Github user zohar-mizrahi commented on a diff in the pull request:
https://github.com/apache/flink/pull/3838#discussion_r132841381
--- Diff: flink-libraries/flink-streaming-python/pom.xml ---
@@ -0,0 +1,104 @@
+<!--
+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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-libraries</artifactId>
+ <version>1.4-SNAPSHOT</version>
+ <relativePath>..</relativePath>
+ </parent>
+
+ <artifactId>flink-streaming-python_${scala.binary.version}</artifactId>
+ <name>flink-streaming-python</name>
+ <packaging>jar</packaging>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <configuration>
+ <descriptorRefs>
+
<descriptorRef>jar-with-dependencies</descriptorRef>
+ </descriptorRefs>
+ <archive>
+ <manifest>
+
<addClasspath>true</addClasspath>
+
<mainClass>org.apache.flink.streaming.python.api.PythonStreamBinder</mainClass>
+ </manifest>
+ </archive>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+
+ <!-- core dependencies -->
+
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-core</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-java</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+
<artifactId>flink-streaming-java_${scala.binary.version}</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+
<artifactId>flink-runtime_${scala.binary.version}</artifactId>
+ <version>${project.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.python</groupId>
+ <artifactId>jython-standalone</artifactId>
+ <version>2.7.0</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-connector-kafka-0.9_2.10</artifactId>
--- End diff --
Done for the Scala version.
As for not being able to run the tests:
1. I fixed the issue with the ```TypeError: object of type
'java.lang.Class' has no len()```.
2. I still can't reproduce the main issue, concerning an import of java
class from the Python module:
File:
```flink-libraries/flink-streaming-python/src/test/python/org/apache/flink/streaming/python/api/utils/python_test_base.py```
Line:19: ```from org.apache.flink.api.java.utils import ParameterTool```
The given class (ParameterTool) resides in different project `flink-java`
and the jython module cannot find it. Probably, It somehow concerns the
CLASSPATH.
Any suggestion for how to reproduce it?
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