sbourkeostk opened a new issue, #25839: URL: https://github.com/apache/pulsar/issues/25839
### Search before reporting - [x] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar. ### Read release policy - [x] I understand that [unsupported versions](https://pulsar.apache.org/contribute/release-policy/#supported-versions) don't get bug fixes. I will attempt to reproduce the issue on a supported version of Pulsar client and Pulsar broker. ### User environment Broker version: 3.0.16, 4.0.10 Broker Operating system and hardware type: Rocky 9, x86-64 Broker Java version: Temurin-17.0.18+8, Corretto-21.0.11.10.1 Client library type (Java/Python/Go/C++/C#/Node.js/etc): NA Client library version: NA Client Operating system and hardware type: NA Client Java version: NA ### Issue Description Updating Pulsar functions (`pulsar-admin functions update ... `) fails when the function was created with a jar that was provided as a http url. ### Error messages ```text Error from pulsar-admin command: # bin/pulsar-admin functions update --parallelism 1 --fqfn test/test/passthrough1 Cannot invoke "String.length()" because "this.input" is null Reason: Cannot invoke "String.length()" because "this.input" is null Error from Pulsar Functions Worker service logs: 2026-05-20T10:48:02,515+0000 [function-web-219-8] ERROR org.apache.pulsar.functions.worker.rest.api.FunctionsImpl - Invalid update Function request @ /test/test/passthrough1 java.lang.NullPointerException: Cannot invoke "String.length()" because "this.input" is null at java.base/java.net.URI$Parser.parse(URI.java:3167) at java.base/java.net.URI.<init>(URI.java:623) at java.base/java.net.URI.create(URI.java:904) at org.apache.pulsar.functions.worker.PackageUrlValidator.isValidPackageUrl(PackageUrlValidator.java:86) at org.apache.pulsar.functions.worker.rest.api.ComponentImpl.getPackageFile(ComponentImpl.java:1821) at org.apache.pulsar.functions.worker.rest.api.FunctionsImpl.updateFunction(FunctionsImpl.java:307) at org.apache.pulsar.functions.worker.rest.api.v3.FunctionsApiV3Resource.updateFunction(FunctionsApiV3Resource.java:92) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52) at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:146) at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:189) at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$VoidOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:159) at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:93) at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:478) at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:400) at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81) at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:256) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244) at org.glassfish.jersey.internal.Errors.process(Errors.java:292) at org.glassfish.jersey.internal.Errors.process(Errors.java:274) at org.glassfish.jersey.internal.Errors.process(Errors.java:244) at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265) at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235) at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:684) at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394) at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:359) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:312) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1656) at org.apache.pulsar.broker.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:65) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626) at org.eclipse.jetty.servlets.QoSFilter.doFilter(QoSFilter.java:202) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:552) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146) at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:181) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) at org.eclipse.jetty.server.Server.handle(Server.java:516) at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487) at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:555) at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:410) at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:164) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:840) ``` ### Reproducing the issue Create a function with --jar http://my-server/my-function.jar Attempt to update the function ### Additional information _No response_ ### Are you willing to submit a PR? - [x] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. 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