Example of using Apache Beam, Go, and Apache Flink together. A little more complicated than the "direct" runner and should work with very large inputs.
License: Apache License 2.0
Hi @gonzojive
I run the beamgo-pipeline example that cloned from your code, but there are some errors, am I missing something? Thank you very much?
My environment:
OS: Windows 10;
Apache Flink: v1.11.2, run at 8081 port;
Apache beam_flink1.10_job_server docker image has run;
CLI: go run cmd/beamgo_pipeline/beamgo_pipeline.go --runner flink --endpoint localhost:8099 --output /tmp/output-flink.txt --environment_type LOOPBACK
Error:
Caused by: org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: localhost/127.0.0.1:50746
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:716)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:327)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:688)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at org.apache.beam.vendor.grpc.v1p26p0.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
2020/12/14 13:12:13 (): java.net.ConnectException: Connection refused
2020/12/14 13:12:13 Job state: FAILED
2020/12/14 13:12:13 stopping Loopback, and 0 workers
2020/12/14 13:12:13 Failed to execute job: job go0job0101607911925623021000-root-1214021208-de4a92b4_f26f4d21-578b-48f3-a161-1ddcf64d0c26 failed
exit status 1
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