$ java -Xmx220m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=docs/output/heap.hprof -jar target/threadlocal-leak.jar

threadlocal-leak: submitted=3017200
threadlocal-leak: submitted=3017600
threadlocal-leak: submitted=3018000
threadlocal-leak: submitted=3018400
threadlocal-leak: submitted=3018800
java.lang.OutOfMemoryError: Java heap space
Dumping heap to docs/output/heap.hprof ...
Heap dump file created [300071460 bytes in 1.908 secs]

Exception in thread "req-worker-1" java.lang.OutOfMemoryError: Java heap space
	at com.ankurm.oomdemo.ThreadLocalLeakApplication.handleOneRequest(ThreadLocalLeakApplication.java:61)
	at com.ankurm.oomdemo.ThreadLocalLeakApplication.lambda$driveLeak$1(ThreadLocalLeakApplication.java:47)
	at com.ankurm.oomdemo.ThreadLocalLeakApplication$$Lambda/0x000000002d25dce8.run(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at java.base/java.lang.Thread.runWith(Thread.java:1487)
	at java.base/java.lang.Thread.run(Thread.java:1474)