About concurrency

61-70 of 113Refresh
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OptimisticLockException

that has been concurrently changed by someone else. If it is not acceptable then refresh is not the solution ... to the user if it tries to commit changes on a document that has been concurrently changed by
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Performance tuning, best practices

of several concurrent clients, or maybe same slow performance is also for a single user with that specific operation? ObjectDB can use multiple cores to serve concurrent requests from different users
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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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Problem upgrading

.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_72] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_72] at org.apache
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Server crash - Mismatch client-server protocol prefix

.java:307) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603
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Spring Data JPA

$SocketProcessor.run(JIoEndpoint.java:309) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
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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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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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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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ObjectDB version 2.2.5

entity object. Fixed merging entity objects of another EntityManager. Fixed a bug in concurrent