将 Marklogic 使用 Nifi 抛出错误 "NullPointer Exception"

Question

我正在尝试实现以下站点（没有更新属性）。我使用了一个目录，该目录中只有很少的文件需要放入 marklogic 数据库中。我已经添加了 ML 数据库配置。 https://marklogic-community.github.io/marklogic-nifi-incubator/file-system-to-marklogic.html

附上截图。请帮忙。

Error :
2021-08-17 10:57:36,900 ERROR [Timer-Driven Process Thread-6] o.a.n.marklogic.processor.PutMarkLogic PutMarkLogic[id=017b100b-ebe4-1ae5-b791-0cc5e89e6e2c] : java.lang.NullPointerException
java.lang.NullPointerException: null
2021-08-17 10:57:36,905 INFO [Timer-Driven Process Thread-6] o.a.n.marklogic.processor.PutMarkLogic PutMarkLogic[id=017b100b-ebe4-1ae5-b791-0cc5e89e6e2c] Rolling back session
2021-08-17 10:57:36,906 ERROR [Timer-Driven Process Thread-6] o.a.n.marklogic.processor.PutMarkLogic PutMarkLogic[id=017b100b-ebe4-1ae5-b791-0cc5e89e6e2c] Failed to process session due to org.apache.nifi.processor.exception.ProcessException: java.lang.NullPointerException: java.lang.NullPointerException
↳ causes: org.apache.nifi.processor.exception.ProcessException: java.lang.NullPointerException
org.apache.nifi.processor.exception.ProcessException: java.lang.NullPointerException
    at org.apache.nifi.marklogic.processor.AbstractMarkLogicProcessor.logErrorAndRollbackSession(AbstractMarkLogicProcessor.java:215)
    at org.apache.nifi.marklogic.processor.PutMarkLogic.onTrigger(PutMarkLogic.java:394)
    at org.apache.nifi.marklogic.processor.PutMarkLogic.onTrigger(PutMarkLogic.java:329)
    at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1202)
    at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:214)
    at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent.run(TimerDrivenSchedulingAgent.java:103)
    at org.apache.nifi.engine.FlowEngine.run(FlowEngine.java:110)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access1(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException: null

Answer 1

我发现了错误。是我没设置好JAVA_HOME。一旦我设置它就可以正常工作。

将 Marklogic 使用 Nifi 抛出错误 "NullPointer Exception"

put Marklogic using Nifi throws error "NullPointer Exception"

marklogic

apache-nifi