[HADOOP-15886] Fix findbugs warnings in RegistryDNS.java

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Target Version/s: 3.3.0
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 30/Oct/18 01:55
• Updated: 31/Oct/18 21:18
• Resolved: 31/Oct/18 01:02

Description

  FindBugs :
       module:hadoop-common-project/hadoop-registry
       Exceptional return value of java.util.concurrent.ExecutorService.submit(Callable) ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.addNIOTCP(InetAddress, int) At RegistryDNS.java:ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.addNIOTCP(InetAddress, int) At RegistryDNS.java:[line 900]
       Exceptional return value of java.util.concurrent.ExecutorService.submit(Callable) ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.addNIOUDP(InetAddress, int) At RegistryDNS.java:ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.addNIOUDP(InetAddress, int) At RegistryDNS.java:[line 926]
       Exceptional return value of java.util.concurrent.ExecutorService.submit(Callable) ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.serveNIOTCP(ServerSocketChannel, InetAddress, int) At RegistryDNS.java:ignored in org.apache.hadoop.registry.server.dns.RegistryDNS.serveNIOTCP(ServerSocketChannel, InetAddress, int) At RegistryDNS.java:[line 850]

Issue Links

• is caused by: HADOOP-15821 Move Hadoop YARN Registry to Hadoop Registry