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Date: Wed, 18 Mar 2015 07:57:30 +0800
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Subject: Re: Null Pointer Exception on replication 2.0.0-M20 java{7,8}
From: Kiran Ayyagari <kayyagari@apache.org>
To: "users@directory.apache.org" <users@directory.apache.org>
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On Wed, Mar 18, 2015 at 2:09 AM, David Cheney <dcheney@nunahealth.com>
wrote:

> It seems to be a problem with my OU tree that I'm trying to replicate. I
> can successfully replicate a new tree with a different OU DN and all of my
> objects copied into it (users, groups), but when I modify that OU back to
> the origninal name replication fails in the same way.
>
looks like a broken index issue to me
can you delete all index files* and restart the server and see

* just retain master.db and master.log files and delete the rest under the
selected partition folder
  e.g for ou=system the directory will be
<installation-root>/default/partitions/system

>
> On Mon, Mar 16, 2015 at 11:03 AM, David Cheney <dcheney@nunahealth.com>
> wrote:
>
> > Hi,
> >
> > I've been trying to set up master/slave replication with the latest
> > release of Directory Server.
> > I'm using Directory Studio to configure replication by adding a consumer
> > on the slave using the admin credentials for the master.
> >
> > From the logs it appears that the slave is contacting the master and
> > attempting to replicate, but the master throws a null pointer exception
> > while attempting to produce a result set:
> >
> > [03:09:08] ERROR [org.apache.directory.server.PROVIDER_LOG] - Failed to
> >> handle the syncrepl request
> >> java.lang.NullPointerException
> >>         at
> >>
> org.apache.directory.server.ldap.replication.provider.SyncReplRequestHandler.sendSearchResultEntry(SyncReplRequestHandler.java:754)
> >>         at
> >>
> org.apache.directory.server.ldap.replication.provider.SyncReplRequestHandler.readResults(SyncReplRequestHandler.java:722)
> >>         at
> >>
> org.apache.directory.server.ldap.replication.provider.SyncReplRequestHandler.doSimpleSearch(SyncReplRequestHandler.java:671)
> >>         at
> >>
> org.apache.directory.server.ldap.replication.provider.SyncReplRequestHandler.doInitialRefresh(SyncReplRequestHandler.java:562)
> >>         at
> >>
> org.apache.directory.server.ldap.replication.provider.SyncReplRequestHandler.handleSyncRequest(SyncReplRequestHandler.java:311)
> >>         at
> >>
> org.apache.directory.server.ldap.handlers.request.SearchRequestHandler.handleReplication(SearchRequestHandler.java:240)
> >>         at
> >>
> org.apache.directory.server.ldap.handlers.request.SearchRequestHandler.handle(SearchRequestHandler.java:200)
> >>         at
> >>
> org.apache.directory.server.ldap.handlers.request.SearchRequestHandler.handle(SearchRequestHandler.java:93)
> >>         at
> >>
> org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:207)
> >>         at
> >>
> org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:56)
> >>         at
> >>
> org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived(DemuxingIoHandler.java:221)
> >>         at
> >>
> org.apache.directory.server.ldap.LdapProtocolHandler.messageReceived(LdapProtocolHandler.java:217)
> >>         at
> >>
> org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:854)
> >>         at
> >>
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:542)
> >>         at
> >>
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:48)
> >>         at
> >>
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:943)
> >>         at
> >>
> org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74)
> >>         at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
> >>         at
> >>
> org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.runTask(UnorderedThreadPoolExecutor.java:475)
> >>         at
> >>
> org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.run(UnorderedThreadPoolExecutor.java:429)
> >>         at java.lang.Thread.run(Thread.java:745)
> >
> >
> > I initially was running on java8, then downgraded to java7 when I saw
> that
> > there were a bunch of open issues regarding java8. I continue to get the
> > same error every time the slave tries to connect.
> >
> > Any help would be appreciated.
> >
> > Thanks,
> >
>


-- 
Kiran Ayyagari
http://keydap.com

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