Re: [jetty-users] Issue with Jetty 9.4

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Re: [jetty-users] Issue with Jetty 9.4

From: Sujay Pujari <sujay_pujari@xxxxxxxxxxxxxx>
Date: Thu, 16 Jan 2020 11:52:10 +0000
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Thread-topic: [jetty-users] Issue with Jetty 9.4

Hi Gregory,

Thanks for your extended help, we were able to resolve JSP issue ( login page not loadable).

with following code changes.

Before starting the server, added this line of code.

org.eclipse.jetty.webapp.Configuration.ClassList classlist = org.eclipse.jetty.webapp.Configuration.ClassList.setServerDefault(this.adminServer);

classlist.addAfter("org.eclipse.jetty.webapp.FragmentConfiguration", "org.eclipse.jetty.plus.webapp.EnvConfiguration", "org.eclipse.jetty.plus.webapp.PlusConfiguration");

classlist.addBefore("org.eclipse.jetty.webapp.JettyWebXmlConfiguration", "org.eclipse.jetty.annotations.AnnotationConfiguration");

currently we get distorted ( not properly rendered ) Login JSP page, we are trying to resolve that issue,

Note: we have already upgraded from Java 6 to 8before starting working on this.

Regards,

Sujay

From: jetty-users-bounces@xxxxxxxxxxx <jetty-users-bounces@xxxxxxxxxxx> On Behalf Of Young, Gregory
Sent: Wednesday, January 15, 2020 1:13 AM
To: JETTY user mailing list <jetty-users@xxxxxxxxxxx>
Subject: Re: [jetty-users] Issue with Jetty 9.4

Your app has a dependency on the old tomcat Instancemanager. You will want to upgrade your webapp to address the breaking changes between Jetty 6 and Jetty 9.4 (and there are a lot). I’m assuming you are also going from Java 6 or 7 to Java 8 or higher in the process?

Gregory Young

From: jetty-users-bounces@xxxxxxxxxxx <jetty-users-bounces@xxxxxxxxxxx> On Behalf Of Sujay Pujari
Sent: Tuesday, January 14, 2020 5:14 AM
To: jetty-users@xxxxxxxxxxx
Subject: [jetty-users] Issue with Jetty 9.4

Hello Jetty users,

We are facing issue while upgrading jetty v6 to jetty v9.4.15. We have used dependency jars shipped with Jetty distribution v9.4.15:

Though server get started successfully, when try to access Login page ( a JSP page ) it does not get displayed on the screen.

Rather we get “error 503” with java.lang.IllegalStateException.

For all filter's mentioned in web.xml, Init() method gets called but doFilter() does not get called.

Also find attached file “classpath_Error_reproduced.xml" which has all the jetty files which we have used in our workspace.

Can anyone help us out to resolve current issue we are facing ?

Here is the call stack & error we get on browser :

HTTP ERROR 503

Problem accessing /ediscovery/login.jsp. Reason:

Service Unavailable

Caused by:

javax.servlet.ServletException: org.eclipse.jetty.servlet.ServletHolder$1: java.lang.IllegalStateException: No org.apache.tomcat.InstanceManager set in ServletContext

at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)

at org.eclipse.jetty.server.handler.DebugHandler.handle(DebugHandler.java:83)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)

at org.eclipse.jetty.server.Server.handle(Server.java:502)

at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)

at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)

at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)

at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)

at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:427)

at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:321)

at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159)

at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)

at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)

at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)

at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)

at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)

at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)

at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)

at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)

at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)

at java.lang.Thread.run(Thread.java:812)

Caused by: org.eclipse.jetty.servlet.ServletHolder$1: java.lang.IllegalStateException: No org.apache.tomcat.InstanceManager set in ServletContext

at org.eclipse.jetty.servlet.ServletHolder.makeUnavailable(ServletHolder.java:630)

at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:689)

at org.eclipse.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:520)

at org.eclipse.jetty.servlet.ServletHolder.prepare(ServletHolder.java:811)

at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:537)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)

at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)

at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)

at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1701)

at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)

at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)

at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)

at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)

at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1668)

at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)

at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)

at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)

at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)

... 20 more

Caused by: java.lang.IllegalStateException: No org.apache.tomcat.InstanceManager set in ServletContext

at org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(InstanceManagerFactory.java:32)

at org.apache.jasper.runtime.TagHandlerPool.init(TagHandlerPool.java:78)

at org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(TagHandlerPool.java:58)

at com.ibm.es.nuvo.ediscovery.ui.jsp.login_jsp._jspInit(login_jsp.java:129)

at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:49)

at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:671)

... 38 more

Caused by:

org.eclipse.jetty.servlet.ServletHolder$1: java.lang.IllegalStateException: No org.apache.tomcat.InstanceManager set in ServletContext