Valentin Kulichenko created IGNITE-548:
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             Summary: Exceptions when running ServiceExample
                 Key: IGNITE-548
                 URL: https://issues.apache.org/jira/browse/IGNITE-548
             Project: Ignite
          Issue Type: Bug
          Components: cache
    Affects Versions: sprint-2
            Reporter: Valentin Kulichenko
            Priority: Blocker
             Fix For: sprint-2


1. Start two {{ExampleNodeStartup}}s.
2. Run {{ServiceExample}} several times one after another.

Example fails with exceptions:
{code}
>>>
>>> Starting service proxy example.
>>>
[01:27:39,671][ERROR][ignite-#24%sys-null%][GridTaskWorker] Failed to obtain 
remote job result policy for result from ComputeTask.result(..) method (will 
fail the whole task): GridJobResultImpl [job=C2 [], sib=GridJobSiblingImpl 
[sesId=ab138904c41-22e2e1be-f5dd-413c-899c-d751cc684b09, 
jobId=db138904c41-bf48b674-82b9-4b8a-a947-844a027f0ef8, 
nodeId=bf48b674-82b9-4b8a-a947-844a027f0ef8, isJobDone=false], 
jobCtx=GridJobContextImpl 
[jobId=db138904c41-bf48b674-82b9-4b8a-a947-844a027f0ef8, attrs={}], 
node=TcpDiscoveryNode [id=bf48b674-82b9-4b8a-a947-844a027f0ef8, 
addrs=[2601:9:2500:cc8:8db3:f17a:70af:aae0, 10.0.0.5, 
2601:9:2500:cc8:12dd:b1ff:fea8:69b7, 0:0:0:0:0:0:0:1, 127.0.0.1], 
sockAddrs=[/2601:9:2500:cc8:8db3:f17a:70af:aae0:47501, /10.0.0.5:47501, 
/2601:9:2500:cc8:12dd:b1ff:fea8:69b7:47501, /0:0:0:0:0:0:0:1:47501, 
/127.0.0.1:47501], discPort=47501, order=2, intOrder=2, loc=false, 
ver=1.0.0#19691231-sha1:00000000, isClient=false], ex=class 
o.a.i.IgniteException: Service node found: myNodeSingletonService, hasRes=true, 
isCancelled=false, isOccupied=true]
class org.apache.ignite.IgniteException: Remote job threw user exception 
(override or implement ComputeTask.result(..) method if you would like to have 
automatic failover for this exception).
        at 
org.apache.ignite.compute.ComputeTaskAdapter.result(ComputeTaskAdapter.java:102)
        at 
org.apache.ignite.internal.processors.task.GridTaskWorker$3.apply(GridTaskWorker.java:829)
        at 
org.apache.ignite.internal.processors.task.GridTaskWorker$3.apply(GridTaskWorker.java:822)
        at 
org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6068)
        at 
org.apache.ignite.internal.processors.task.GridTaskWorker.result(GridTaskWorker.java:822)
        at 
org.apache.ignite.internal.processors.task.GridTaskWorker.onResponse(GridTaskWorker.java:718)
        at 
org.apache.ignite.internal.processors.task.GridTaskProcessor.processJobExecuteResponse(GridTaskProcessor.java:906)
        at 
org.apache.ignite.internal.processors.task.GridTaskProcessor$JobMessageListener.onMessage(GridTaskProcessor.java:1136)
        at 
org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:664)
        at 
org.apache.ignite.internal.managers.communication.GridIoManager.access$1500(GridIoManager.java:57)
        at 
org.apache.ignite.internal.managers.communication.GridIoManager$5.run(GridIoManager.java:627)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:744)
Caused by: class org.apache.ignite.IgniteException: Service node found: 
myNodeSingletonService
        at 
org.apache.ignite.internal.processors.closure.GridClosureProcessor$C2.execute(GridClosureProcessor.java:1699)
        at 
org.apache.ignite.internal.processors.job.GridJobWorker$2.call(GridJobWorker.java:478)
        at 
org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6036)
        at 
org.apache.ignite.internal.processors.job.GridJobWorker.execute0(GridJobWorker.java:472)
        at 
org.apache.ignite.internal.processors.job.GridJobWorker.body(GridJobWorker.java:423)
        at 
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:107)
        at 
org.apache.ignite.internal.processors.job.GridJobProcessor.processJobExecuteRequest(GridJobProcessor.java:1118)
        at 
org.apache.ignite.internal.processors.job.GridJobProcessor$JobExecutionListener.onMessage(GridJobProcessor.java:1714)
        ... 6 more
Caused by: class 
org.apache.ignite.internal.processors.service.GridServiceNotFoundException: 
Service node found: myNodeSingletonService
        at 
org.apache.ignite.internal.processors.service.GridServiceProxy$ServiceProxyCallable.call(GridServiceProxy.java:348)
        at 
org.apache.ignite.internal.processors.closure.GridClosureProcessor$C2.execute(GridClosureProcessor.java:1696)
        ... 13 more
{code}
{code}
[01:27:21,252][ERROR][pool-3-thread-1][GridServiceProcessor] Failed to 
initialize service (service will not be deployed): myNodeSingletonService
org.apache.ignite.internal.processors.cache.IgniteCacheExistsException: Failed 
to start cache (a cache with the same name is already started): 
myNodeSingletonService
        at 
org.apache.ignite.internal.processors.cache.GridCacheProcessor.onCacheChangeRequested(GridCacheProcessor.java:1734)
        at 
org.apache.ignite.internal.processors.cache.GridCacheProcessor.access$100(GridCacheProcessor.java:82)
        at 
org.apache.ignite.internal.processors.cache.GridCacheProcessor$1.apply(GridCacheProcessor.java:538)
        at 
org.apache.ignite.internal.processors.cache.GridCacheProcessor$1.apply(GridCacheProcessor.java:535)
        at 
org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery(GridDiscoveryManager.java:372)
        at 
org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi$RingMessageWorker.processCustomMessage(TcpDiscoverySpi.java:4499)
        at 
org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi$RingMessageWorker.processMessage(TcpDiscoverySpi.java:2599)
        at 
org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpiAdapter$MessageWorkerAdapter.body(TcpDiscoverySpiAdapter.java:954)
        at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
{code}



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