[ https://issues.apache.org/jira/browse/NIFI-437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14482643#comment-14482643 ] 

Jon Anderson III commented on NIFI-437:
---------------------------------------

Mark/Joe/Someone more knowledgeable then I, 

I have a hunch as to what may be happening but I'm not entirely sure it's correct...namely because I don't know how to fix it to test. 

According to this (http://www.oracle.com/technetwork/java/javase/8-compatibility-guide-2156366.html) some behavior changed in Java 8 that may be breaking this. I see some files have import statements for java.net.DatagramPacket such as MulticaseListener.java. I also see the catch statements but I tried removing them but just get compilation errors. So again grasping at straws but it's a thought none the less. 

Area: Core Libs / java.net 
Synopsis
Prior to Java SE 8, the java.net.DatagramPacket constructors that accept a java.net.SocketAddress argument declared that a java.net.SocketException can be thrown. However, that exception was never thrown by those constructors. In the Java SE 8 release, these constructors do not declare that a java.net.SocketException can be thrown. If you have existing code that explicitly catches SocketException or its superclass java.io.IOException, remove the catch block for the exception before compiling with Java SE 8.

> nifi-distributed-cache-server failing testClientTermination
> -----------------------------------------------------------
>
>                 Key: NIFI-437
>                 URL: https://issues.apache.org/jira/browse/NIFI-437
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 0.1.0
>         Environment: Mac OS X 10.10.2
> Java 1.8.0_31, 64-bit
> Maven 3.2.5
>            Reporter: Brian Ghigiarelli
>             Fix For: 0.1.0
>
>         Attachments: NIFI-437-only-close-server-socket-if-open.patch
>
>
> While executing a "mvn clean install" on the latest "develop" branch for the 0.1.0-incubating-SNAPSHOT version, the nifi-distributed-cache-server module fails with the below error.
> Skipping tests and running NiFi locally seems to be running fine though.
> {code}
> Running org.apache.nifi.distributed.cache.server.TestServerAndClient
> Tests run: 7, Failures: 0, Errors: 1, Skipped: 6, Time elapsed: 2.2 sec <<< FAILURE! - in org.apache.nifi.distributed.cache.server.TestServerAndClient
> testClientTermination(org.apache.nifi.distributed.cache.server.TestServerAndClient)  Time elapsed: 2.181 sec  <<< ERROR!
> java.io.IOException: No such file or directory
> 	at sun.nio.ch.NativeThread.signal(Native Method)
> 	at sun.nio.ch.ServerSocketChannelImpl.implCloseSelectableChannel(ServerSocketChannelImpl.java:283)
> 	at java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:234)
> 	at java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:115)
> 	at org.apache.nifi.distributed.cache.server.AbstractCacheServer.stop(AbstractCacheServer.java:167)
> 	at org.apache.nifi.distributed.cache.server.map.MapCacheServer.stop(MapCacheServer.java:126)
> 	at org.apache.nifi.distributed.cache.server.DistributedCacheServer.shutdownServer(DistributedCacheServer.java:96)
> 	at org.apache.nifi.distributed.cache.server.TestServerAndClient.testClientTermination(TestServerAndClient.java:419)
> Results :
> Tests in error:
>   TestServerAndClient.testClientTermination:419 » IO No such file or directory
> {code}



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