[jira] [Created] (FLINK-9086) Use INTERNAL_HADOOP_CLASSPATHS as classpath for launching Yarn cluster for Scala Shell

[Shang Yuanchun (Jira)]

Keda Ruan created FLINK-9086:
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             Summary: Use INTERNAL_HADOOP_CLASSPATHS as classpath for launching Yarn cluster for Scala Shell
                 Key: FLINK-9086
                 URL: https://issues.apache.org/jira/browse/FLINK-9086
             Project: Flink
          Issue Type: Improvement
          Components: Startup Shell Scripts
    Affects Versions: 1.4.0
            Reporter: Keda Ruan


Some environment does not have hadoop jars in {{HADOOP_CLASSPATH}}, causing Flink Yarn cluster unable to start due to some jars missing. For example Flink 1.4.0 drops jersey dependency in its shaded hadoop jar, causing Yarn cluster unable to start:
{quote}Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/jersey/core/util/FeaturesAndProperties
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
{quote}

Since there is a {{INTERNAL_HADOOP_CLASSPATHS}} in {{config.sh}} that has {{hadoop classpath}} result, we can utilize this and improve the user experience on starting Flink Yarn cluster for Scala Shell.



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