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https://issues.apache.org/jira/browse/FLINK-23346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17379013#comment-17379013
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Congxian Qiu commented on FLINK-23346:
--------------------------------------
[~yunta] Yes, env->ExceptionCheck() is true, it's some serializer exception
from RocksDbTtlCompactionFilter, still debug why the exception can happen now.
> RocksDBStateBackend may core dump in flink_compactionfilterjni.cc
> -----------------------------------------------------------------
>
> Key: FLINK-23346
> URL: https://issues.apache.org/jira/browse/FLINK-23346
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.14.0, 1.13.1, 1.12.4
> Reporter: Congxian Qiu
> Priority: Major
>
> The code in [flink_compactionfilte.cpp
> |https://github.com/ververica/frocksdb/blob/49bc897d5d768026f1eb816d960c1f2383396ef4/java/rocksjni/flink_compactionfilterjni.cc#L21]
> {code:cpp}
> inline void CheckAndRethrowException(JNIEnv* env) const {
> if (env->ExceptionCheck()) {
> env->ExceptionDescribe();
> env->Throw(env->ExceptionOccurred());
> }
> {code}
> may core dump in some sence, please see more information here[1][2][3]
> We can fix it by changing this to
> {code:cpp}
> inline void CheckAndRethrowException(JNIEnv* env) const {
> if (env->ExceptionCheck()) {
> env->Throw(env->ExceptionOccurred());
> }
> }
> {code}
> or
> {code:cpp}
> inline void CheckAndRethrowException(JNIEnv* env) const {
> if (env->ExceptionCheck()) {
> jobject obj = env->ExceptionOccurred();
> env->ExceptionDescribe();
> env->Throw(obj);
> }
> }
> {code}
> [1]
> [https://stackoverflow.com/questions/30971068/does-jniexceptiondescribe-implicitily-clear-the-exception-trace-of-the-jni-env]
> [2] [https://bugs.openjdk.java.net/browse/JDK-4067541]
> [3] [https://bugs.openjdk.java.net/browse/JDK-8051947]
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