Anthony Carlucci created RAVE-722:
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Summary: Shindig webapp component can't be re-deployed without a
container restart
Key: RAVE-722
URL: https://issues.apache.org/jira/browse/RAVE-722
Project: Rave
Issue Type: Bug
Affects Versions: 0.14
Reporter: Anthony Carlucci
Since the upgrade to Shindig 2.5.0-beta2, Rave's ROOT.war web archive can't be
re-deployed to Tomcat without restarting the entire Tomcat process. It seems
like it has to do with Shindig registering an EhCache class as an MBean, which
apparently stays in the JVM between web context restarts, and Shindig doesn't
seem to be removing it or handling that case properly.
This will affect any deployments of Rave in environments, for example, where
you plan to use Tomcat's auto-deploy feature to only redeploy a web application
without restarting the entire container (such as a CI environment).
HOW TO REPRODUCE
----------------------------------
1) Build and deploy Rave using the standard mvn install / mvn cargo:run commands
2) Force Tomcat to reload the web application by making a change the the
ROOT.war file located in $RAVE_HOME/rave-portal/target/tomcat6x/webapps. Any
easy way to do this is simply add a text file into the war.
3) Watch the Tomcat logs as the ROOT webapp reloads - you will eventually see
the following error stack:
[WARNING] [talledLocalContainer] SEVERE: Exception starting filter authFilter
[WARNING] [talledLocalContainer] com.google.inject.ProvisionException: Guice
provision errors:
[WARNING] [talledLocalContainer]
[WARNING] [talledLocalContainer] 1) Error injecting constructor,
net.sf.ehcache.CacheException: javax.management.InstanceAlreadyExistsException:
net.sf.ehcache:type=CacheManager,name=ShindigCM
[WARNING] [talledLocalContainer] at
org.apache.shindig.common.cache.ehcache.EhCacheCacheProvider.<init>(EhCacheCacheProvider.java:75)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.common.cache.ehcache.EhCacheCacheProvider
[WARNING] [talledLocalContainer] at
org.apache.shindig.common.cache.ehcache.EhCacheModule.configure(EhCacheModule.java:32)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.common.cache.CacheProvider
[WARNING] [talledLocalContainer] for parameter 1 at
org.apache.shindig.expressions.Expressions.<init>(Expressions.java:79)
[WARNING] [talledLocalContainer] at
org.apache.shindig.expressions.Expressions.class(Expressions.java:51)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.expressions.Expressions
[WARNING] [talledLocalContainer] for parameter 4 at
org.apache.shindig.config.JsonContainerConfig.<init>(JsonContainerConfig.java:63)
[WARNING] [talledLocalContainer] at
org.apache.shindig.config.JsonContainerConfig.class(JsonContainerConfig.java:50)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.config.JsonContainerConfig
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.config.ContainerConfig
[WARNING] [talledLocalContainer] for parameter 0 at
org.apache.shindig.auth.DefaultSecurityTokenCodec.<init>(DefaultSecurityTokenCodec.java:53)
[WARNING] [talledLocalContainer] at
org.apache.shindig.auth.DefaultSecurityTokenCodec.class(DefaultSecurityTokenCodec.java:53)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.auth.DefaultSecurityTokenCodec
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.auth.SecurityTokenCodec
[WARNING] [talledLocalContainer] for parameter 0 at
org.apache.shindig.auth.UrlParameterAuthenticationHandler.<init>(UrlParameterAuthenticationHandler.java:47)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.auth.UrlParameterAuthenticationHandler
[WARNING] [talledLocalContainer] for parameter 1 at
org.apache.shindig.social.core.oauth.AuthenticationHandlerProvider.<init>(AuthenticationHandlerProvider.java:40)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.social.core.oauth.AuthenticationHandlerProvider
[WARNING] [talledLocalContainer] while locating
java.util.List<org.apache.shindig.auth.AuthenticationHandler>
[WARNING] [talledLocalContainer] for parameter 0 at
org.apache.shindig.auth.AuthenticationServletFilter.setAuthenticationHandlers(AuthenticationServletFilter.java:74)
[WARNING] [talledLocalContainer] while locating
org.apache.shindig.auth.AuthenticationServletFilter
[WARNING] [talledLocalContainer]
[WARNING] [talledLocalContainer] 1 error
[WARNING] [talledLocalContainer] at
com.google.inject.internal.Errors.throwProvisionExceptionIfErrorsExist(Errors.java:451)
[WARNING] [talledLocalContainer] at
com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:65)
[WARNING] [talledLocalContainer] at
com.google.inject.internal.InjectorImpl.injectMembers(InjectorImpl.java:944)
[WARNING] [talledLocalContainer] at
org.apache.shindig.common.servlet.InjectedFilter.init(InjectedFilter.java:47)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
[WARNING] [talledLocalContainer] at
org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)
[WARNING] [talledLocalContainer] at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778)
[WARNING] [talledLocalContainer] at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504)
[WARNING] [talledLocalContainer] at
org.apache.catalina.startup.HostConfig.check(HostConfig.java:1385)
[WARNING] [talledLocalContainer] at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:306)
[WARNING] [talledLocalContainer] at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1389)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1653)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1662)
[WARNING] [talledLocalContainer] at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1642)
[WARNING] [talledLocalContainer] at java.lang.Thread.run(Thread.java:662)
[WARNING] [talledLocalContainer] Caused by: net.sf.ehcache.CacheException:
javax.management.InstanceAlreadyExistsException:
net.sf.ehcache:type=CacheManager,name=ShindigCM
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