Hi, 

we have embedded Apache Directory V1.5.5 in our software for years. 
With some of our customers an error occurs without it seeming to interfere with 
the operation. 

I dont understand this error.
I have tried to limit the use of PagedResultsControl when this control is not 
necessary without result.

Thanks for your help

Jean-François Melian


2022.01.03 17:50:36.734 [DEBUG] Decoding the PDU :  [cincom-ecm-engine] 
[NioProcessor-3] TwixDecoder.java:117 
2022.01.03 17:50:36.734 [DEBUG] 0x30 0x46 0x02 0x01 0x03 0x42 0x00 0xA0 0x3F 
0x30 0x22 0x04 0x16 0x31 0x2E 0x32 0x2E 0x38 0x34 0x30 0x2E 0x31 0x31 0x33 0x35 
0x35 0x36 0x2E 0x31 0x2E 0x34 0x2E 0x33 0x31 0x39 0x04 0x08 0x30 0x06 0x02 0x02 
0x03 0xE8 0x04 0x00 0x30 0x19 0x04 0x17 0x32 0x2E 0x31 0x36 0x2E 0x38 0x34 0x30 
0x2E 0x31 0x2E 0x31 0x31 0x33 0x37 0x33 0x30 0x2E 0x33 0x2E 0x34 0x2E 0x32  
[cincom-ecm-engine] [NioProcessor-3] TwixDecoder.java:131 
2022.01.03 17:50:36.750 [DEBUG] Decoded LdapMessage : LdapMessage
    message Id : 3
    UnBind Request
    Control
        Control type : '1.2.840.113556.1.4.319'
        Criticality : 'false'
        Control value : '    Paged Search Control
        size   : '1000'
        cookie   : ''
'
    Control
        Control type : '2.16.840.1.113730.3.4.2'
        Criticality : 'false'
 [cincom-ecm-engine] [NioProcessor-3] TwixDecoder.java:138 
2022.01.03 17:50:36.750 [DEBUG] Transforming LdapMessage <3, UNBIND_REQUEST> 
from Twix to Snickers. [cincom-ecm-engine] [NioProcessor-3] 
TwixTransformer.java:835 
2022.01.03 17:50:36.750 [DEBUG] >>>========================================== 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:741 
2022.01.03 17:50:36.750 [DEBUG] --> Decoding a PDU [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:742 
2022.01.03 17:50:36.750 [DEBUG] >>>------------------------------------------ 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:743 
2022.01.03 17:50:36.750 [DEBUG] --- State = TAG_STATE_START --- 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:751 
2022.01.03 17:50:36.750 [DEBUG]   current byte : 0x15 [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:757 
2022.01.03 17:50:36.750 [DEBUG] Tag 0x15 has been decoded [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:123 
2022.01.03 17:50:36.750 [DEBUG] --- State = LENGTH_STATE_START --- 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:751 
2022.01.03 17:50:36.750 [DEBUG]   current byte : 0x03 [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:757 
2022.01.03 17:50:36.750 [DEBUG] --- State = LENGTH_STATE_END --- 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:751 
2022.01.03 17:50:36.750 [DEBUG]   current byte : 0x03 [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:757 
2022.01.03 17:50:36.750 [DEBUG] Parent length : TLV expected length stack :  - 
null [cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:378 
2022.01.03 17:50:36.750 [DEBUG] Root TLV[3] [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:390 
2022.01.03 17:50:36.750 [DEBUG] Length 3 has been decoded [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:497 
2022.01.03 17:50:36.750 [DEBUG] --- State = VALUE_STATE_START --- 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:751 
2022.01.03 17:50:36.750 [DEBUG]   current byte : 0x03 [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:757 
2022.01.03 17:50:36.750 [DEBUG] --- State = TLV_STATE_DONE --- 
[cincom-ecm-engine] [NioProcessor-3] Asn1Decoder.java:751 
2022.01.03 17:50:36.750 [DEBUG]   current byte : 0x00 [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:757 
2022.01.03 17:50:36.750 [DEBUG] TLV Tree : TLV0x15(3) [cincom-ecm-engine] 
[NioProcessor-3] Asn1Decoder.java:160 
2022.01.03 17:50:36.750 [ERROR] Bad transition from state START_STATE, tag 0x15 
[cincom-ecm-engine] [NioProcessor-3] AbstractGrammar.java:139 
2022.01.03 17:50:36.750 [WARN ] Unexpected exception forcing session to close: 
sending disconnect notice to client. [cincom-ecm-engine] [NioProcessor-3] 
LdapProtocolHandler.java:215 
org.apache.mina.filter.codec.ProtocolDecoderException: 
org.apache.directory.shared.ldap.message.ResponseCarryingMessageException: Bad 
transition ! (Hexdump: 15 03 03 00 1A 00 00 00 00 00 00 00 05 D8 60 43 97 10 E1 
BA 7A 87 29 30 40 28 7D 3C F2 60 92 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00)
        at 
org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:235)
        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.filter.ssl.SslHandler.flushScheduledEvents(SslHandler.java:278)
        at 
org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:444)
        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.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
        at 
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
        at 
org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
        at 
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: 
org.apache.directory.shared.ldap.message.ResponseCarryingMessageException: Bad 
transition !
        at 
org.apache.directory.shared.ldap.message.MessageDecoder.decode(MessageDecoder.java:175)
        at 
org.apache.directory.shared.asn1.codec.Asn1CodecDecoder.decode(Asn1CodecDecoder.java:53)
        at 
org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:225)
        ... 20 common frames omitted
2022.01.03 17:50:36.750 [DEBUG] Transforming message type EXTENDED_RESP 
[cincom-ecm-engine] [NioProcessor-3] TwixTransformer.java:1415 
2022.01.03 17:50:36.750 [DEBUG] Transformed message : LdapMessage
    message Id : 0
    Extended Response
        Ldap Result
            Result code : (PROTOCOL_ERROR) protocolError
            Matched DN : ''
            Error message : 'PROTOCOL_ERROR: The server will disconnect!'
        Response name :'1.3.6.1.4.1.1466.20036'
        Response :'[B@77d31cfc'
 [cincom-ecm-engine] [NioProcessor-3] TwixTransformer.java:1478 
2022.01.03 17:50:36.750 [DEBUG] Encoding this LdapMessage : LdapMessage
    message Id : 0
    Extended Response
        Ldap Result
            Result code : (PROTOCOL_ERROR) protocolError
            Matched DN : ''
            Error message : 'PROTOCOL_ERROR: The server will disconnect!'
        Response name :'1.3.6.1.4.1.1466.20036'
        Response :'[B@77d31cfc'
 [cincom-ecm-engine] [NioProcessor-3] TwixEncoder.java:122 

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