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From "Taewoo Kim (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ASTERIXDB-1924) Sporadic java.net.ConnectException: Connection refused when connecting to :19002/aql
Date Sat, 27 May 2017 18:03:04 GMT
Taewoo Kim created ASTERIXDB-1924:
-------------------------------------

             Summary: Sporadic java.net.ConnectException: Connection refused when connecting
to :19002/aql
                 Key: ASTERIXDB-1924
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1924
             Project: Apache AsterixDB
          Issue Type: Bug
            Reporter: Taewoo Kim


I am using bigFUN benchmark to send queries to AsterixDB instance located on the sensorium
cluster. After creating this instance using the latest master, a connection to sensorium-11.ics.uci.edu:19002/aql
is sporadically rejected. 

{code}
Exception in thread "main" java.lang.NullPointerException
	at asterixReadOnlyClient.AsterixClientReadOnlyWorkload.execute(AsterixClientReadOnlyWorkload.java:170)
	at driver.Driver.main(Driver.java:66)
Problem in read-only query execution against Asterix
org.apache.http.conn.HttpHostConnectException: Connection to http://sensorium-11.ics.uci.edu:19002
refused
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:190)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:643)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
	at asterixReadOnlyClient.AsterixReadOnlyClientUtility.executeQuery(AsterixReadOnlyClientUtility.java:104)
	at asterixReadOnlyClient.AsterixClientReadOnlyWorkload.execute(AsterixClientReadOnlyWorkload.java:143)
	at driver.Driver.main(Driver.java:66)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:127)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	... 9 more
{code}



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