GitHub user ebuildy opened a pull request:
https://github.com/apache/zeppelin/pull/2473
[fix] Check runtimeInfos is not null
This fix NullPointer exception when restart interpreter after it crashed:
```
Caused by: java.lang.NullPointerException
at
org.apache.zeppelin.notebook.Paragraph.clearRuntimeInfo(Paragraph.java:735)
at
org.apache.zeppelin.socket.NotebookServer.clearParagraphRuntimeInfo(NotebookServer.java:2480)
at
org.apache.zeppelin.rest.InterpreterRestApi.restartSetting(InterpreterRestApi.java:198)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
at
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
at
org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
at
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
at
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
at
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
at
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
... 26 more
```
To reproduce:
1- Create a Spark notebook with ``exit`` as content
2- Run notebook, Spark should disconnect interpreter
3- Try restart Spark interpreter -> NullPointer exception (must restart
Zeppelin)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ebuildy/zeppelin patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2473.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2473
----
commit 4f0095120ce5395936dcdba30bce3edf7c95d2af
Author: Thomas Decaux <[email protected]>
Date: 2017-07-09T10:28:34Z
[fix] Check runtimeInfos is not null
This fix NullPointer exception when restart interpreter after it crashed:
Caused by: java.lang.NullPointerException
at
org.apache.zeppelin.notebook.Paragraph.clearRuntimeInfo(Paragraph.java:735)
at
org.apache.zeppelin.socket.NotebookServer.clearParagraphRuntimeInfo(NotebookServer.java:2480)
at
org.apache.zeppelin.rest.InterpreterRestApi.restartSetting(InterpreterRestApi.java:198)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
at
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:160)
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
at
org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
at
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
at
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
at
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
at
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
... 26 more
----
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