java.lang.RuntimeException: Error when launching multilang subprocess

Stack Overflow | user3033921 | 4 months ago
  1. 0

    "No module named" error in Apache Storm Python Bolt

    Stack Overflow | 2 years ago | Erol
    java.lang.RuntimeException: Error when launching multilang subprocess Traceback (most recent call last): File "pythonBolt.py", line 4, in <module> from matplotlib import mlab ImportError: No module named matplotlib
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    Root Cause Analysis

    1. java.io.IOException

      The pipe has been ended

      at java.io.FileOutputStream.writeBytes()
    2. Java RT
      DataOutputStream.flush
      1. java.io.FileOutputStream.writeBytes(Native Method)[?:1.8.0_92]
      2. java.io.FileOutputStream.write(Unknown Source)[?:1.8.0_92]
      3. java.io.BufferedOutputStream.flushBuffer(Unknown Source)[?:1.8.0_92]
      4. java.io.BufferedOutputStream.flush(Unknown Source)[?:1.8.0_92]
      5. java.io.DataOutputStream.flush(Unknown Source)[?:1.8.0_92]
      5 frames
    3. backtype.storm.multilang
      JsonSerializer.connect
      1. backtype.storm.multilang.JsonSerializer.writeString(JsonSerializer.java:96)[storm-core-0.10.0.jar:0.10.0]
      2. backtype.storm.multilang.JsonSerializer.writeMessage(JsonSerializer.java:89)[storm-core-0.10.0.jar:0.10.0]
      3. backtype.storm.multilang.JsonSerializer.connect(JsonSerializer.java:61)[storm-core-0.10.0.jar:0.10.0]
      3 frames
    4. backtype.storm.utils
      ShellProcess.launch
      1. backtype.storm.utils.ShellProcess.launch(ShellProcess.java:64)[storm-core-0.10.0.jar:0.10.0]
      1 frame
    5. backtype.storm.task
      ShellBolt.prepare
      1. backtype.storm.task.ShellBolt.prepare(ShellBolt.java:117)[storm-core-0.10.0.jar:0.10.0]
      1 frame
    6. backtype.storm.daemon
      executor$fn__5694$fn__5707.invoke
      1. backtype.storm.daemon.executor$fn__5694$fn__5707.invoke(executor.clj:757)[storm-core-0.10.0.jar:0.10.0]
      1 frame
    7. backtype.storm
      util$async_loop$fn__545.invoke
      1. backtype.storm.util$async_loop$fn__545.invoke(util.clj:477)[storm-core-0.10.0.jar:0.10.0]
      1 frame
    8. Clojure
      AFn.run
      1. clojure.lang.AFn.run(AFn.java:22)[clojure-1.6.0.jar:?]
      1 frame
    9. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)[?:1.8.0_92]
      1 frame