guoweiM commented on a change in pull request #10076: [FLINK-14465][runtime]
Let `StandaloneJobClusterEntrypoint` use user code class loader
URL: https://github.com/apache/flink/pull/10076#discussion_r342405496
##########
File path:
flink-container/src/main/java/org/apache/flink/container/entrypoint/StandaloneJobClusterEntryPoint.java
##########
@@ -74,10 +79,20 @@ private StandaloneJobClusterEntryPoint(
}
@Override
- protected DispatcherResourceManagerComponentFactory
createDispatcherResourceManagerComponentFactory(Configuration configuration) {
+ protected DispatcherResourceManagerComponentFactory
createDispatcherResourceManagerComponentFactory(Configuration configuration)
throws IOException {
+ final String flinkHomeDir = System.getenv(ENV_FLINK_HOME_DIR);
Review comment:
1. I have verified it. (Running /test_docker_embedded_job.sh and manually
package the per-job docker image and run) . I see this value in
`ConfigConstants`. So I thought it was a contract.
1. Since you said this is not a contract, I would like to propose not to
rely on `FLINK_HOME`
1. One possible approach is:
1. The default behavior is to only look for the UsrLib directory
relative to WorkingDir.
1. If it does not exist, we could try the ENV_FLINK_USR_LIB_DIR
directory.
By the way
This requires modifying the working dir in docker-entrypoint.sh to support
the default behavior.
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