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https://issues.apache.org/jira/browse/FLINK-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009140#comment-15009140
 ] 

ASF GitHub Bot commented on FLINK-2978:
---------------------------------------

Github user sachingoel0101 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1338#discussion_r45094279
  
    --- Diff: 
flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarListHandler.java
 ---
    @@ -0,0 +1,130 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + *     http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.flink.runtime.webmonitor.handlers;
    +
    +import com.fasterxml.jackson.core.JsonGenerator;
    +import org.apache.flink.client.program.PackagedProgram;
    +import org.apache.flink.client.program.ProgramInvocationException;
    +import org.apache.flink.runtime.instance.ActorGateway;
    +import org.apache.flink.runtime.webmonitor.RuntimeMonitorHandler;
    +
    +import java.io.File;
    +import java.io.FilenameFilter;
    +import java.io.IOException;
    +import java.io.StringWriter;
    +import java.util.Map;
    +import java.util.UUID;
    +import java.util.jar.JarFile;
    +import java.util.jar.Manifest;
    +
    +public class JarListHandler implements RequestHandler, 
RequestHandler.JsonResponse {
    +
    +   private final File jarDir;
    +
    +   public  JarListHandler(File jarDirectory) {
    +           jarDir = jarDirectory;
    +   }
    +
    +   @Override
    +   public String handleRequest(Map<String, String> params, ActorGateway 
jobManager) throws Exception {
    +           try {
    +                   StringWriter writer = new StringWriter();
    +                   JsonGenerator gen = 
JsonFactory.jacksonFactory.createJsonGenerator(writer);
    +                   gen.writeStartObject();
    +                   gen.writeStringField("address", 
params.get(RuntimeMonitorHandler.WEB_MONITOR_ADDRESS_KEY));
    +                   if (jarDir != null) {
    --- End diff --
    
    That's exactly why I offered to make it more explicit. :')
    On Nov 17, 2015 11:26 PM, "Robert Metzger" <[email protected]> wrote:
    
    > In
    > 
flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JarListHandler.java
    > <https://github.com/apache/flink/pull/1338#discussion_r45094049>:
    >
    > > +public class JarListHandler implements RequestHandler, 
RequestHandler.JsonResponse {
    > > +
    > > +       private final File jarDir;
    > > +
    > > +       public  JarListHandler(File jarDirectory) {
    > > +               jarDir = jarDirectory;
    > > +       }
    > > +
    > > +       @Override
    > > +       public String handleRequest(Map<String, String> params, 
ActorGateway jobManager) throws Exception {
    > > +               try {
    > > +                       StringWriter writer = new StringWriter();
    > > +                       JsonGenerator gen = 
JsonFactory.jacksonFactory.createJsonGenerator(writer);
    > > +                       gen.writeStartObject();
    > > +                       gen.writeStringField("address", 
params.get(RuntimeMonitorHandler.WEB_MONITOR_ADDRESS_KEY));
    > > +                       if (jarDir != null) {
    >
    > I don't doubt that its working correctly now. The issue is that its really
    > not obvious what this check is for. Somebody else changing your code might
    > easily break it!
    >
    > —
    > Reply to this email directly or view it on GitHub
    > <https://github.com/apache/flink/pull/1338/files#r45094049>.
    >



> Integrate web submission interface into the new dashboard
> ---------------------------------------------------------
>
>                 Key: FLINK-2978
>                 URL: https://issues.apache.org/jira/browse/FLINK-2978
>             Project: Flink
>          Issue Type: New Feature
>          Components: Web Client, Webfrontend
>            Reporter: Sachin Goel
>            Assignee: Sachin Goel
>
> As discussed in 
> http://mail-archives.apache.org/mod_mbox/flink-dev/201511.mbox/%3CCAL3J2zQg6UBKNDnm=8tshpz6r4p2jvx7nrlom7caajrb9s6...@mail.gmail.com%3E,
>  we should integrate job submission from the web into the dashboard.



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