[jira] [Created] (ZEPPELIN-2829) Switch to flexmark-java for MarkDownInterpreter

[Jeff Zhang (JIRA)]

Jeff Zhang created ZEPPELIN-2829:


 Summary: Switch to  flexmark-java for MarkDownInterpreter
 Key: ZEPPELIN-2829
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2829
 Project: Zeppelin
  Issue Type: Improvement
Reporter: Jeff Zhang






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[GitHub] zeppelin issue #2514: replace pegdown to markdown zeppelin interpreter

[zjffdu]

Github user zjffdu commented on the issue:

https://github.com/apache/zeppelin/pull/2514
  
BTW, it seems pegdown is duplicated according its official github repo. 
https://github.com/sirthias/pegdown
We need to switch to flexmark-java which pegdown suggests for users. 


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[GitHub] zeppelin issue #2514: replace pegdown to markdown zeppelin interpreter

[zjffdu]

Github user zjffdu commented on the issue:

https://github.com/apache/zeppelin/pull/2514
  
Is there any plan to integrate jupyter converter into zeppelin UI (like 
import from jupyter note) ? Otherwise I will doubt how many people will use 
this feature. 


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[GitHub] zeppelin issue #2514: replace pegdown to markdown zeppelin interpreter

[felixcheung]

Github user felixcheung commented on the issue:

https://github.com/apache/zeppelin/pull/2514
  
ah yes, jupyter converter doesn't have doc.


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[GitHub] zeppelin issue #2511: [ZEPPELIN-2821] Fix Missing import

[felixcheung]

Github user felixcheung commented on the issue:

https://github.com/apache/zeppelin/pull/2511
  
yes, let's get CI to run though :)



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[GitHub] zeppelin issue #2474: [ZEPPELIN-2753] Basic Implementation of IPython Interp...

[zjffdu]

Github user zjffdu commented on the issue:

https://github.com/apache/zeppelin/pull/2474
  
@Leemoonsoo @1ambda @felixcheung @prabhjyotsingh I made several follow up 
commit. All the features in this stage is done. Please help review that. I 
believe it would be a big improvement for python users. 


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[GitHub] zeppelin issue #2510: [ZEPPELIN-2756] Support ansi escape code for colorizin...

[zjffdu]

Github user zjffdu commented on the issue:

https://github.com/apache/zeppelin/pull/2510
  
I think @1ambda just want to verify this PR based my PR, @1ambda can rebase 
this PR after #2474  is merged. 


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[jira] [Created] (ZEPPELIN-2828) unhandled NullPointerException in PostgreSqlInterpreter when unable to connect

[Richard Xin (JIRA)]

Richard Xin created ZEPPELIN-2828:
-

 Summary: unhandled NullPointerException in PostgreSqlInterpreter 
when unable to connect
 Key: ZEPPELIN-2828
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2828
 Project: Zeppelin
  Issue Type: Bug
  Components: Interpreters
Affects Versions: 0.7.2
 Environment: AWS EMR 



Reporter: Richard Xin


Steps to reproduce:
1. add postges interpreter via Interpreter UI
2. use "jdbc:postgresql://[db_host]:5432/" as postgresql.url where the default 
value was "jdbc:postgresql://localhost:5432/"
3. create a new notebook:
%postgresql   (or %psql)
select * from test.batch_report; 

got NPE, and here is what in the log:

INFO [2017-08-03 20:22:53,610] ({pool-2-thread-2} 
SchedulerFactory.java[jobStarted]:131) - Job paragraph_1501783535283_1713771734 
started by scheduler 
org.apache.zeppelin.interpreter.remote.RemoteInterpretershared_session392982422
INFO [2017-08-03 20:22:53,611] ({pool-2-thread-2} Paragraph.java[jobRun]:362) - 
run paragraph 20170803-180535_552293631 using psql 
org.apache.zeppelin.interpreter.LazyOpenInterpreter@144aa9ed
INFO [2017-08-03 20:22:53,620] ({pool-2-thread-2} 
RemoteInterpreterManagedProcess.java[start]:126) - Run interpreter process 
[/usr/lib/zeppelin/bin/interpreter.sh, -d, 
/usr/lib/zeppelin/interpreter/postgresql, -p, 42610, -l, 
/usr/lib/zeppelin/local-repo/2CPQEJPGC]
INFO [2017-08-03 20:22:54,190] ({pool-2-thread-2} 
RemoteInterpreter.java[init]:221) - Create remote interpreter 
org.apache.zeppelin.postgresql.PostgreSqlInterpreter
INFO [2017-08-03 20:22:54,370] ({pool-2-thread-2} 
RemoteInterpreter.java[pushAngularObjectRegistryToRemote]:551) - Push local 
angular object registry from ZeppelinServer to remote interpreter group 
2CPQEJPGC:shared_process
WARN [2017-08-03 20:22:54,606] ({pool-2-thread-2} 
NotebookServer.java[afterStatusChange]:2058) - Job 20170803-180535_552293631 is 
finished, status: ERROR, exception: null, result: %text 
java.lang.NullPointerException
at 
org.apache.zeppelin.postgresql.PostgreSqlInterpreter.executeSql(PostgreSqlInterpreter.java:202)
at 
org.apache.zeppelin.postgresql.PostgreSqlInterpreter.interpret(PostgreSqlInterpreter.java:289)
at 
org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:97)
at 
org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:498)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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)

INFO [2017-08-03 20:22:54,673] ({pool-2-thread-2} 
SchedulerFactory.java[jobFinished]:137) - Job 
paragraph_1501783535283_1713771734 finished by scheduler 
org.apache.zeppelin.interpreter.remote.RemoteInterpretershared_session392982422

I later worked around NPE by adding database name as part of the postgresql.url.

I believe this NPE exception is better to be handled and emit more 
user-friendly error message.




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[GitHub] zeppelin issue #2484: [ZEPPELIN-2711] basic metrics for paragraphs & noteboo...

[Leemoonsoo]

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/2484
  
Apologies for late response. @herval It looks great.

While this PR adds dependencies,

```
[INFO] +- org.weakref:jmxutils:jar:1.9:compile
[INFO] +- org.hdrhistogram:HdrHistogram:jar:2.1.4:compile
```

We'll need add their license into 
`https://github.com/apache/zeppelin/blob/master/zeppelin-distribution/src/bin_license/LICENSE`.
 Could you update license file?


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[GitHub] zeppelin issue #2510: [ZEPPELIN-2756] Support ansi escape code for colorizin...

[Leemoonsoo]

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/2510
  
@1ambda This PR includes some commits from 
https://github.com/apache/zeppelin/pull/2474. Is it intended?


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[GitHub] zeppelin issue #2514: replace pegdown to markdown zeppelin interpreter

[Leemoonsoo]

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/2514
  
@cloverhearts Thanks the the improvement!

@felixcheung I think title of this PR little bit misleading. This does not 
change parser of existing markdown interpreter, but change Jupyter notebook 
converter use Zeppelin-Interpreter module to parse markdown, instead of 
directly call pegdown parser.


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[GitHub] zeppelin issue #2516: [ZEPPELIN-2827] Spark's pyspark fails if unsupported v...

[Leemoonsoo]

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/2516
  
Looks good to me!


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[GitHub] zeppelin issue #2516: [ZEPPELIN-2827] Spark's pyspark fails if unsupported v...

[prabhjyotsingh]

Github user prabhjyotsingh commented on the issue:

https://github.com/apache/zeppelin/pull/2516
  
@Leemoonsoo @zjffdu @agoodm please help review this.


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[GitHub] zeppelin pull request #2516: [ZEPPELIN-2827] Spark's pyspark fails if unsupp...

[prabhjyotsingh]

GitHub user prabhjyotsingh opened a pull request:

https://github.com/apache/zeppelin/pull/2516

[ZEPPELIN-2827] Spark's pyspark fails if unsupported version of matplotlib 
is present

### What is this PR for?
%spark.pyspark paragraphs keep running for more than > 5 minutes and then 
at the end, throw TTransportException.

```
org.apache.thrift.transport.TTransportException
at 
org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)
at 
org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429)
at 
org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318)
at 
org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
```

This happens because Zeppelin refers to 
`matplotlib.rcParams['savefig.format']` 
https://github.com/apache/zeppelin/blob/master/interpreter/lib/python/mpl_config.py#L83
 which is only present in matplotlib 1.2.0 
(https://github.com/matplotlib/matplotlib/blob/v1.2.0/matplotlibrc.template#L355)
 and onwards.


### What type of PR is it?
[Bug Fix]

### What is the Jira issue?
* [ZEPPELIN-2827](https://issues.apache.org/jira/browse/ZEPPELIN-2827)

### How should this be tested?
Try running spark.pyspark on a machine with matplotlib==1.1.1 installed, 
pyspark should work as expected.


### Questions:
* Does the licenses files need update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-2827

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/zeppelin/pull/2516.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 #2516


commit da26f5613d831e74aacfcc08e91d4eed88e3d47c
Author: Prabhjyot Singh 
Date:   2017-08-03T22:15:32Z

add a version check along with check if matplotlib is installed




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[jira] [Created] (ZEPPELIN-2827) Spark's pyspark fails if unsupported version of matplotlib is present

[Prabhjyot Singh (JIRA)]

Prabhjyot Singh created ZEPPELIN-2827:
-

 Summary: Spark's pyspark fails if unsupported version of 
matplotlib is present 
 Key: ZEPPELIN-2827
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2827
 Project: Zeppelin
  Issue Type: Bug
  Components: Interpreters
Affects Versions: 0.7.2
Reporter: Prabhjyot Singh
Assignee: Prabhjyot Singh


%spark.pyspark paragraphs keep running for more than > 5 minutes and then at 
the end, throw TTransportException.

{code:java}
org.apache.thrift.transport.TTransportException
at 
org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)
at 
org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429)
at 
org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318)
at 
org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
at 
org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.recv_interpret(RemoteInterpreterService.java:266)
at 
org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.interpret(RemoteInterpreterService.java:250)
at 
org.apache.zeppelin.interpreter.remote.RemoteInterpreter.interpret(RemoteInterpreter.java:398)
at 
org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:101)
at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:410)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at 
org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:329)
at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}





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[GitHub] zeppelin pull request #2492: [ZEPPELIN-2775] Strict-Transport-Security and X...

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/2492


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[GitHub] zeppelin issue #2512: [ZEPPELIN-2823] Notebook saved status is wrong if ther...

[prabhjyotsingh]

Github user prabhjyotsingh commented on the issue:

https://github.com/apache/zeppelin/pull/2512
  
CI Green, Ready for review.

@Leemoonsoo @1ambda @zjffdu Please help review.


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[GitHub] zeppelin issue #2515: [ZEPPELIN-2825] - Fix Zeppelin to support any of the S...

[prabhjyotsingh]

Github user prabhjyotsingh commented on the issue:

https://github.com/apache/zeppelin/pull/2515
  
LGTM! +1 for adding documentation.


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[GitHub] zeppelin pull request #2512: [ZEPPELIN-2823] Notebook saved status is wrong ...

[prabhjyotsingh]

Github user prabhjyotsingh closed the pull request at:

https://github.com/apache/zeppelin/pull/2512


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[GitHub] zeppelin pull request #2512: [ZEPPELIN-2823] Notebook saved status is wrong ...

[prabhjyotsingh]

GitHub user prabhjyotsingh reopened a pull request:

https://github.com/apache/zeppelin/pull/2512

[ZEPPELIN-2823] Notebook saved status is wrong if there was a network 
disconnect or a flaky network.

### What is this PR for?
Notebook content doesn't get saved if there is a flaky network, and at 
times user's paragraph content also gets lost in this process.


### What type of PR is it?
[Bug Fix]


### What is the Jira issue?
* [ZEPPELIN-2823](https://issues.apache.org/jira/browse/ZEPPELIN-2823)

### How should this be tested?
Steps to re-produce:
 - create a new notebook
 - in the first paragraph enter text, say "version1"
 - now disconnect the network (say by removing LAN cable)
 - update this paragraph again with text "version2"
 - reconnect network
 - now observe the on the WebSocket reconnect, the content of this 
paragraph will go back to "version1"

### Screenshots (if appropriate)

Before

![before](https://user-images.githubusercontent.com/674497/28852738-5772029e-76e0-11e7-82ed-8c2a25d3ab47.gif)

After

![after](https://user-images.githubusercontent.com/674497/28852739-5774efcc-76e0-11e7-9e48-4bda935c4686.gif)


### Questions:
* Does the licenses files need an update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-2823

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/zeppelin/pull/2512.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 #2512


commit d2a835f7785159833e2a00cf519f1c95fcc87c24
Author: Prabhjyot Singh 
Date:   2017-08-02T00:35:03Z

wait for server confirmation before updating stats of notebook

commit 8b8c2f97415f49d839a266caaa10de0c7b89fce3
Author: Prabhjyot Singh 
Date:   2017-08-02T22:39:49Z

check for empty originalText

commit 947be70b41279c572257353d9536f3e8fecc6a4e
Author: Prabhjyot Singh 
Date:   2017-08-03T14:34:24Z

check if noteId exists in session or take it from fromMessage




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[GitHub] zeppelin issue #2511: [ZEPPELIN-2821] Fix Missing import

[felixcheung]

Github user felixcheung commented on the issue:

https://github.com/apache/zeppelin/pull/2511
  
could you please setup travis CI to run tests

https://zeppelin.apache.org/contribution/contributions.html#continuous-integration



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[GitHub] zeppelin pull request #2512: [ZEPPELIN-2823] Notebook saved status is wrong ...

[prabhjyotsingh]

Github user prabhjyotsingh closed the pull request at:

https://github.com/apache/zeppelin/pull/2512


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[GitHub] zeppelin pull request #2512: [ZEPPELIN-2823] Notebook saved status is wrong ...

[prabhjyotsingh]

GitHub user prabhjyotsingh reopened a pull request:

https://github.com/apache/zeppelin/pull/2512

[ZEPPELIN-2823] Notebook saved status is wrong if there was a network 
disconnect or a flaky network.

### What is this PR for?
Notebook content doesn't get saved if there is a flaky network, and at 
times user's paragraph content also gets lost in this process.


### What type of PR is it?
[Bug Fix]


### What is the Jira issue?
* [ZEPPELIN-2823](https://issues.apache.org/jira/browse/ZEPPELIN-2823)

### How should this be tested?
Steps to re-produce:
 - create a new notebook
 - in the first paragraph enter text, say "version1"
 - now disconnect the network (say by removing LAN cable)
 - update this paragraph again with text "version2"
 - reconnect network
 - now observe the on the WebSocket reconnect, the content of this 
paragraph will go back to "version1"

### Screenshots (if appropriate)

Before

![before](https://user-images.githubusercontent.com/674497/28852738-5772029e-76e0-11e7-82ed-8c2a25d3ab47.gif)

After

![after](https://user-images.githubusercontent.com/674497/28852739-5774efcc-76e0-11e7-9e48-4bda935c4686.gif)


### Questions:
* Does the licenses files need an update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-2823

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/zeppelin/pull/2512.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 #2512


commit d2a835f7785159833e2a00cf519f1c95fcc87c24
Author: Prabhjyot Singh 
Date:   2017-08-02T00:35:03Z

wait for server confirmation before updating stats of notebook

commit 8b8c2f97415f49d839a266caaa10de0c7b89fce3
Author: Prabhjyot Singh 
Date:   2017-08-02T22:39:49Z

check for empty originalText




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[GitHub] zeppelin issue #2515: [ZEPPELIN-2825] - Fix Zeppelin to support any of the S...

[zjffdu]

Github user zjffdu commented on the issue:

https://github.com/apache/zeppelin/pull/2515
  
I think it is better to allow user to provide custom 
`RolesAuthorizationFilter` for more general case. 


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[jira] [Created] (ZEPPELIN-2826) Support progress bar in frontend

[Jeff Zhang (JIRA)]

Jeff Zhang created ZEPPELIN-2826:


 Summary: Support progress bar in frontend
 Key: ZEPPELIN-2826
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2826
 Project: Zeppelin
  Issue Type: Sub-task
Reporter: Jeff Zhang






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