Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Stack Overflow by cheb1k4
, 1 year ago
io.undertow.servlet.ServletExtension: Provider mypackage.MyServletExtension not a subtype
via Stack Overflow by TheDentist
, 3 months ago
org.apache.logging.log4j.spi.Provider: Provider org.apache.logging.log4j.core.impl.Log4jProvider not a subtype
via Stack Overflow by Shiva
, 1 year ago
io.undertow.js.templates.TemplateProvider: Provider io.undertow.js.templates.freemarker.FreemarkerTemplateProvider could not be instantiated
java.util.ServiceConfigurationError: io.undertow.servlet.ServletExtension: Provider mypackage.MyServletExtension not a subtype	at java.util.ServiceLoader.fail(ServiceLoader.java:239)	at java.util.ServiceLoader.access$300(ServiceLoader.java:185)	at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:376)	at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)	at java.util.ServiceLoader$1.next(ServiceLoader.java:480)	at io.undertow.servlet.core.DeploymentManagerImpl.handleExtensions(DeploymentManagerImpl.java:243)	at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:150)	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100)	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)	at org.jboss.threads.JBossThread.run(JBossThread.java:320)