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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRSERVER-2047) Some data can be lost when using ldapadd command to insert data into apacheds
Date Mon, 16 Feb 2015 09:19:11 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-2047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322558#comment-14322558
] 

Emmanuel Lecharny commented on DIRSERVER-2047:
----------------------------------------------

Ok, there is definitively a bug with multi-values. When I inject 2 values per key, and start
browsing the btree, at some point, the cursor does not return the right tuple :

{code}
<0,0>
<0,1>
<1,1>
<1,2>
<2,2>
<2,3>
<3,3>
<3,4>
<4,4>
<4,5>
<5,5>
<5,6>
<6,6>
<6,7>
<7,7>
<7,8>
<8,8>
<8,9>
<9,10>  <<------ Wrong !!!
{code}

The test is simple, I inject 500 keys, each key has 2 values, which are (Key, Key+1). The
last tuple should have been <9,9>, not <9,10>.

> Some data can be lost when using ldapadd command to insert data into apacheds
> -----------------------------------------------------------------------------
>
>                 Key: DIRSERVER-2047
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-2047
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: ldap
>    Affects Versions: 2.0.0-M19
>         Environment: centOS 6.5 with openldap and apacheds installed
>            Reporter: linzhao
>            Priority: Blocker
>              Labels: LDAP
>             Fix For: 2.0.0-M20
>
>         Attachments: data.ldif, ordered-data.ldif, site.ldif, site_new.ldif, site_topology_schema.ldif,
supercluster_partition.ldif, test.jpg
>
>
> In our system, we need to do data backup and restore for apacheds. For now, we use the
ldapsearch and ldapadd command to do BR function. We use ldapsearch to backup apacheds data
to be a ldif file and use ldapadd to restore the data. But when the ldif is a little big,
I always found that the data can't be restored successfully, but the ladpadd command showed
that the data can be added successfully. No exceptions for ldapadd command. But the restored
data didn't exist in the node. This bug only happened when the ldif file is a little big.
I mean if the data entry greater than 500 entries. But the node for backup and restore is
using mavibot partition. Because I found so many problems for jdbm. So I change it to mavibot
partition. Another question is that do you know is there some good way to do the data backup
and restore for apacheds?
> May be my mavibot partition has some problems, so someone can tell me how to create a
mavibot partition in APACHEDS? Because the mavibot parttion I created can't be viewed when
click the "Open Configuration" in apacheds studio. Also I used unboundid JDK to insert many
entries apacheds and the same problem happened. So someone can tell me how to config the mavibot
partition on APACHEDS? That's may be very helpful.
> Below is the exceptions from apacheds when problems happened:
> [16:21:41] INFO [org.apache.directory.server.ldap.LdapServer] - Ldap service stopped.
> [16:21:41] WARN [org.apache.directory.server.core.shared.partition.DefaultPartitionNexus]
- Failed to flush partition data out.
> org.apache.directory.api.ldap.model.exception.LdapOperationErrorException
> at org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.saveContextCsn(AbstractBTreePartition.java:3364)
> at org.apache.directory.server.core.shared.partition.DefaultPartitionNexus.sync(DefaultPartitionNexus.java:319)
> at org.apache.directory.server.core.DefaultDirectoryService.shutdown(DefaultDirectoryService.java:1283)
> at org.apache.directory.server.ApacheDsService.stop(ApacheDsService.java:600)
> at org.apache.directory.server.wrapper.ApacheDsTanukiWrapper.stop(ApacheDsTanukiWrapper.java:97)
> at org.tanukisoftware.wrapper.WrapperManager$13.run(WrapperManager.java:3134)
> Caused by: java.lang.NullPointerException
> at org.apache.directory.server.core.partition.impl.btree.AbstractBTreePartition.saveContextCsn(AbstractBTreePartition.java:3350)
> ... 5 more
> [16:21:41] ERROR [org.apache.directory.server.wrapper.ApacheDsTanukiWrapper] - Failed
to stop the service.
> org.apache.directory.api.util.exception.MultiException: ERR_265 Grouping many exceptions
on root nexus sync()
> at org.apache.directory.server.core.shared.partition.DefaultPartitionNexus.sync(DefaultPartitionNexus.java:328)
> at org.apache.directory.server.core.DefaultDirectoryService.shutdown(DefaultDirectoryService.java:1283)
> at org.apache.directory.server.ApacheDsService.stop(ApacheDsService.java:600)
> at org.apache.directory.server.wrapper.ApacheDsTanukiWrapper.stop(ApacheDsTanukiWrapper.java:97)
> at org.tanukisoftware.wrapper.WrapperManager$13.run(WrapperManager.java:3134)
> Nested exceptions to follow:
> INFO | jvm 1 | 2015/02/02 17:11:06 | [17:11:06] WARN [org.apache.directory.server.ldap.LdapProtocolHandler]
- Unexpected exception forcing session to close: sending disconnect notice to client.
> INFO | jvm 1 | 2015/02/02 17:11:06 | java.io.IOException: Connection reset by peer
> INFO | jvm 1 | 2015/02/02 17:11:06 | at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at sun.nio.ch.IOUtil.read(IOUtil.java:197)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:311)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.transport.socket.nio.NioProcessor.read(NioProcessor.java:45)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:694)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:668)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:657)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:67)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1121)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> INFO | jvm 1 | 2015/02/02 17:11:06 | at java.lang.Thread.run(Thread.java:745)



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