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plugin卸載時無法將已經加載的字節從内容中回收掉 #433

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Fnck opened this issue Apr 23, 2019 · 0 comments
Open

plugin卸載時無法將已經加載的字節從内容中回收掉 #433

Fnck opened this issue Apr 23, 2019 · 0 comments

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@Fnck
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Fnck commented Apr 23, 2019

看了下源碼，
com.github.ltsopensource.tasktracker.runner.plug.PlugManager#unstall
這個方法只是將新增的classloader中對jar包的句柄關閉，因此可以將jar刪除，但是已加載的字節無法壓縮，由於parent\sub classloader的關係存在，gc也無法回收這部分代碼，會造成memory leak
建議
將sub classloader的parent字段用反射方式置爲null，下次gc會回收掉
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@Fnck