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From Néher Márton (JIRA) <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-1556) Error message: ERR_00004 The PDU buffer size is too small !
Date Sun, 27 Feb 2011 15:02:39 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-1556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999970#comment-12999970
] 

Néher Márton commented on DIRSERVER-1556:
-----------------------------------------

Same error here as well, with userCertificate (multi valued binary field), ApacheDS 1.5.7
and Ubuntu Linux.
This happens both storing or deleting certificate.

> Error message: ERR_00004 The PDU buffer size is too small !
> -----------------------------------------------------------
>
>                 Key: DIRSERVER-1556
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1556
>             Project: Directory ApacheDS
>          Issue Type: Bug
>    Affects Versions: 1.5.7
>         Environment: Windows Server 2003 SP2 / Sun JRE 6 update 21
>            Reporter: Ewald Wasscher
>            Priority: Critical
>             Fix For: 2.0-M1
>
>
> We're currently testing Apache Directory Server (ADS) in a custom environment for a customer
of ours. In this environment ADS is used to store certificates and certificate revocation
lists. At first everything seemed to be working fine, but we encounter an error that seems
to randomly occur every now. When adding an object, viewing an object in Directory Studio
or adding attributes (the certificate) to an existing object this fails with the following
message in apacheds-rolling.log: ERR_00004 The PDU buffer size is too small !. After encountering
this error I twice raised the max PDU buffer size in server.xml to:
>  
> maxPDUSize="40000000"
>  
> And restarted the server. Unfortunately the error still occurs every now and then. The
issue occurs seemingly randomly, independent of the accessed object or the LDAP client that
is used. If ADS is restarted and Directory Studio reconnects the same object can be viewed
normally.
> I'd appreciate if someone could explain why this occurs and, if possible, how this can
be fixed. A log fragment is below. The company name as it occurs in the log file has been
modified.
> Log fragment:
> [16:58:09] ERROR [org.apache.directory.shared.ldap.codec.LdapEncoder] - ERR_04065 Ldap
encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> [16:58:09] WARN [org.apache.directory.server.ldap.LdapProtocolHandler] - Unexpected exception
forcing session to close: sending disconnect notice to client.
> org.apache.mina.filter.codec.ProtocolEncoderException: org.apache.directory.shared.ldap.message.spi.ProviderException:
ERR_04065 Ldap encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:313)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:805)
> 	at org.apache.mina.filter.executor.ExecutorFilter.filterWrite(ExecutorFilter.java:706)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:805)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:731)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:498)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:428)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:369)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.readResults(SearchHandler.java:334)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.doSimpleSearch(SearchHandler.java:749)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleIgnoringReferrals(SearchHandler.java:978)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleWithReferrals(SearchHandler.java:1054)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleWithReferrals(SearchHandler.java:78)
> 	at org.apache.directory.server.ldap.handlers.ReferralAwareRequestHandler.handle(ReferralAwareRequestHandler.java:94)
> 	at org.apache.directory.server.ldap.handlers.ReferralAwareRequestHandler.handle(ReferralAwareRequestHandler.java:57)
> 	at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:208)
> 	at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:58)
> 	at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived(DemuxingIoHandler.java:232)
> 	at org.apache.directory.server.ldap.LdapProtocolHandler.messageReceived(LdapProtocolHandler.java:193)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
> 	at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:71)
> 	at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
> 	at org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.runTask(UnorderedThreadPoolExecutor.java:480)
> 	at org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.run(UnorderedThreadPoolExecutor.java:434)
> 	at java.lang.Thread.run(Unknown Source)
> Caused by: org.apache.directory.shared.ldap.message.spi.ProviderException: ERR_04065
Ldap encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> 	at org.apache.directory.shared.ldap.codec.LdapEncoder.encodeBlocking(LdapEncoder.java:139)
> 	at org.apache.directory.shared.ldap.codec.LdapEncoder.encode(LdapEncoder.java:200)
> 	at org.apache.directory.shared.ldap.message.MessageEncoder.encode(MessageEncoder.java:125)
> 	at org.apache.directory.shared.asn1.codec.Asn1CodecEncoder.encode(Asn1CodecEncoder.java:58)
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:298)
> 	... 32 more
> [16:58:09] WARN [org.apache.directory.shared.asn1.ber.Asn1Decoder] - The PDU has been
fully decoded but there are still bytes in the buffer.
> [16:58:09] WARN [org.apache.directory.server.ldap.LdapProtocolHandler] - Null LdapSession
given to cleanUpSession.
> [16:58:09] ERROR [org.apache.directory.shared.ldap.codec.LdapEncoder] - ERR_04065 Ldap
encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> [16:58:09] WARN [org.apache.directory.server.ldap.LdapProtocolHandler] - Unexpected exception
forcing session to close: sending disconnect notice to client.
> org.apache.mina.filter.codec.ProtocolEncoderException: org.apache.directory.shared.ldap.message.spi.ProviderException:
ERR_04065 Ldap encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:313)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:805)
> 	at org.apache.mina.filter.executor.ExecutorFilter.filterWrite(ExecutorFilter.java:706)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:805)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:731)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:498)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:428)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:369)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.readResults(SearchHandler.java:334)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.doSimpleSearch(SearchHandler.java:749)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleIgnoringReferrals(SearchHandler.java:978)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleWithReferrals(SearchHandler.java:1054)
> 	at org.apache.directory.server.ldap.handlers.SearchHandler.handleWithReferrals(SearchHandler.java:78)
> 	at org.apache.directory.server.ldap.handlers.ReferralAwareRequestHandler.handle(ReferralAwareRequestHandler.java:94)
> 	at org.apache.directory.server.ldap.handlers.ReferralAwareRequestHandler.handle(ReferralAwareRequestHandler.java:57)
> 	at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:208)
> 	at org.apache.directory.server.ldap.handlers.LdapRequestHandler.handleMessage(LdapRequestHandler.java:58)
> 	at org.apache.mina.handler.demux.DemuxingIoHandler.messageReceived(DemuxingIoHandler.java:232)
> 	at org.apache.directory.server.ldap.LdapProtocolHandler.messageReceived(LdapProtocolHandler.java:193)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
> 	at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:71)
> 	at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
> 	at org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.runTask(UnorderedThreadPoolExecutor.java:480)
> 	at org.apache.mina.filter.executor.UnorderedThreadPoolExecutor$Worker.run(UnorderedThreadPoolExecutor.java:434)
> 	at java.lang.Thread.run(Unknown Source)
> Caused by: org.apache.directory.shared.ldap.message.spi.ProviderException: ERR_04065
Ldap encoder failed to encode object:     Search Result Entry
>         entry
> ServerEntry
>     dn[n]: cn=Test 01 User+givenName=Test 01+mail=test01user@test.lan+sn=User,organizationalUnitName=Test,o=Test
Bedrijf, c=NL
>     objectClass: organizationalPerson
>     objectClass: person
>     objectClass: inetOrgPerson
>     objectClass: top
>     sn: User
>     mail: test01user@test.lan
>     givenName: Test 01
>     cn: Test 01 User
>     x500uniqueidentifier: '0011001100111001011001100011010100110011011001100110010001100100001101110011011001100100001100110011001100110111001101000011011000110101001110010110000101100011001100000110011001100011001101000011011100110111011000100011001100110000001110000110000100110111'B
>     businesscategory: Valid
>     userCertificate;binary: '0x30 0x82 0x06 0xD6 0x30 0x82 0x04 0xBE 0xA0 0x03 0x02 0x01
0x02 0x02 0x10 0x39 ...'
> , error : ERR_00004 The PDU buffer size is too small !
> 	at org.apache.directory.shared.ldap.codec.LdapEncoder.encodeBlocking(LdapEncoder.java:139)
> 	at org.apache.directory.shared.ldap.codec.LdapEncoder.encode(LdapEncoder.java:200)
> 	at org.apache.directory.shared.ldap.message.MessageEncoder.encode(MessageEncoder.java:125)
> 	at org.apache.directory.shared.asn1.codec.Asn1CodecEncoder.encode(Asn1CodecEncoder.java:58)
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:298)
> 	... 32 more

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