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From Mike Smotritsky <MikeSmotrit...@ongov.net>
Subject RE: java.lang.NullPointerException on some commands (stats, conf)
Date Sun, 08 Dec 2019 11:12:09 GMT
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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