Failed to initialize Spring Context

[SeidChr]

On load of the plugin
TeamCity Professional 10.0.1 (build 42078)

Branch: evgeny-goldin/teamcity-webhooks (as referred to from the https://confluence.jetbrains.com/display/TW/TeamCity+Plugins site - WebHooks 2)

Failed to initialize Spring Context 
org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 7 in XML document from Byte array resource [plugin: webhooks#webhooks-0.0.5.jar!/META-INF/build-server-plugin-webhooks.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 7; columnNumber: 59; Attribute "singleton" must be declared for element type "bean". 
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:399) 
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) 
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) 
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) 
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) 
at jetbrains.buildServer.plugins.spring.SpringPluginLoader$TeamCityPluginContext.doLoadBeanDefinitions(SpringPluginLoader.java:238) 
at jetbrains.buildServer.plugins.spring.SpringPluginLoader$TeamCityPluginContext.loadBeanDefinitions(SpringPluginLoader.java:232) 
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:93) 
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) 
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:609) 
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:510) 
at jetbrains.buildServer.plugins.spring.SpringPluginLoader.pluginClassesLoaded(SpringPluginLoader.java:95) 
at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:497) 
at jetbrains.buildServer.util.EventDispatcher.dispatch(EventDispatcher.java:121) 
at jetbrains.buildServer.util.EventDispatcher$2.invoke(EventDispatcher.java:68) 
at com.sun.proxy.$Proxy16.pluginClassesLoaded(Unknown Source) 
at jetbrains.buildServer.plugins.PluginManagerImpl$2.visitPlugin(PluginManagerImpl.java:140) 
at jetbrains.buildServer.plugins.PluginsCollection.foreachLoadedPlugins(PluginsCollection.java:222) 
at jetbrains.buildServer.plugins.PluginManagerImpl.firePluginClassesLoaded(PluginManagerImpl.java:138) 
at jetbrains.buildServer.plugins.PluginManagerImpl.loadPlugins(PluginManagerImpl.java:84) 
at jetbrains.buildServer.web.plugins.PluginManagerConfigurator.initializePlugins(PluginManagerConfigurator.java:12) 
at jetbrains.buildServer.web.impl.BuildServerConfigurator.loadConfiguration(BuildServerConfigurator.java:66) 
at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:890) 
at jetbrains.buildServer.serverSide.impl.BuildServerLifecycleProcessor.doStartup(BuildServerLifecycleProcessor.java:13) 
at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet$WebApplicationCreatorAndDestroyer.createApplication(TeamCityDispatcherServlet.java:25) 
at jetbrains.buildServer.maintenance.StartupProcessor.doApplicationStarting(StartupProcessor.java:809) 
at jetbrains.buildServer.maintenance.StartupProcessor.processConcreteStage(StartupProcessor.java:74) 
at jetbrains.buildServer.maintenance.StartupProcessor.processConcreteStageSafe(StartupProcessor.java:235) 
at jetbrains.buildServer.maintenance.StartupProcessor.processTeamCityLifecycle(StartupProcessor.java:212) 
at jetbrains.buildServer.maintenance.StartupProcessor.access$000(StartupProcessor.java:390) 
at jetbrains.buildServer.maintenance.StartupProcessor$1.run(StartupProcessor.java:1) 
at java.lang.Thread.run(Thread.java:745) 
Caused by: org.xml.sax.SAXParseException; lineNumber: 7; columnNumber: 59; Attribute "singleton" must be declared for element type "bean". 
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source) 
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source) 
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) 
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) 
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) 
at org.apache.xerces.impl.dtd.XMLDTDValidator.addDTDDefaultAttrsAndValidate(Unknown Source) 
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(Unknown Source) 
at org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(Unknown Source) 
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source) 
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) 
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) 
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) 
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) 
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) 
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source) 
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source) 
at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:76) 
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadDocument(XmlBeanDefinitionReader.java:429) 
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) 
... 33 more

[malimo]

What is the fix for this bug? I copied the zip file in WEB-INF/plugins and it shows me this error on the UI

[JeffroeBodine]

I'm getting the same error when initializing the plugin using TeamCity 10.0.3. Any ideas?

[ghost]

Same here. Did someone find an answer yet?

[luisg0nc]

Same here on 2017.1.3

[dan-greene-vgh]

I'm having the same issue here.

[ghost]

Upgraded TC to 2017.2. Error still pops up. Please help!