All content with label faq-trouble-shooting.
Related Labels: demo , communication , concurrent-counter , testing

How can I test the Coherence functionality on a single workstation? (Coherence FAQ) simplest way is to run either the Coherence command line utility or the Swing GUI demo. On Windows, if the {{.jar}} extension is associated with {{java.exe}} or {{javaw.exe}}, you can run the Swing GUI demo directly from the Windows Explorer by doubleclicking on the {{tangosol\lib ...

Why do I receive warnings regarding "sun.misc.AtomicLong" (Coherence FAQ) When available Coherence will utilize either {{sun.misc.AtomicLong}} or {{java.util.concurrent.atomic.AtomicLong}} (1.5 only) to implement concurrent counters. If neither of these is available Coherence will use a somewhat less performant synchronized counter, and output the following warning. sun.misc.AtomicLong is not supported on this JVM; using a synchronized counter ...

Why is expiry sometimes initiated later than the configured amount of time? (Coherence FAQ) Local caches and backing maps use the {{<expirydelay>}} and {{<flushdelay>}} cache configuration elements to configure the amount of time that items may remain in the cache before they expire and the amount of time until expired items are removed from the cache, respectively. Client threads ...

Why two instances of Coherence on separate machines don't see each other? (Coherence FAQ) two instances of Coherence on separate machines cannot communicate with each other, the following are the most likely reasons: Multicast not enabled or blocked It is possible, particularly if you are trying this on your development machine(s), that your LAN does not have multicast turned on. It is a common ...