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Spring LTW Problem

) at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util. concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread
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2

use of Singleton into tomcat

the concurrency for the operations on db............... with a method static i can get the only instance ... it call the methods on mode concurrent????? write me a example . i wait for a response. tank you mauro
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2

PersistenceException UserException: Failed to validate persistence.xml

) at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util. concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java
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2

UserException - Object User#2 belongs to another EntityManager

) at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util. concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java
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2

Attempt to execute a query using a closed EntityManager

.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util. concurrent
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2

NullPointerException while setting a new property value

version). In my theory, this is a (possible) cause and what we are doing - concurrent access ... must not be shared among multiple concurrently executing threads, as the entity manager and persistence
Issue
2

InvalidClassException

.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318) at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util. concurrent.ThreadPoolExecutor
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2

JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] at java.util. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_04] at java.util. concurrent.ThreadPoolExecutor
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2

Occasionally slow requests in load testing

be able to handle the load. Are you sure about that? More than 10-20 concurrent working threads ... concurrent working threads may cause more harm than good. If you change it to 20 you can still use
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2

How to deploy an Objectdb project with Jboss AS 7?

. concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_21] at java.util. concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_21] at java.lang