KannarFr opened a new issue #5449: function worker v2.4.1 issues on dependency shared URL: https://github.com/apache/pulsar/issues/5449 **Describe the bug** We bumped our functions workers to v2.4.1 from v2.4.0 and the function which is using several dependencies can't boot because of the following stack: ``` 13:10:51.038 [clevercloud/functions/accessLogsCleverCloudADCHaproxy-0] ERROR org.apache.pulsar.functions.instance.JavaInstanceRunnable - [clevercloud/functions/accessLogsCleverCloudADCHaproxy:0] Uncaught exception in Java Instance java.lang.RuntimeException: User class constructor throws exception at org.apache.pulsar.functions.utils.Reflections.createInstance(Reflections.java:126) ~[org.apache.pulsar-pulsar-functions-utils-2.4.1.jar:2.4.1] at org.apache.pulsar.functions.instance.JavaInstanceRunnable.setupJavaInstance(JavaInstanceRunnable.java:189) ~[org.apache.pulsar-pulsar-functions-instance-2.4.1.jar:?] at org.apache.pulsar.functions.instance.JavaInstanceRunnable.run(JavaInstanceRunnable.java:234) [org.apache.pulsar-pulsar-functions-instance-2.4.1.jar:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_192] Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_192] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_192] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_192] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_192] at org.apache.pulsar.functions.utils.Reflections.createInstance(Reflections.java:118) ~[org.apache.pulsar-pulsar-functions-utils-2.4.1.jar:2.4.1] ... 3 more Caused by: java.lang.LinkageError: ClassCastException: attempting to castjar:file:/pulsar/lib/javax.ws.rs-javax.ws.rs-api-2.1.jar!/javax/ws/rs/client/ClientBuilder.class to file:/tmp/pulsar-nar/pulsar-functions-0.1.0-SNAPSHOT.jar-unpacked/javax/ws/rs/client/ClientBuilder.class at javax.ws.rs.client.ClientBuilder.newBuilder(ClientBuilder.java:81) ~[javax.ws.rs-javax.ws.rs-api-2.1.jar:2.1] at javax.ws.rs.client.ClientBuilder.newClient(ClientBuilder.java:97) ~[javax.ws.rs-javax.ws.rs-api-2.1.jar:2.1] at com.clevercloud.pulsar.util.GeoIPAPI.updateDatabase(GeoIPAPI.java:101) ~[?:?] at com.clevercloud.pulsar.util.GeoIPAPI.<init>(GeoIPAPI.java:45) ~[?:?] at com.clevercloud.pulsar.function.ApplicationsAddonsHaproxyAccessLogs.<init>(ApplicationsAddonsHaproxyAccessLogs.java:28) ~[?:?] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_192] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_192] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_192] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_192] at org.apache.pulsar.functions.utils.Reflections.createInstance(Reflections.java:118) ~[org.apache.pulsar-pulsar-functions-utils-2.4.1.jar:2.4.1] ... 3 more 13:10:51.047 [clevercloud/functions/accessLogsCleverCloudADCHaproxy-0] INFO org.apache.pulsar.functions.instance.JavaInstanceRunnable - Closing instance ````
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