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    Expert tip

    You need to add httpcore to your dependencies. Try adding version 4.3 or further.

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    A required library class, Doclet, is not loaded. It's usually found in tools.jar in the JDK so make sure to add it (tools.jar) to your project's build path.

Solutions on the web

via Stack Overflow by Raistlin
, 1 year ago
Failed to execute goal org.jboss.ws.plugins:jaxws-tools-maven-plugin:1.2.0.Final:wsconsume (generate-imw-client) on project rsl-ans-aus-ejb: Error while running wsconsume
via GitHub by delenius
, 1 year ago
Failed to execute goal io.github.divinespear:jpa-schema-maven-plugin:0.1.12:generate (default-cli) on project sunflower-server: Error while running
via GitHub by mattrpav
, 1 year ago
Failed to execute goal org.jvnet.jaxb2.maven2:maven-jaxb2-plugin:0.13.1:generate (generate) on project aaa.bbb.ccc: Execution generate of goal org.jvnet.jaxb2.maven2:maven-jaxb2-plugin:0.13.1:generate failed.
via GitHub by mattrpav
, 1 year ago
Failed to execute goal org.jvnet.jaxb2.maven2:maven-jaxb2-plugin:0.13.1:generate (generate) on project aaa.bbb.ccc: Execution generate of goal org.jvnet.jaxb2.maven2:maven-jaxb2-plugin:0.13.1:generate failed.
via GitHub by gurumeditator
, 1 year ago
Failed to execute goal io.atomicbits:scraml-maven-plugin:0.5.2:scraml (generate-client-sources) on project MMISprint19: Execution generate-client-sources of goal io.atomicbits:scraml-maven-plugin:0.5.2:scraml failed: EnumType(ImplicitId,List(GREATER_THAN, GREATER_THAN_EQUAL),None,RamlModel) (of class io.atomicbits.scraml.ramlparser.model.types.EnumType)
via GitHub by nilsbrychzy
, 10 months ago
Failed to execute goal org.jooq:jooq-codegen-maven:3.9.1:generate (d efault) on project SomeProject: Error running jOOQ code generation tool
java.lang.ClassNotFoundException: org.jboss.ws.api.tools.WSContractConsumer	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at org.jboss.ws.plugins.tools.WSContractDelegate.runConsumerInProcess(WSContractDelegate.java:103)	at org.jboss.ws.plugins.tools.WSContractDelegate.runConsumer(WSContractDelegate.java:96)	at org.jboss.ws.plugins.tools.AbstractWsConsumeMojo.execute(AbstractWsConsumeMojo.java:161)	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)