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From Szalay-Bekő Máté <szalay.beko.m...@gmail.com>
Subject Re: java.lang.NullPointerException on some commands (stats, conf)
Date Mon, 09 Dec 2019 08:19:27 GMT
I sent you on Friday a link in private to MikeSmotritsky@ongov.net
Let me know if an other address should I use.

Mate

On Sun, Dec 8, 2019 at 12:23 PM Mike Smotritsky <MikeSmotritsky@ongov.net>
wrote:

> Hey Mate - thank you very much!
> How do I download the fixed build?
>
> Thanks again,
>
> 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$2.run(ChannelEndPoint.java:117)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:786)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:743)
> > > > > > > >>         at java.base/java.lang.Thread.run(Thread.java:834)
> > > > > > > >> java.lang.NullPointerException
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> org.apache.zookeeper.server.admin.Commands$StatCommand.run(Commands.java:461)
> > > > > > > >>         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.QueuedThreadPool.runJob(QueuedThreadPool.java:786)
> > > > > > > >>         at
> > > > > > > >>
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> 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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