john lilley created NETBEANS-2292:
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Summary: In debugger, step over compute-intensive line takes
"forever", but running to breakpoint is fast
Key: NETBEANS-2292
URL: https://issues.apache.org/jira/browse/NETBEANS-2292
Project: NetBeans
Issue Type: Bug
Components: debugger - Java
Affects Versions: 8.2
Environment: Windows 10 pro, Oracle JDK 1.8.0_144
Reporter: john lilley
Given this code:
{{import java.security.KeyPair;}}
{{import java.security.KeyPairGenerator;}}
{{public class Scratch {}}
{{ public static void main(String[] args) throws Exception {}}
{{ KeyPairGenerator rsaKpGen = KeyPairGenerator.getInstance("RSA");}}
{{ rsaKpGen.initialize(4096);}}
{{ KeyPair kp = rsaKpGen.generateKeyPair();}}
{{ int x = 1;}}
{{ }}}}
If I set a breakpoint on the first line of main, then step through one line at
a time, it will take "forever" to step over the generateKeyPair(). If I pause
the debugger, it is in deep in BigInteger.probablePrime(). However, if I set a
breakpoint at x=1 and start debugging, it will get there in a few seconds.
There are no other breakpoints set.
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