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 <ebui...@gmail.com>
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
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
