modify a ob...
To Avoid ConcurrentModificationException in multi-threaded environment: 1. You can convert the list to an array and then iterate on the array. This approach works well for small or medium size list but if the list is large then it will affect the performance a lot. 2. You can lock the ...
Alter Stored Procedure is taking huge time in sql server Alter Table Add Column if Not Exists to update Schema Modification Script Alter Table add Column - How do you add a column after say the second column Alter table add constraint primary key clustered identity(1,1) ALTER TABLE ALTER ...
import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import com.effectivejava.classinterface.ForwardingSet; /** * @author Kaibo Hao * */ public class ObservableSet<E> extends ForwardingSet<E> { ...
clients can run into a ConcurrentModificationException while iterating over the items. It can be considered bad design that an interface provides methods that throw an UnsupportedOperationException at runtime. However, at least for internal use, this method can be a high-performance alternative to ...
Dynamic carrier waveform modification to avoid concurrent turn-on/turn-off switchingA power electronics switching system has a power converter including switching elements respectively disposed in parallel paths. The system also has a controller that outputs switching commands for the switching elements ...
DeserializerCache uses synchronized to protect the _incompleteDeserializers map from concurrent modification. This deadlocks when using virtual threads + IO within the synchronized block and you end up with a non-responsive VM and stacktraces looking like the one below. Note in particular the threads...
Java Collection classes are fail-fast which means that if the Collection will be changed while some thread is traversing over it using iterator, the iterator.next() will throw aConcurrentModificationException. This situation can come in case of multithreaded as well as single threaded environment. ...
The ConcurrentModificationException in Java occurs when an object is attempted to be modified concurrently without permission.