Why is multithreading discouraged in a J2EE Servlet?
65095
Why is spawning threads in Java EE container discouraged?
12220
How to run a background task in a servlet based web application?
48729
Creating manual threads, also tried using parallel.foreach and async await - but getting duplicate
40506
Threads within threads in Java?
36494
Is .NET's StringBuilder thread-safe
23484
How can one use multi threading in PHP applications
106257
What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?
29010
Is ExecutorService (specifically ThreadPoolExecutor) thread safe?
6234
Why is a ConcurrentModificationException thrown and how to debug it
136072
How can I use both context and threading?
104123
How to use wait and notify in Java without IllegalMonitorStateException?
104089
Are there any differences between Java's "synchronized" and C#'s "lock"?
112640
WaitAll for multiple handles on a STA thread is not supported
70285
How to interpret a Java thread stack?
96834
How can I map a "root" Servlet so that other scripts are still runnable?
6527
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements from an ArrayList
89487
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?