Cannot install jogl-compat plugin

groovy.lang.MissingPropertyException: No such property: lowercaseName for class: java.lang.String
	at org.codehaus.griffon.artifacts.ArtifactInstallEngine.inspectArtifactRelease(ArtifactInstallEngine.groovy:680)
	at org.codehaus.griffon.artifacts.ArtifactInstallEngine.this$2$inspectArtifactRelease(ArtifactInstallEngine.groovy)
	at org.codehaus.griffon.artifacts.ArtifactInstallEngine$this$2$inspectArtifactRelease.callCurrent(Unknown Source)
	at org.codehaus.griffon.artifacts.ArtifactInstallEngine.installFromFile(ArtifactInstallEngine.groovy:475)
	at org.codehaus.griffon.artifacts.ArtifactInstallEngine$installFromFile.call(Unknown Source)
	at _GriffonArtifacts$_run_closure16.doCall(_GriffonArtifacts.groovy:272)
	at _GriffonArtifacts$_run_closure16.call(_GriffonArtifacts.groovy)
	at _GriffonArtifacts$_run_closure13_closure21.doCall(_GriffonArtifacts.groovy:202)
	at _GriffonArtifacts$_run_closure13_closure21.doCall(_GriffonArtifacts.groovy)
	at java_util_concurrent_Callable$call.call(Unknown Source)
	at _GriffonArtifacts.withArtifactInstall(_GriffonArtifacts.groovy:186)
	at _GriffonArtifacts.this$4$withArtifactInstall(_GriffonArtifacts.groovy)
	at _GriffonArtifacts$_run_closure13.doCall(_GriffonArtifacts.groovy:201)
	at _GriffonArtifacts$_run_closure13.doCall(_GriffonArtifacts.groovy)
	at _GriffonArtifacts$_run_closure4.doCall(_GriffonArtifacts.groovy:105)
	at _GriffonArtifacts$_run_closure4.call(_GriffonArtifacts.groovy)
	at _GriffonSettings$_run_closure1.doCall(_GriffonSettings:28)
	at java_util_concurrent_Callable$call.call(Unknown Source)
	at java_util_concurrent_Callable$call.call(Unknown Source)
	at java_util_concurrent_Callable$call.call(Unknown Source)
	at java_util_concurrent_Callable$call.call(Unknown Source)
	at org.codehaus.griffon.cli.GriffonScriptRunner.executeWithGantInstance(GriffonScriptRunner.java:635)
	at org.codehaus.griffon.cli.GriffonScriptRunner.executeWithGantInstanceNoException(GriffonScriptRunner.java:654)
	at org.codehaus.griffon.cli.GriffonScriptRunner.callPluginOrGriffonScript(GriffonScriptRunner.java:384)
	at org.codehaus.griffon.cli.GriffonScriptRunner.doExecuteCommand(GriffonScriptRunner.java:297)
	at org.codehaus.griffon.cli.GriffonScriptRunner.main(GriffonScriptRunner.java:142)
	at org.codehaus.griffon.cli.support.GriffonStarter.rootLoader(GriffonStarter.java:198)
	at org.codehaus.griffon.cli.support.GriffonStarter.main(GriffonStarter.java:223)