### What changes were proposed in this pull request? As title ### Why are the changes needed? This PR addressed the memory leak problem of worker nodes before registration and the NPE issue that occurs when PushDataHandler is accessed during the initialization process.   ### Does this PR introduce _any_ user-facing change? NO ### How was this patch tested? Pass GA Closes #2843 from zhaostu4/zhao/worker_npe. Authored-by: zhangzhao.08 <zhangzhao.08@bytedance.com> Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com> |
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