tillrohrmann 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_r343106088
##########
File path:
flink-container/src/main/java/org/apache/flink/container/entrypoint/ClassPathJobGraphRetriever.java
##########
@@ -133,9 +138,18 @@ private String getJobClassNameOrScanClassPath() throws
FlinkException {
}
private String scanClassPathForJobJar() throws IOException {
- LOG.info("Scanning class path for job JAR");
- JarFileWithEntryClass jobJar =
JarManifestParser.findOnlyEntryClass(jarsOnClassPath.get());
-
+ final JarFileWithEntryClass jobJar;
+ if (getUserClassPaths().isEmpty()) {
+ LOG.info("Scanning system class path for job JAR");
+ jobJar =
JarManifestParser.findOnlyEntryClass(jarsOnClassPath.get());
+ } else {
+ LOG.info("Scanning user class path for job JAR");
+ final List<File> userJars = getUserClassPaths()
+ .stream()
+ .map(url -> new File(url.getFile()))
+ .collect(Collectors.toList());
+ jobJar = JarManifestParser.findOnlyEntryClass(userJars);
+ }
Review comment:
Hmm I still don't fully understand why it would be a problem to first look
into `usrlib` and then `lib` for a jar with a configured entrypoint class. What
exactly are your concerns with this approach @guoweiM?
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