Hi,
Could you share logs and thread dumps from all nodes from cluster?
If you can create and share a maven project which reproduce your problem
then it would be great!
Thanks,
Nikolay
On Mon, Feb 20, 2017 at 8:35 PM, Matt Warner <m...@warnertechnology.com>
wrote:
> I'm experiencing Ignite client hangs when calling getOrCreateCache when
> both
> are starting simultaneously. The stack trace shows the clients are hung in
> the getOrCreateCache method, which is why I'm focusing here.
>
> This seems like a deadlock when both clients are trying to simultaneously
> call getOrCreateCache.
>
> The setup is a vanilla Ignite installation running (./bin/ignite.sh) and
> two
> clients (IgniteConfiguration setClientMode(true)). Both go through the same
> setup, albeit in separate jar files (and separate PIDs):
>
> TcpDiscoverySpi spi = new TcpDiscoverySpi();
> TcpDiscoveryVmIpFinder ipFinder = new
> TcpDiscoveryVmIpFinder();
> ipFinder.setAddresses(Arrays.asList("127.0.0.1"));
> spi.setIpFinder(ipFinder);
> IgniteConfiguration cfg = new IgniteConfiguration();
> cfg.setDiscoverySpi(spi);
> cfg.setClientMode(true);
> try (Ignite ignite = Ignition.start(cfg)) {
> CacheConfiguration<> cacheCfg = new
> CacheConfiguration<>(CACHE_NAME);
> cacheCfg.setAtomicityMode(ATOMIC);
> cacheCfg.setReadThrough(true);
> cacheCfg.setWriteThrough(true);
> cacheCfg.setWriteBehindEnabled(false);
> cache = ignite.getOrCreateCache(cacheCfg); <--
> Hangs here
> //
> }
>
> "main" #1 prio=5 os_prio=31 tid=0x00007fdd01009800 nid=0xc07 waiting on
> condition [0x0000700000218000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000007964b0e58> (a
> org.apache.ignite.internal.processors.cache.GridCacheProcessor$
> DynamicCacheStartFuture)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.
> java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.
> parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.
> doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.
> acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.
> get0(GridFutureAdapter.java:160)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.
> get(GridFutureAdapter.java:118)
> at
> org.apache.ignite.internal.IgniteKernal.getOrCreateCache(
> IgniteKernal.java:2586)
>
>
> My apologies in advance if this is a well-known problem. I've been
> searching
> and am stumped.
>
> Thanks!
>
>
>
> --
> View this message in context: http://apache-ignite-users.
> 70518.x6.nabble.com/getOrCreateCache-hang-tp10737.html
> Sent from the Apache Ignite Users mailing list archive at Nabble.com.
>
