Sergey Shelukhin created TEZ-1155:
-------------------------------------

             Summary: there are many ATS exceptions in the logs
                 Key: TEZ-1155
                 URL: https://issues.apache.org/jira/browse/TEZ-1155
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Sergey Shelukhin


Unfortunately I only preserved part of call stack.
I get lots of exceptions in the logs like these; they do not fail the tasks but 
flood the log and are rather annoying:

   at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
   at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:563)
   at 
org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl.doPostingEntities(TimelineClientImpl.java:116)
   at 
org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl.putEntities(TimelineClientImpl.java:89)
   at org.apache.tez.dag.history.ats.ATSService.handleEvent(ATSService.java:191)
   at org.apache.tez.dag.history.ats.ATSService.access$600(ATSService.java:40)
   at org.apache.tez.dag.history.ats.ATSService$1.run(ATSService.java:106)
   at java.lang.Thread.run(Thread.java:724)
Caused by: java.net.ConnectException: Connection refused
   at java.net.PlainSocketImpl.socketConnect(Native Method)
   at 
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
   at 
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
   at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
   at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
   at java.net.Socket.connect(Socket.java:579)
   at java.net.Socket.connect(Socket.java:528)
   at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
   at sun.net.www.http.HttpClient.openServer(HttpClient.java:378)
   at sun.net.www.http.HttpClient.openServer(HttpClient.java:473)
   at sun.net.www.http.HttpClient.<init>(HttpClient.java:203)
   at sun.net.www.http.HttpClient.New(HttpClient.java:290)
   at sun.net.www.http.HttpClient.New(HttpClient.java:306)
   at 
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:995)
   at 
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:931)
   at 
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:849)
   at 
sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1090)
   at 
com.sun.jersey.client.urlconnection.URLConnectionClientHandler$1$1.getOutputStream(URLConnectionClientHandler.java:225)
   at 
com.sun.jersey.api.client.CommittingOutputStream.commitWrite(CommittingOutputStream.java:117)
   at 
com.sun.jersey.api.client.CommittingOutputStream.write(CommittingOutputStream.java:89)
   at 
org.codehaus.jackson.impl.Utf8Generator._flushBuffer(Utf8Generator.java:1754)
   at org.codehaus.jackson.impl.Utf8Generator.flush(Utf8Generator.java:1088)
   at org.codehaus.jackson.map.ObjectMapper.writeValue(ObjectMapper.java:1354)
   at 
org.codehaus.jackson.jaxrs.JacksonJsonProvider.writeTo(JacksonJsonProvider.java:527)
   at 
com.sun.jersey.api.client.RequestWriter.writeRequestEntity(RequestWriter.java:300)
   at 
com.sun.jersey.client.urlconnection.URLConnectionClientHandler._invoke(URLConnectionClientHandler.java:204)
   at 
com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:147)
   ... 10 more




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