Java SE 8 update 60 Java Debugger (jdb) Hangs For a Minute During Remote Debug Using ClassLoaderReference.visibleClasses
Last updated on JULY 17, 2016
Applies to:Java SE JDK and JRE - Version 8 and later
Information in this document applies to any platform.
Remote debugging sessions of a Java application sometimes appear to be hanging for 1-3 minutes on slow connections. There are certain activities that trigger these pauses. One of them is the first invocation of ClassLoaderReferenceImpl.visibleClasses() which loads a huge amount of information from the client JVM.
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