[英]Adding support for JS UDF in Google Dataflow template
我有來自Google Cloud Platform數據流模板的代碼 。
我希望為其添加更多功能,即希望添加對JavaScript UDF的支持。 當我嘗試編譯文件時,使用以下命令:
mvn compile exec:java \
-Dexec.mainClass=com.google.cloud.teleport.templates.${PIPELINE_NAME} \
-Dexec.cleanupDaemonThreads=false \
-Dexec.args=" \
--project=${PROJECT_ID} \
--stagingLocation=gs://${PROJECT_ID}/dataflow/${PIPELINE_FOLDER}/staging \
--tempLocation=gs://${PROJECT_ID}/dataflow/${PIPELINE_FOLDER}/temp \
--runner=DataflowRunner \
--windowDuration=2m \
--numShards=1 \
--topic=projects/${PROJECT_ID}/topics/windowed-files \
--outputDirectory=gs://${PROJECT_ID}/temp/ \
--outputFilenamePrefix=windowed-file \
--outputFilenameSuffix=.txt"
編譯文件時,出現以下錯誤:
An exception occured while executing the Java class. Class interface com.google.cloud.teleport.templates.PubsubToText$Options missing a property named 'topic'. -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.6.0:java (default-cli) on project google-cloud-teleport-java: An exception occured while executing the Java class. Class interface com.google.cloud.teleport.templates.PubsubToText$Options missing a property named 'topic'.
即使,我通過了--topic
標志,並插入了適當的值。
現在,javadoc中的調用示例應該在此處反映正確的輸入參數(--inputTopic)。
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