Thank you so much guys, I used "hdfs://nameservice/path/of/your/file",
works fine for me now.
Best,
Nick
On Fri, Mar 20, 2020 at 3:48 AM Yang Wang <danrtsey...@gmail.com> wrote:
> I think Jingsong is right. You miss a slash in your HDFS path.
>
> Usually a HDFS path is like this "hdfs://nameservice/path/of/your/file".
> And the nameservice could be omitted if you want to use the defaultFS
> configured in the core-site.xml.
>
>
> Best,
> Yang
>
> Jingsong Li <jingsongl...@gmail.com> 于2020年3月20日周五 上午10:09写道：
>
>> Hi Nick,
>>
>> You can try "new Path("hdfs:///tmp/auditlog/")". There is one additional
>> / after hdfs://, which is a protocol name.
>>
>> Best,
>> Jingsong Lee
>>
>> On Fri, Mar 20, 2020 at 3:13 AM Nick Bendtner <buggi...@gmail.com> wrote:
>>
>>> Hi guys,
>>> I am using flink version 1.7.2.
>>> I am trying to write to hdfs sink from my flink job. I
>>> setup HADOOP_HOME. Here is the debug log for this :
>>>
>>> 2020-03-19 18:59:34,316 DEBUG org.apache.flink.runtime.util.HadoopUtils
>>> - Cannot find hdfs-default configuration-file path in Flink
>>> config.
>>> 2020-03-19 18:59:34,317 DEBUG org.apache.flink.runtime.util.HadoopUtils
>>> - Cannot find hdfs-site configuration-file path in Flink
>>> config.
>>> 2020-03-19 18:59:34,317 DEBUG org.apache.flink.runtime.util.HadoopUtils
>>> - Adding /home/was/HDFSConf/conf/core-site.xml to hadoop
>>> configuration
>>> 2020-03-19 18:59:34,317 DEBUG org.apache.flink.runtime.util.HadoopUtils
>>> - Adding /home/was/HDFSConf/conf/hdfs-site.xml to hadoop
>>> configuration
>>> 2020-03-19 18:59:34,344 INFO
>>> org.apache.flink.runtime.security.modules.HadoopModule - Hadoop user
>>> set to kafka (auth:KERBEROS)
>>>
>>>
>>> This is what my streaming file sink code looks like.
>>>
>>>
>>> val sink: StreamingFileSink[String] = StreamingFileSink
>>> .forRowFormat(new Path("hdfs://tmp/auditlog/"), new
>>> SimpleStringEncoder[String]("UTF-8"))
>>> .withRollingPolicy(DefaultRollingPolicy.create()
>>> .withRolloverInterval(TimeUnit.MINUTES.toMillis(15))
>>> .withInactivityInterval(TimeUnit.MINUTES.toMillis(5))
>>> .withMaxPartSize(1024
>>> * 1024 * 1024)
>>> .build())
>>> .build()
>>>
>>> result.addSink(sink).name("HDFSSink")
>>>
>>>
>>> When I run the job I get this error stack trace :
>>>
>>> INFO org.apache.flink.runtime.executiongraph.ExecutionGraph -
>>> Sink: HDFSSink (1/1) (27b62d6294da47491041d750daf421a0) switched from
>>> RUNNING to FAILED.
>>> java.io.IOException: Cannot instantiate file system for URI:
>>> hdfs://tmp/auditlog
>>> at
>>> org.apache.flink.runtime.fs.hdfs.HadoopFsFactory.create(HadoopFsFactory.java:187)
>>> at
>>> org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:399)
>>> at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:318)
>>> at
>>> org.apache.flink.streaming.api.functions.sink.filesystem.Buckets.<init>(Buckets.java:112)
>>> at
>>> org.apache.flink.streaming.api.functions.sink.filesystem.StreamingFileSink$RowFormatBuilder.createBuckets(StreamingFileSink.java:242)
>>> at
>>> org.apache.flink.streaming.api.functions.sink.filesystem.StreamingFileSink.initializeState(StreamingFileSink.java:327)
>>> at
>>> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.tryRestoreFunction(StreamingFunctionUtils.java:178)
>>> at
>>> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.restoreFunctionState(StreamingFunctionUtils.java:160)
>>> at
>>> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.initializeState(AbstractUdfStreamOperator.java:96)
>>> at
>>> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:278)
>>> at
>>> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:738)
>>> at
>>> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:289)
>>> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:704)
>>> at java.lang.Thread.run(Thread.java:748)
>>> Caused by: java.lang.IllegalArgumentException:
>>> java.net.UnknownHostException: tmp
>>> at
>>> org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:378)
>>> at
>>> org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:320)
>>> at
>>> org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176)
>>> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:687)
>>> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:628)
>>> at
>>> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149)
>>>
>>>
>>> Why is it trying to connect to /tmp ? Is it not supposed to get the
>>> namenodes from the core-site.xml and hdfs-site.xml ?
>>>
>>> Can you please help with the correct way to configure hdfs sink.
>>>
>>>
>>> Best,
>>>
>>> Nick.
>>>
>>>
>>>
>>>
>>
>> --
>> Best, Jingsong Lee
>>
>
