User class must be in class path

ERROR org.apache.pulsar.functions.instance.JavaInstanceRunnable - [tenant-eo-os/eo_osuc/debezium-mysql-source_eo_osuc:0] Uncaught exception in Java Instance
java.lang.RuntimeException: User class must be in class path
at org.apache.pulsar.common.util.Reflections.createInstance(Reflections.java:113) ~[org.apache.pulsar-pulsar-common-2.10.1.jar:2.10.1]
at org.apache.pulsar.functions.instance.JavaInstanceRunnable.setupInput(JavaInstanceRunnable.java:740) ~[org.apache.pulsar-pulsar-functions-instance-2.10.1.jar:?]
at org.apache.pulsar.functions.instance.JavaInstanceRunnable.setup(JavaInstanceRunnable.java:227) ~[org.apache.pulsar-pulsar-functions-instance-2.10.1.jar:?]
at org.apache.pulsar.functions.instance.JavaInstanceRunnable.run(JavaInstanceRunnable.java:260) [org.apache.pulsar-pulsar-functions-instance-2.10.1.jar:?]
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_342]
Caused by: java.lang.ClassNotFoundException: org.apache.pulsar.io.debezium.mysql.DebeziumMysqlSource
at java.net.URLClassLoader.findClass(URLClassLoader.java:387) ~[?:1.8.0_342]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_342]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_342]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_342]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_342]
at org.apache.pulsar.common.util.Reflections.createInstance(Reflections.java:111) ~[org.apache.pulsar-pulsar-common-2.10.1.jar:2.10.1]
… 4 more
这个connector就不工作了,重新创建这个任务也没好,哪位大佬看下,这个应该怎么解决?
切换broker不能解决这个问题。
这里用了pulsar-io-debezium-mysql-2.10.1.nar,这有什么好办法解决?