GRAILS-10183 GRAILS-10081 fixes for ForkedGrailsProcess

Author: lhotari

grails-bootstrap/src/main/groovy/org/codehaus/groovy/grails/cli/fork/ForkedGrailsProcess.groovy

@@ -18,6 +18,7 @@ package org.codehaus.groovy.grails.cli.fork
 import gant.Gant
 import grails.build.logging.GrailsConsole
 import grails.util.BuildSettings
+import grails.util.BuildSettingsHolder;
 import grails.util.PluginBuildSettings
 import groovy.transform.CompileStatic
 import org.codehaus.groovy.grails.cli.support.PluginPathDiscoverySupport
@@ -105,7 +106,9 @@ abstract class ForkedGrailsProcess {
             cmd.add("-Dgrails.show.stacktrace=true")
         }
         if (reloadingAgent != null) {
-            cmd.addAll(["-javaagent:" + reloadingAgent.getCanonicalPath(), "-noverify", "-Dspringloaded=profile=grails"])
+            cmd.addAll(["-javaagent:" + reloadingAgent.getCanonicalPath(), "-noverify", "-Dspringloaded.synchronize=true", "-Djdk.reflect.allowGetCallerClass=true"])
+            def cacheDir=System.getenv("GRAILS_AGENT_CACHE_DIR") ?: BuildSettingsHolder.settings.grailsWorkDir.canonicalPath
+            cmd.add("-Dspringloaded=profile=grails;cacheDir=${cacheDir}")
         }
         cmd << getClass().name
         if (jvmArgs) {