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From "Luke Cwik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BEAM-1187) GCP Transport not performing timed backoff after connection failure
Date Tue, 27 Jun 2017 23:15:00 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luke Cwik updated BEAM-1187:
----------------------------
    Description: 
The http request retries are failing and seemingly being immediately retried if there is a
connection exception. Note that below all the times are the same, and also that we are logging
too much. This seems to be related to the interaction by the chaining http request initializer
combining the Credential initializer followed by the RetryHttpRequestInitializer. Also, note
that we never log "Request failed with IOException, will NOT retry" which implies that the
retry logic never made it to the RetryHttpRequestInitializer.

Action items are:
1) Ensure that the RetryHttpRequestInitializer is used
2) Ensure that calls do backoff
3) PR/3430 -Reduce the logging to one terminal statement saying that we retried X times and
final failure was YYY. -

Dump of console output:
Dec 20, 2016 9:12:20 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner fromOptions
INFO: PipelineOptions.filesToStage was not specified. Defaulting to files from the classpath:
will stage 1 files. Enable logging at DEBUG level to see which files will be staged.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner run
INFO: Executing pipeline on the Dataflow Service, which will have billing implications related
to Google Compute Engine usage and other Google Cloud Services.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
INFO: Uploading 1 files from PipelineOptions.filesToStage to staging location to prepare for
execution.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
INFO: Uploading PipelineOptions.filesToStage complete: 1 files newly uploaded, 0 files cached
Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

  was:
The http request retries are failing and seemingly being immediately retried if there is a
connection exception. Note that below all the times are the same, and also that we are logging
too much. This seems to be related to the interaction by the chaining http request initializer
combining the Credential initializer followed by the RetryHttpRequestInitializer. Also, note
that we never log "Request failed with IOException, will NOT retry" which implies that the
retry logic never made it to the RetryHttpRequestInitializer.

Action items are:
1) Ensure that the RetryHttpRequestInitializer is used
2) Ensure that calls do backoff
3) Reduce the logging to one terminal statement saying that we retried X times and final failure
was YYY.

Dump of console output:
Dec 20, 2016 9:12:20 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner fromOptions
INFO: PipelineOptions.filesToStage was not specified. Defaulting to files from the classpath:
will stage 1 files. Enable logging at DEBUG level to see which files will be staged.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner run
INFO: Executing pipeline on the Dataflow Service, which will have billing implications related
to Google Compute Engine usage and other Google Cloud Services.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
INFO: Uploading 1 files from PipelineOptions.filesToStage to staging location to prepare for
execution.
Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
INFO: Uploading PipelineOptions.filesToStage complete: 1 files newly uploaded, 0 files cached
Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)

Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
WARNING: exception thrown while executing request
java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)


> GCP Transport not performing timed backoff after connection failure
> -------------------------------------------------------------------
>
>                 Key: BEAM-1187
>                 URL: https://issues.apache.org/jira/browse/BEAM-1187
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow, sdk-java-core, sdk-java-gcp
>            Reporter: Luke Cwik
>            Priority: Minor
>
> The http request retries are failing and seemingly being immediately retried if there
is a connection exception. Note that below all the times are the same, and also that we are
logging too much. This seems to be related to the interaction by the chaining http request
initializer combining the Credential initializer followed by the RetryHttpRequestInitializer.
Also, note that we never log "Request failed with IOException, will NOT retry" which implies
that the retry logic never made it to the RetryHttpRequestInitializer.
> Action items are:
> 1) Ensure that the RetryHttpRequestInitializer is used
> 2) Ensure that calls do backoff
> 3) PR/3430 -Reduce the logging to one terminal statement saying that we retried X times
and final failure was YYY. -
> Dump of console output:
> Dec 20, 2016 9:12:20 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner
fromOptions
> INFO: PipelineOptions.filesToStage was not specified. Defaulting to files from the classpath:
will stage 1 files. Enable logging at DEBUG level to see which files will be staged.
> Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner
run
> INFO: Executing pipeline on the Dataflow Service, which will have billing implications
related to Google Compute Engine usage and other Google Cloud Services.
> Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
> INFO: Uploading 1 files from PipelineOptions.filesToStage to staging location to prepare
for execution.
> Dec 20, 2016 9:12:21 AM com.google.cloud.dataflow.sdk.util.PackageUtil stageClasspathElements
> INFO: Uploading PipelineOptions.filesToStage complete: 1 files newly uploaded, 0 files
cached
> Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
> WARNING: exception thrown while executing request
> java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
> 	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
> 	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
> 	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)
> Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
> WARNING: exception thrown while executing request
> java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
> 	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
> 	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
> 	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)
> Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
> WARNING: exception thrown while executing request
> java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
> 	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
> 	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
> 	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)
> Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
> WARNING: exception thrown while executing request
> java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
> 	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
> 	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
> 	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)
> Dec 20, 2016 9:12:22 AM com.google.api.client.http.HttpRequest execute
> WARNING: exception thrown while executing request
> java.net.ConnectException: 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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
> 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
> 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:308)
> 	at sun.net.www.http.HttpClient.New(HttpClient.java:326)
> 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)
> 	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
> 	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
> 	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
> 	at com.google.api.client.http.javanet.NetHttpRequest.execute(NetHttpRequest.java:77)
> 	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:981)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
> 	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:632)
> 	at com.google.cloud.dataflow.sdk.runners.DataflowPipelineRunner.run(DataflowPipelineRunner.java:201)
> 	at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:181)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.numbersStreamingFromPubsub(NumbersStreaming.java:378)
> 	at com.google.cloud.dataflow.integration.NumbersStreaming.main(NumbersStreaming.java:831)



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