jira-importer commented on issue #536:
URL: https://github.com/apache/curator/issues/536#issuecomment-2604692693

   <i><a 
href="https://issues.apache.org/jira/secure/ViewProfile.jspa?name=juliolopez";>juliolopez</a>:</i>
   <p>Here is an occurrence, caused by UnknownHostException.  Perhaps, either 
LeaderSelector or InterProcessMutex should handle these cases and retry.</p>
   
   <p>E 06-23 03:30:07.106 LeaderSelector-0 c.n.c.f.r.l.LeaderSelector:349 |::] 
mutex.acquire() threw an exception<br/>
   java.net.UnknownHostException: xyz.example.com<br/>
   at java.net.InetAddress.getAllByName0(Unknown Source) ~<span 
class="error">&#91;...&#93;</span><br/>
   at java.net.InetAddress.getAllByName(Unknown Source) ~<span 
class="error">&#91;...&#93;</span><br/>
   at java.net.InetAddress.getAllByName(Unknown Source) ~<span 
class="error">&#91;...&#93;</span><br/>
   at 
org.apache.zookeeper.client.StaticHostProvider.<init>(StaticHostProvider.java:60)
 ~<span class="error">&#91;...&#93;</span><br/>
   at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:445) ~<span 
class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.utils.DefaultZookeeperFactory.newZooKeeper(DefaultZookeeperFactory.java:27)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CuratorFrameworkImpl$2.newZooKeeper(CuratorFrameworkImpl.java:166)
 ~<span class="error">&#91;...&#93;</span><br/>
   at com.netflix.curator.HandleHolder$1.getZooKeeper(HandleHolder.java:94) 
~<span class="error">&#91;...&#93;</span><br/>
   at com.netflix.curator.HandleHolder.getZooKeeper(HandleHolder.java:55) 
~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.ConnectionState.getZooKeeper(ConnectionState.java:112) 
~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:107)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:448)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CreateBuilderImpl$10.call(CreateBuilderImpl.java:625)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CreateBuilderImpl$10.call(CreateBuilderImpl.java:609)
 ~<span class="error">&#91;...&#93;</span><br/>
   at com.netflix.curator.RetryLoop.callWithRetry(RetryLoop.java:106) ~<span 
class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:605)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:428)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:41)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.locks.LockInternals.attemptLock(LockInternals.java:218)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.locks.InterProcessMutex.internalLock(InterProcessMutex.java:218)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.locks.InterProcessMutex.acquire(InterProcessMutex.java:74)
 ~<span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.leader.LeaderSelector.doWork(LeaderSelector.java:313)
 <span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.leader.LeaderSelector.doWorkLoop(LeaderSelector.java:374)
 <span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.leader.LeaderSelector.access$100(LeaderSelector.java:45)
 <span class="error">&#91;...&#93;</span><br/>
   at 
com.netflix.curator.framework.recipes.leader.LeaderSelector$2.call(LeaderSelector.java:194)
 <span class="error">&#91;...&#93;</span><br/>
   at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) <span 
class="error">&#91;na:1.6.0_32&#93;</span><br/>
   at java.util.concurrent.FutureTask.run(Unknown Source) <span 
class="error">&#91;na:1.6.0_32&#93;</span><br/>
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) 
<span class="error">&#91;na:1.6.0_32&#93;</span><br/>
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) <span 
class="error">&#91;na:1.6.0_32&#93;</span></p>


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