found out that the plugin only need to be required using

-Dplugins.include=pinot-gcs

and that its bundled by default, however i'm trying out the

0.6.0-RC

and i got the following error:

2020/11/06 09:07:02.367 ERROR [PluginManager] [main] Failed to load plugin [pinot-gcs] from dir [/opt/pinot/plugins/pinot-file-system/pinot-gcs] 
java.lang.IllegalArgumentException: object is not an instance of declaring class

I’m getting this too.

java.lang.IllegalArgumentException: object is not an instance of declaring class
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.pinot.spi.plugin.PluginClassLoader.<init>(PluginClassLoader.java:50) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.createClassLoader(PluginManager.java:171) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.load(PluginManager.java:162) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.init(PluginManager.java:137) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.init(PluginManager.java:103) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.<init>(PluginManager.java:84) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.spi.plugin.PluginManager.<clinit>(PluginManager.java:46) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at org.apache.pinot.tools.admin.command.LaunchDataIngestionJobCommand.main(LaunchDataIngestionJobCommand.java:52) ~[pinot-all-0.6.0-SNAPSHOT-jar-with-dependencies.jar:0.6.0-SNAPSHOT-b97460cc14b18d0ada4f4a3126c667c0d10dcb4c]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at <http://org.apache.spark.deploy.SparkSubmit.org|org.apache.spark.deploy.SparkSubmit.org>$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:928) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:180) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:203) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:90) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1007) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1016) ~[spark-core_2.12-3.0.1.jar:3.0.1]
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) ~[spark-core_2.12-3.0.1.jar:3.0.1]