[jira] [Created] (FELIX-5654) The web console plugin init(config) method is invoked for every request to the console

["Olaf Otto (JIRA)" <ji...@apache.org>]

Olaf Otto created FELIX-5654:
--------------------------------

             Summary: The web console plugin init(config) method is invoked for every request to the console
                 Key: FELIX-5654
                 URL: https://issues.apache.org/jira/browse/FELIX-5654
             Project: Felix
          Issue Type: Bug
          Components: Web Console
    Affects Versions: webconsole-4.3.4
            Reporter: Olaf Otto


I have published a web console plugin (extending AbstractWebConsolePlugin). Before Sling 9, the init(config) method (from the Servlet API) used to be called, as it should, exactly once when the servlet was made available.

Since sling 9, the init method on this *singleton* gets invoked every time the web console (not just this plugin) is requested.

Here is a stack trace of the init invocation:


{code}
...init(...)  
at org.apache.felix.webconsole.internal.servlet.PluginHolder$Plugin.init(PluginHolder.java:497)
at org.apache.felix.webconsole.internal.servlet.PluginHolder$Plugin.getConsolePlugin(PluginHolder.java:600)
at org.apache.felix.webconsole.internal.servlet.PluginHolder$Plugin.doGetCategory(PluginHolder.java:586)
at org.apache.felix.webconsole.internal.servlet.PluginHolder$ServletPlugin.doGetCategory(PluginHolder.java:714)
at org.apache.felix.webconsole.internal.servlet.PluginHolder$Plugin.getCategory(PluginHolder.java:581)
at org.apache.felix.webconsole.internal.servlet.PluginHolder.getLocalizedLabelMap(PluginHolder.java:255)
at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:539)
at org.apache.felix.webconsole.internal.servlet.OsgiManager$3.run(OsgiManager.java:465)
at java.security.AccessController.doPrivileged(AccessController.java:-1)
at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:461)
at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:85)
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:79)
at org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:89)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:138)
at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:128)
at org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
at org.eclipse.jetty.server.Server.handle(Server.java:534)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:745)
{code}




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