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From "Stefan Seelmann (JIRA)" <j...@apache.org>
Subject [jira] Created: (DIRAPI-30) Sporadic NullPointerException during SASL bind
Date Mon, 20 Sep 2010 19:49:33 GMT
Sporadic NullPointerException during SASL bind
----------------------------------------------

                 Key: DIRAPI-30
                 URL: https://issues.apache.org/jira/browse/DIRAPI-30
             Project: Directory client API
          Issue Type: Bug
    Affects Versions: 0.2.0
            Reporter: Stefan Seelmann
             Fix For: 0.2.0


There is a sporadic NullPointerException in the SaslBindIT tests. First, it didn't occur on
my Mac, but on Linux and Windows CI builds. Now I created a test that binds 1000 times (sequential)
with CRAM-MD5, Digest-MD5 and GSSAPI, and I can reproduce the exception on my Mac.

Most time the exception occurs during a GSSAPI bind, but also sometimes during a Digest-MD5
for Cram-MD5 SASL bind.

Here is the thrown exception:

java.lang.NullPointerException
	at org.apache.directory.ldap.client.api.LdapNetworkConnection.bindSasl(LdapNetworkConnection.java:3534)
	at org.apache.directory.ldap.client.api.LdapNetworkConnection.bindSasl(LdapNetworkConnection.java:3437)
	at org.apache.directory.ldap.client.api.LdapNetworkConnection.bindDigestMd5(LdapNetworkConnection.java:1213)
	at org.apache.directory.ldap.client.api.LdapNetworkConnection.bindDigestMd5(LdapNetworkConnection.java:1239)
	at org.apache.directory.ldap.client.api.LdapNetworkConnection.bindDigestMd5(LdapNetworkConnection.java:1192)
	at org.apache.directory.server.operations.bind.SaslBindIT.testSequentialBinds(SaslBindIT.java:439)


Before the exception is thrown the test hangs for some time. The BindFuture then times out
and returns null. Is that a problem with available resources?


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