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From Mike Smotritsky <MikeSmotrit...@ongov.net>
Subject RE: java.lang.NullPointerException on some commands (stats, conf)
Date Thu, 02 Jan 2020 14:22:51 GMT
Hey guys,



I’m very sorry, the whole thing was a bad assumption on my part (not getting imok on http
interface). I just have recreated an debugged  the SOLR code that monitors Zookeeper and see
that the problem is with SOLR…



Thanks again – you guys are one great team!



Thanks and Regards,

Mike





-----Original Message-----
From: Szalay-Bekő Máté [mailto:szalay.beko.mate@gmail.com]
Sent: Wednesday, January 01, 2020 2:13 PM
To: user@zookeeper.apache.org
Subject: Re: java.lang.NullPointerException on some commands (stats, conf)



I am not sure, based on the email... Mike, can you clarify?



I tested it on the master branch and ruok sent back the same small JSON for

me on both secure-only and unsecure deployment. Although I haven't tested

it on 3.5.



Kind regards,

Mate



On Wed, Jan 1, 2020 at 2:44 PM Enrico Olivelli <eolivelli@gmail.com> wrote:



> Mate,

>

> IIUC Mike is sayisaying that no json is returned at all

>

>

> Enrico

>

>

> Il mer 1 gen 2020, 11:22 Szalay-Bekő Máté <szalay.beko.mate@gmail.com> ha

> scritto:

>

> > Hi Mike,

> >

> > the ruok command is used to find out if the server is running or not. In

> > this case, no specific response is needed, the json you get is the

> expected

> > outcome both in secure and in unsecure mode. The idea is that you can

> poll

> > this url and as long as you get back a 200 OK HTTP status response, you

> can

> > see that the given ZooKeeper server process is up.

> >

> > (this interface was mapped from the the ruok telnet command which also

> only

> > responses with a hardcoded "imok" text all the time)

> >

> > Kind regards,

> > Mate

> >

> > On Mon, Dec 30, 2019 at 5:55 PM Mike Smotritsky <

> MikeSmotritsky@ongov.net>

> > wrote:

> >

> > > Hi Enrico, no - log is absolutely clean...other commands work well

> now...

> > >

> > > Thanks and Regards,

> > >

> > > Mike

> > >

> > > -----Original Message-----

> > > From: Enrico Olivelli [mailto:eolivelli@gmail.com]

> > > Sent: Monday, December 30, 2019 8:24 AM

> > > To: UserZooKeeper

> > > Subject: Re: java.lang.NullPointerException on some commands (stats,

> > conf)

> > >

> > > Hi Mike

> > > Do you see errors on server logs?

> > >

> > >

> > > Enrico

> > >

> > > Il lun 30 dic 2019, 14:10 Mike Smotritsky <MikeSmotritsky@ongov.net>

> ha

> > > scritto:

> > >

> > > > Hey guys, Happy Holidays and thanks again for the fix!

> > > >

> > > > I've noticed that ruok in only secure mode gives no answer back at

> > all...

> > > > That's what I get back:

> > > > {

> > > >   "command" : "ruok",

> > > >   "error" : null

> > > > }

> > > >

> > > > Thanks and Regards,

> > > >

> > > > Mike

> > > >

> > > >

> > > > -----Original Message-----

> > > > From: Mate Szalay-Beko [mailto:mszalay@cloudera.com.INVALID]

> > > > Sent: Friday, December 06, 2019 5:06 AM

> > > > To: user@zookeeper.apache.org

> > > > Subject: Re: java.lang.NullPointerException on some commands (stats,

> > > conf)

> > > >

> > > > yep, in general I think it makes sense to try / get used to build

> > > ZooKeeper

> > > > (or any other OpenSource product you use), one can never know when he

> > > > needs a security patch or bugfix. :)

> > > >

> > > > Anyway, as I already have my environment ready, I did a quick build

> and

> > > > shared it with Mike.

> > > >

> > > > Cheers,

> > > > Mate

> > > >

> > > > On Thu, Dec 5, 2019 at 4:35 PM Enrico Olivelli <eolivelli@gmail.com>

> > > > wrote:

> > > >

> > > > > Just run these commands:

> > > > >

> > > > > git clone https://github.com/apache/zookeeper

> > > > > git checkout branch-3.5

> > > > > mvn clean install -DskipTests

> > > > >

> > > > > you will find binaries for 3.5.7-SNAPSHOT inside

> > > > > "zookeeper-assembly/target"

> > > > >

> > > > > if you want to run unit tests run the command without

> '-DskipTests':

> > > > > mvn clean install

> > > > >

> > > > > you need "git", "Apache Maven" and a Java JDK 8.x (or greater),

> like

> > > the

> > > > > one from AdoptOpenJDK or which one you prefer

> > > > >

> > > > > Hope that helps

> > > > >

> > > > > Enrico

> > > > >

> > > > > Il giorno gio 5 dic 2019 alle ore 16:19 Mike Smotritsky <

> > > > > MikeSmotritsky@ongov.net> ha scritto:

> > > > >

> > > > > > Hey Enrico,

> > > > > > If Mate can help to cut it - it would be great, if not - I'll

> need

> > > more

> > > > > > detailed instructions on how to cut it please.

> > > > > >

> > > > > > Thanks and Regards,

> > > > > > Mike

> > > > > >

> > > > > > -----Original Message-----

> > > > > > From: Enrico Olivelli [mailto:eolivelli@gmail.com]

> > > > > > Sent: Thursday, December 05, 2019 10:08 AM

> > > > > > To: UserZooKeeper

> > > > > > Subject: Re: java.lang.NullPointerException on some commands

> > (stats,

> > > > > conf)

> > > > > >

> > > > > > Mike

> > > > > >

> > > > > > Il giorno gio 5 dic 2019 alle ore 15:55 Mike Smotritsky <

> > > > > > MikeSmotritsky@ongov.net> ha scritto:

> > > > > >

> > > > > > > Hey Mate, thank you very much for a very quick action on
this

> > > issue.

> > > > > > > If it's not very difficult can you please cut me a patched

> 3.5.6?

> > > > > > >

> > > > > >

> > > > > > I think the best procedure is that you build your own patched

> > version

> > > > by

> > > > > > yourself.

> > > > > > Just "mvn clean install -DskipTests" on branch-3.5

> > > > > >

> > > > > > Please be aware that the binaries you are going to use are not
an

> > > > > official

> > > > > > Apache release.

> > > > > > I think it is fine, many companies run their own patched version

> of

> > > > Open

> > > > > > Source software

> > > > > >

> > > > > > Just my 2 cents

> > > > > >

> > > > > > Enrico

> > > > > >

> > > > > >

> > > > > >

> > > > > >

> > > > > > > Again I very much appreciate your help!

> > > > > > >

> > > > > > > You guys have a very dedicated team on this project!

> > > > > > >

> > > > > > > Thanks and Regards,

> > > > > > > Mike

> > > > > > >

> > > > > > > -----Original Message-----

> > > > > > > From: Mate Szalay-Beko [mailto:mszalay@cloudera.com.INVALID]

> > > > > > > Sent: Thursday, December 05, 2019 3:48 AM

> > > > > > > To: user@zookeeper.apache.org

> > > > > > > Subject: Re: java.lang.NullPointerException on some commands

> > > (stats,

> > > > > > conf)

> > > > > > >

> > > > > > > Hi Mike,

> > > > > > >

> > > > > > > 3.5.6 was already released a couple of weeks ago. Norbert

> > > > cherry-picked

> > > > > > the

> > > > > > > NPE fix to branch 3.5, so the question is if we will have
a

> 3.5.7

> > > or

> > > > > not.

> > > > > > > BTW if it is a blocker for you, I can create you a personal
/

> > > > > unofficial

> > > > > > > patched version of 3.5.6 which contains this fix and then
you

> can

> > > use

> > > > > it

> > > > > > > until you would have 3.6 or 3.5.7 later.

> > > > > > >

> > > > > > > You can do this for yourself as well, by cloning the 3.5

> branch (

> > > > > > > https://github.com/apache/zookeeper/tree/branch-3.5) and

> > executing

> > > > > 'mvn

> > > > > > > clean install -DskipTests'. If you also need the C-client,
then

> > > 'mvn

> > > > > > clean

> > > > > > > install -DskipTests -Pfull-build'. It will not be an official

> > > > release,

> > > > > > but

> > > > > > > in this case it is actually safe to use it, as the branch
3.5

> now

> > > > only

> > > > > > > contains two small bugfixes on top of the stable 3.5.6.

> > > > > > >

> > > > > > > Cheers,

> > > > > > > Mate

> > > > > > >

> > > > > > > On Tue, Dec 3, 2019 at 5:09 PM Mike Smotritsky <

> > > > > MikeSmotritsky@ongov.net

> > > > > > >

> > > > > > > wrote:

> > > > > > >

> > > > > > > > Hi Enrico, I'd really love to have 3.5.6 released
with this

> fix

> > > in.

> > > > > > > > (Thanks to Mate for the very quick fix!)

> > > > > > > > Cause my my Solr cluster keeps complaining about the

> Zookeeper

> > > > state.

> > > > > > > >

> > > > > > > > Thanks and Regards,

> > > > > > > > Mike

> > > > > > > >

> > > > > > > >

> > > > > > > >

> > > > > > > > -----Original Message-----

> > > > > > > > From: Enrico Olivelli [mailto:eolivelli@gmail.com]

> > > > > > > > Sent: Tuesday, December 03, 2019 10:07 AM

> > > > > > > > To: UserZooKeeper

> > > > > > > > Subject: Re: java.lang.NullPointerException on some
commands

> > > > (stats,

> > > > > > > conf)

> > > > > > > >

> > > > > > > > Mike,

> > > > > > > > just to be clear:  'we can cut new releases from 3.5
branch'

> > > means

> > > > > that

> > > > > > > we

> > > > > > > > are able to do it.

> > > > > > > >

> > > > > > > > But there are no plans to do it right now.

> > > > > > > >

> > > > > > > > If you need a release please let us know, we have
just cut

> > 3.5.6,

> > > > > there

> > > > > > > > aren't so many changes cherry picked to branch-3.5

> > > > > > > >

> > > > > > > > Enrico

> > > > > > > >

> > > > > > > >

> > > > > > > > Il giorno lun 2 dic 2019 alle ore 18:45 Mike Smotritsky
<

> > > > > > > > MikeSmotritsky@ongov.net> ha scritto:

> > > > > > > >

> > > > > > > > > Hi Enrico,

> > > > > > > > >

> > > > > > > > > Thank you very much, that would be great!

> > > > > > > > >

> > > > > > > > > Thanks and Regards,

> > > > > > > > >

> > > > > > > > > Mike

> > > > > > > > >

> > > > > > > > > -----Original Message-----

> > > > > > > > > From: Enrico Olivelli [mailto:eolivelli@gmail.com]

> > > > > > > > > Sent: Monday, December 02, 2019 10:56 AM

> > > > > > > > > To: UserZooKeeper

> > > > > > > > > Subject: Re: java.lang.NullPointerException on
some

> commands

> > > > > (stats,

> > > > > > > > conf)

> > > > > > > > >

> > > > > > > > > Mike,

> > > > > > > > > we can cut new releases from 3.5 branch.

> > > > > > > > > It is current stable branch.

> > > > > > > > >

> > > > > > > > > We can cherry pick Mate's fix to branch-3.5

> > > > > > > > >

> > > > > > > > > Enrico

> > > > > > > > >

> > > > > > > > > Il giorno lun 2 dic 2019 alle ore 16:36 Mike
Smotritsky <

> > > > > > > > > MikeSmotritsky@ongov.net> ha scritto:

> > > > > > > > >

> > > > > > > > > > Hey Mate, on  the jira issue it says that
the fix will

> come

> > > in

> > > > > with

> > > > > > > > 3.6.0

> > > > > > > > > > The thing is that I'm using Zookeeper with
SOLR and I'm

> > > afraid

> > > > > that

> > > > > > > 3.6

> > > > > > > > > > will be incompatible with SOLR 8.x (I don't
know what new

> > > > > features

> > > > > > > will

> > > > > > > > > be

> > > > > > > > > > included in 3.6)

> > > > > > > > > >

> > > > > > > > > > You are not planning one more maintenance
release for

> 3.5?

> > > > > > > > > >

> > > > > > > > > > Thanks and Regards,

> > > > > > > > > > Mike

> > > > > > > > > >

> > > > > > > > > >

> > > > > > > > > > -----Original Message-----

> > > > > > > > > > From: Mate Szalay-Beko [mailto:

> > mszalay@cloudera.com.INVALID]

> > > > > > > > > > Sent: Thursday, November 28, 2019 11:12
AM

> > > > > > > > > > To: user@zookeeper.apache.org

> > > > > > > > > > Subject: Re: java.lang.NullPointerException
on some

> > commands

> > > > > > (stats,

> > > > > > > > > conf)

> > > > > > > > > >

> > > > > > > > > > FYI: https://jira.apache.org/jira/browse/ZOOKEEPER-3633

> > > > > > > > > >

> > > > > > > > > >

> > > > > > > > > > On Thu, Nov 28, 2019 at 4:53 PM Mate Szalay-Beko
<

> > > > > > > mszalay@cloudera.com

> > > > > > > > >

> > > > > > > > > > wrote:

> > > > > > > > > >

> > > > > > > > > > > Hi Mike,

> > > > > > > > > > >

> > > > > > > > > > > I was able to reproduce the issue.
I guess in your

> config

> > > you

> > > > > are

> > > > > > > > using

> > > > > > > > > > > client SSL. You defined 'secureClientPort',
but no

> > regular

> > > > > > > > > 'clientPort'.

> > > > > > > > > > > I think we missed to test the admin
API for this

> case...

> > I

> > > > will

> > > > > > > > create

> > > > > > > > > a

> > > > > > > > > > > Jira issue and try to fix it soon.

> > > > > > > > > > >

> > > > > > > > > > > Thanks for your time on testing ZooKeeper
and reporting

> > the

> > > > > > > problem!

> > > > > > > > :)

> > > > > > > > > > >

> > > > > > > > > > > Mate

> > > > > > > > > > >

> > > > > > > > > > > On Wed, Nov 27, 2019 at 8:56 PM Mike
Smotritsky <

> > > > > > > > > > MikeSmotritsky@ongov.net>

> > > > > > > > > > > wrote:

> > > > > > > > > > >

> > > > > > > > > > >> Hi, I've installed 3.5.5 and 3.5.6
3-server cluster.

> > > Secured

> > > > > and

> > > > > > > > using

> > > > > > > > > > >> SSLQuorum.

> > > > > > > > > > >> All works well except that I'm
getting

> > > NullPointerException

> > > > > when

> > > > > > > > > > invoking

> > > > > > > > > > >> certain commands through Web AdminServer
(stats,conf)

> > > > > > > > > > >> Others works well.

> > > > > > > > > > >> ****************************************

> > > > > > > > > > >> java.lang.NullPointerException

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

> org.apache.zookeeper.server.ZooKeeperServer.getConf(ZooKeeperServer.java:220)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

> org.apache.zookeeper.server.admin.Commands$ConfCommand.run(Commands.java:162)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > >

> > > > > >

> > > org.apache.zookeeper.server.admin.Commands.runCommand(Commands.java:95)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

> org.apache.zookeeper.server.admin.JettyAdminServer$CommandServlet.doGet(JettyAdminServer.java:175)

> > > > > > > > > > >>         at

> > > > > > > > >

> javax.servlet.http.HttpServlet.service(HttpServlet.java:687)

> > > > > > > > > > >>         at

> > > > > > > > >

> javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > >

> > > > >

> > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

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

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1700)

> > > > > > > > > > >>         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:1667)

> > > > > > > > > > >>         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.HandlerWrapper.handle(HandlerWrapper.java:132)

> > > > > > > > > > >>         at

> > > > > > org.eclipse.jetty.server.Server.handle(Server.java:505)

> > > > > > > > > > >>         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

> > > > > > > > > > >> .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

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

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

> > > > > > > > > > >>         at

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

> > > > > > > > > > >>         at

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> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:786)

> > > > > > > > > > >>         at

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> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:743)

> > > > > > > > > > >>         at

> > java.base/java.lang.Thread.run(Thread.java:834)

> > > > > > > > > > >> java.lang.NullPointerException

> > > > > > > > > > >>         at

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> >

> org.apache.zookeeper.server.admin.Commands$StatCommand.run(Commands.java:461)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > >

> > > > > >

> > > org.apache.zookeeper.server.admin.Commands.runCommand(Commands.java:95)

> > > > > > > > > > >>         at

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> org.apache.zookeeper.server.admin.JettyAdminServer$CommandServlet.doGet(JettyAdminServer.java:175)

> > > > > > > > > > >>         at

> > > > > > > > >

> javax.servlet.http.HttpServlet.service(HttpServlet.java:687)

> > > > > > > > > > >>         at

> > > > > > > > >

> javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > >

> > > > >

> > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)

> > > > > > > > > > >>         at

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> >

> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)

> > > > > > > > > > >>         at

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

> > > > > > > > > > >>         at

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> >

> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1700)

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

> > > > > > > > > > >>

> > > > > > > > > >

> > > > > > > >

> > > > > >

> > > >

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

> > > > > > > > > > >>         at

> > > > > > > > > > >>

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> >

> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1667)

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

> > > > > > > > > > >>

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> >

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

> > > > > > > > > > >>         at

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> >

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

> > > > > > > > > > >>         at

> > > > > > org.eclipse.jetty.server.Server.handle(Server.java:505)

> > > > > > > > > > >>         at

> > > > > > > > > > >>

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

> > > > > > > > > > >>         at

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> >

> 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

> > > > > > > > > > >> .ChannelEndPoint$2.run(ChannelEndPoint.java:117)

> > > > > > > > > > >>         at

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> >

> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:786)

> > > > > > > > > > >>         at

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> >

> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:743)

> > > > > > > > > > >>         at

> > java.base/java.lang.Thread.run(Thread.java:834)

> > > > > > > > > > >>

> > > > > > > > > > >>

> > > > > > > > > > >> Thanks and Regards,

> > > > > > > > > > >>

> > > > > > > > > > >> MIke

> > > > > > > > > > >>

> > > > > > > > > > >

> > > > > > > > > >

> > > > > > > > >

> > > > > > > >

> > > > > > >

> > > > > >

> > > > >

> > > >

> > >

> >

>
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