Hi, I've create spark interpreter with name spark_my
I was able to restart it and zeppelin shows "green" marker near it.
spark_my is copy-paste of default spark intepreter with few changes.

I try to use spark_my in notebook:

%spark_my
import java.nio.ByteBuffer
.... more code

Zeppelin shows exception when I try to run paragraph.
What do I do wrong?

org.apache.zeppelin.interpreter.InterpreterException:
paragraph_1508587957017_510563027's Interpreter spark_my not found at
org.apache.zeppelin.notebook.Note.run(Note.java:605) at
org.apache.zeppelin.socket.NotebookServer.persistAndExecuteSingleParagraph(NotebookServer.java:1641)
at
org.apache.zeppelin.socket.NotebookServer.runParagraph(NotebookServer.java:1615)
at
org.apache.zeppelin.socket.NotebookServer.onMessage(NotebookServer.java:265)
at
org.apache.zeppelin.socket.NotebookSocket.onWebSocketText(NotebookSocket.java:59)
at
org.eclipse.jetty.websocket.common.events.JettyListenerEventDriver.onTextMessage(JettyListenerEventDriver.java:128)
at
org.eclipse.jetty.websocket.common.message.SimpleTextMessage.messageComplete(SimpleTextMessage.java:69)
at
org.eclipse.jetty.websocket.common.events.AbstractEventDriver.appendMessage(AbstractEventDriver.java:65)
at
org.eclipse.jetty.websocket.common.events.JettyListenerEventDriver.onTextFrame(JettyListenerEventDriver.java:122)
at
org.eclipse.jetty.websocket.common.events.AbstractEventDriver.incomingFrame(AbstractEventDriver.java:161)
at
org.eclipse.jetty.websocket.common.WebSocketSession.incomingFrame(WebSocketSession.java:309)
at
org.eclipse.jetty.websocket.common.extensions.ExtensionStack.incomingFrame(ExtensionStack.java:214)
at org.eclipse.jetty.websocket.common.Parser.notifyFrame(Parser.java:220)
at org.eclipse.jetty.websocket.common.Parser.parse(Parser.java:258) at
org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.readParse(AbstractWebSocketConnection.java:632)
at
org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillable(AbstractWebSocketConnection.java:480)
at
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:748)

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