The following was reported Egor Ushakov (JetBrains).
The com.sun.tools.jdi.ClassLoaderReferenceImpl#findType may be slow because ClassLoaderReferenceImpl#visibleClasses does not populate signature and we check it for every class in the loop just after, so requesting all unavailable signatures one by one.
The suggested fix is:
https://github.com/JetBrains/JetBrainsRuntime/commit/ae823a660ba5ee48ac4d010723b8e33b0db9612b
The com.sun.tools.jdi.ClassLoaderReferenceImpl#findType may be slow because ClassLoaderReferenceImpl#visibleClasses does not populate signature and we check it for every class in the loop just after, so requesting all unavailable signatures one by one.
The suggested fix is:
https://github.com/JetBrains/JetBrainsRuntime/commit/ae823a660ba5ee48ac4d010723b8e33b0db9612b
- relates to
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JDK-8146986 JDI: Signature lookups for unprepared classes can take a long time
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- Resolved
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