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From Mate Szalay-Beko <msza...@cloudera.com.INVALID>
Subject Re: java.lang.NullPointerException on some commands (stats, conf)
Date Thu, 05 Dec 2019 08:47:43 GMT
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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