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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