If this class cannot be found on the classpath then chances are Flink is completely missing from the classpath.

I haven't worked with EMR, but my guess is that you did not submit things correctly.

From the EMR documentation I could gather that the submission should work without the submitted jar bundling all of Flink;

given that you jar works in a local cluster that part should not be the problem.


On 21/08/2020 08:16, Manas Kale wrote:
Hi,
I am trying to deploy a Flink jar on AWS EMR service. I have ensured that Flink v1.10.0 is used in my pom file as that's the versionĀ supported by EMR. However, I get the following error:
Exception in thread "main" java.lang.NoClassDefFoundError: 
org/apache/flink/api/java/typeutils/ResultTypeQueryable
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
        at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:232)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
Caused by: java.lang.ClassNotFoundException: 
org.apache.flink.api.java.typeutils.ResultTypeQueryable
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        ... 15 more
Also, if I deploy this on my local Flink cluster (v1.10.1) it works.
I'm not sure what could be the cause. Could it be because of misconfigured classes bundled in the final JAR file or something that was patched in v 1.10.1?


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