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https://issues.apache.org/jira/browse/SPARK-18345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15646594#comment-15646594
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Apache Spark commented on SPARK-18345:
--------------------------------------
User 'oza' has created a pull request for this issue:
https://github.com/apache/spark/pull/15806
> Structured Streaming quick examples fails with default configuration
> --------------------------------------------------------------------
>
> Key: SPARK-18345
> URL: https://issues.apache.org/jira/browse/SPARK-18345
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.0.1
> Reporter: Tsuyoshi Ozawa
>
> StructuredNetworkWordCount results in failure because it needs HDFS
> configuration. It should use local filesystem instead of using HDFS by
> default.
> {quote}
> Exception in thread "main" java.net.ConnectException: Call From
> ozamac-2.local/192.168.33.1 to localhost:9000 failed on connection exception:
> java.net.ConnectException: Connection refused; For more details see:
> http://wiki.apache.org/hadoop/ConnectionRefused
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
> at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730)
> at org.apache.hadoop.ipc.Client.call(Client.java:1351)
> at org.apache.hadoop.ipc.Client.call(Client.java:1300)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
> at com.sun.proxy.$Proxy14.getFileInfo(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:483)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy14.getFileInfo(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:651)
> at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1679)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1106)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1102)
> at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1397)
> at
> org.apache.spark.sql.streaming.StreamingQueryManager.startQuery(StreamingQueryManager.scala:225)
> at
> org.apache.spark.sql.streaming.DataStreamWriter.start(DataStreamWriter.scala:260)
> at
> org.apache.spark.examples.sql.streaming.StructuredNetworkWordCount$.main(StructuredNetworkWordCount.scala:71)
> at
> org.apache.spark.examples.sql.streaming.StructuredNetworkWordCount.main(StructuredNetworkWordCount.scala)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:483)
> at
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:738)
> at
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> {quote}
> .
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