Apologies to the group
This was a bad dependency merge of junit that was causing this thread lockup.
It works just fine now
regards
Saravanan
On 2020/08/10 04:41:42, Daniel Sun wrote:
> Could you provide a standalone runnable script to reproduce the issue?
> BTW, the script is expected to be written in Groovy/Java.
>
> Cheers,
> Daniel Sun
> On 2020/08/08 13:19:01, Saravanan Palanichamy wrote:
> > Hello
> >
> > I have an extension of GroovyClassLoader that I use as follows
> >
> > a) I override loadClass to make sure I decide where to load from
> > b) I first call loadClass on my parent class loader to make sure the class
> > is not loaded there (I assert if it is. This code is not shown below)
> > c) I then call loadClass after turning off all script loading on
> > myclassloader to make sure this class is not already loaded. If it is, I
> > just use that
> > d) If I get a class not found exception, I know this class is not already
> > loaded and so I look up a local repository to fetch a string based script
> > and call parseClass (I do all of this in the context of loadClass)
> >
> > This used to work with 2.5.x but when I upgrade to 3.0.5, it sits in a
> > blocked state (not sure if it is blocked on some mutex because of a
> > recursion some where). When I use my debugger , when it gets to this state,
> > I am not able to read any of my variable values in the debugger (which
> > seems to indicate some threading read lock somewhere)
> >
> > Question :- Am I doing this the right way? Why does it block and not load
> > the class? It locks up in the parseClass invocation (inside a validate call
> > that validates the sourceCode object
> >
> > My code looks like this
> >
> > class MyClassLoader constructor(
> > private val repository: FlowsRepository,
> > private val configuration: CompilerConfiguration,
> > parentClassLoader: ClassLoader
> > ) : GroovyClassLoader(parentClassLoader, configuration) {
> >
> > /** Load class [name] either from repository or class path */
> > override fun loadClass(
> > name: String,
> > lookupScriptFiles: Boolean,
> > preferClassOverScript: Boolean,
> > resolve: Boolean
> > ): Class<*> {
> > return try {
> > // Never try to load from script files, always parse from
> > repository
> > super.loadClass(name, false, true, resolve)
> > } catch (e: ClassNotFoundException) {
> > // Try fetching it from the repository
> > parseFromRepository(name)
> > }
> > }
> >
> > /** Parse [name] from the flow repository and cache it */
> > private fun parseFromRepository(name: String): Class<*> {
> >
> > // Fetch flow source
> > val flow = repository.fetchFlow(name) ?: throw
> > ClassNotFoundException("Unable to find flow $name")
> >
> > // Parse the class if found
> > try {
> > // If parseClass yields a class whose name does not match
> > (typically when we are trying to find an inner
> > // class (A.B) by parsing the outer class source file
> > (A.groovy), throw class not found. The compiler will
> > // attempt to then find A$B which is how inner classes are
> > stored in the class loader. This find will
> > // succeed (this process is repeated for inner classes inside
> > inner classes)
> > super.parseClass(flow.sourceCode, true)
> >
> > // The class parsed may not be the class you are looking for,
> > but it may be an inner class, so
> > // use the cache to get it
> > return getClassCacheEntry(name) ?: throw
> > ClassNotFoundException("Unable to find flow $name")
> > } catch (e: CompilationFailedException) {
> > throw CodeQualityException("Compile error", e)
> > }
> > }
> > }
> >
>
