[jboss-jira] [JBoss JIRA] (JGRP-1967) SASL protocol cannot handle MERGE requests properly

[Tristan Tarrant (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tristan Tarrant reassigned JGRP-1967:
-------------------------------------

    Assignee: Tristan Tarrant  (was: Bela Ban)


> SASL protocol cannot handle MERGE requests properly
> ---------------------------------------------------
>
>                 Key: JGRP-1967
>                 URL: https://issues.jboss.org/browse/JGRP-1967
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.6.6
>            Reporter: Tristan Tarrant
>            Assignee: Tristan Tarrant
>
> The SASL merge authentication fails because the merge leader is asked to merge with itself.
>     3741 [TRACE] SASL: B: received CHALLENGE from A
>     3744 [TRACE] SASL: B: sending RESPONSE to A
>     3744 [TRACE] SASL: A: received RESPONSE from B
>     3745 [TRACE] SASL: A: sending CHALLENGE to B
>     3745 [DEBUG] SASL: Authentication successful for user
>     3746 [TRACE] SASL: B: received CHALLENGE from A
>     3746 [TRACE] SASL: B: authentication complete from A
>     A: [A|1] (2) [A, B]
>     B: [A|1] (2) [A, B]
>     A: [A|10] (1) [A]
>     B: [B|10] (1) [B]
>     3823 [DEBUG] GMS: B: I will be the merge leader. Starting the merge task. Views: {A=[A|10] (1) [A], B=[B|10] (1) [B]}
>     3825 [DEBUG] GMS: B: merge task B::1 started with 2 participants
>     3825 [TRACE] GMS: B: sending MERGE_REQ to [B, A]
>     3826 [TRACE] SASL: B: received CHALLENGE from B
>     3829 [TRACE] GMS: B: queue is suspended; request LEAVE(B, false) is discarded
>     3827 [WARN] SASL: failed to validate CHALLENGE from B, token
>     javax.security.sasl.SaslException: DIGEST-MD5: digest response format violation. Missing username.
>             at com.sun.security.sasl.digest.DigestMD5Server.validateClientResponse(DigestMD5Server.java:417) ~[?:1.7.0_85]
>             at com.sun.security.sasl.digest.DigestMD5Server.evaluateResponse(DigestMD5Server.java:244) ~[?:1.7.0_85]
>             at org.jgroups.auth.sasl.SaslServerContext.nextMessage(SaslServerContext.java:73) ~[classes/:?]
>             at org.jgroups.protocols.SASL.up(SASL.java:239) [classes/:?]
>             at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:234) [classes/:?]
>             at org.jgroups.protocols.UNICAST3.deliverMessage(UNICAST3.java:1064) [classes/:?]
>             at org.jgroups.protocols.UNICAST3.handleDataReceivedFromSelf(UNICAST3.java:810) [classes/:?]
>             at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:424) [classes/:?]
>             at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:652) [classes/:?]
>             at org.jgroups.protocols.MERGE3.up(MERGE3.java:285) [classes/:?]
>             at org.jgroups.protocols.Discovery.up(Discovery.java:295) [classes/:?]
>             at org.jgroups.protocols.TP.passMessageUp(TP.java:1577) [classes/:?]
>             at org.jgroups.protocols.TP$3.run(TP.java:1511) [classes/:?]
>             at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [?:1.7.0_85]
>             at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [?:1.7.0_85]
>             at java.lang.Thread.run(Thread.java:745) [?:1.7.0_85]



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