After packaging locally with the latest code, an error like this appears when running refine.bat

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1

Http://127.0.0.1:3333
version:3.8
error result:

HTTP ERROR 404

Problem accessing /. Reason:

Not Found

Caused by:

javax.servlet.UnavailableException: Could not instantiate class com.google.refine.RefineServlet at org.eclipse.jetty.servlet.ServletHolder.ensureInstance(ServletHolder.java:769) at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:752) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) at com.google.refine.ValidateHostHandler.handle(ValidateHostHandler.java:91) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) at org.eclipse.jetty.server.Server.handle(Server.java:499) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:258) at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833)

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2

Which command(s) did you run to package locally?
Sometimes it helps running mvn clean before compiling, in case you have reached a partially compiled state before.