kohsuke / youdebug Goto Github PK

Non-interactive Java debugger with Groovy

License: MIT License

Groovy 63.73% CSS 1.37% Java 34.90%

youdebug's Issues

closure for method breakpoint does not have access to Method

The handler closure for MethodEntryEvent does not have access to the event itself, so it's diffcult to access to actual com.sun.jdi.Method object, which is required, e.g. to differ between multiple methods of the same name.

The handler closure is called here:
See https://github.com/kohsuke/youdebug/blob/master/src/main/groovy/org/kohsuke/youdebug/VM.groovy#L311

YouDebug download link is broken

The Maven repo linked to on the YouDebug site is down. But YouDebug seems to be available in Maven Central according to http://mvnrepository.com/artifact/org.kohsuke/youdebug

Update to work with modern Java versions and Groovy 4

Hey,

I have given a couple of presentations on YouDebug in the past (local Java User Group, GR8Conf 2015 in Copenhagen) and just this week at JavaLand 2024 in Germany. For the latter I updated YouDebug to work with modern Java versions (JDK11+) and would like to see if/how we can merge this upstream instead of live in my clone of the repo.

I will create a PR and am happy to discuss the changes.

Iterate HashMap entries from script

Hi,

I wrote the following script:

vm.breakpoint("com.acme.Test",111) {
    def map = hashmap
    def entries = map.entrySet()
    println map
    println entries
}

Which prints:

instance of java.util.HashMap(id=33)
instance of java.util.HashMap$EntrySet(id=38)

Although entries should be a Set, not java.util.HashMap$EntrySet since that class does not exist.

When I iterate over the entries, I get the following exception:

vm.breakpoint("freemarker.template.Template",383) {
    def map = dataModel.map
    def entries = map.entrySet()
    println map
    println entries
    for (entry in entries) {
        println(entry.getKey())
    }
}

Caused by: org.kohsuke.youdebug.NoSuchMethodException: No such method getKey on class java.util.HashMap$EntrySet (no class loader) that takes [[]]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
	at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:107)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:52)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:192)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:200)
	at org.kohsuke.youdebug.JDICategory.chooseMethod(JDICategory.groovy:135)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
	at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite$StaticMetaMethodSiteNoUnwrapNoCoerce.invoke(StaticMetaMethodSite.java:148)
	at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:99)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:187)
	at org.kohsuke.youdebug.JDICategory.methodMissing(JDICategory.groovy:84)
	... 125 more

What would be the way to iterate through HashMap entries?

Thanks!

No license specified

YouDebug does not state its license. I searched the pom.xml, source code headers, documentation, ... but to no avail. Could you please clarify the license? Is it Apache Public License 2.0 or MIT?

kohsuke / youdebug Goto Github PK

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youdebug's Issues

closure for method breakpoint does not have access to Method

YouDebug download link is broken

Update to work with modern Java versions and Groovy 4

Iterate HashMap entries from script

No license specified

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