JingsongLi commented on a change in pull request #10620:
[FLINK-15239][table-planner-blink] CompileUtils::COMPILED_CACHE leaks class
loaders
URL: https://github.com/apache/flink/pull/10620#discussion_r361588690
##########
File path:
flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/runtime/generated/CompileUtils.java
##########
@@ -59,14 +62,16 @@
* @return the compiled class
*/
public static <T> Class<T> compile(ClassLoader cl, String name, String
code) {
- Tuple2<ClassLoader, String> cacheKey = Tuple2.of(cl, name);
- Class<?> clazz = COMPILED_CACHE.getIfPresent(cacheKey);
- if (clazz == null) {
- clazz = doCompile(cl, name, code);
- COMPILED_CACHE.put(cacheKey, clazz);
+ try {
+ Cache<ClassLoader, Class> compiledClasses =
COMPILED_CACHE.get(name,
+ () ->
CacheBuilder.newBuilder().maximumSize(5).weakKeys().softValues().build());
+ return compiledClasses.get(cl, () -> doCompile(cl,
name, code));
+ } catch (ExecutionException | UncheckedExecutionException e) {
Review comment:
I mean removing guava wrapped exceptions in the stack as you previous did.
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