deadlock on re-registration of logger
-------------------------------------
Key: LOGGING-119
URL: https://issues.apache.org/jira/browse/LOGGING-119
Project: Commons Logging
Issue Type: Bug
Affects Versions: 1.1.1
Environment: Java 1.5, Windows
Reporter: Nitzan Niv
Reached a deadlock inside common-logging while concurrently re-deploying 2 WARs.
In each WAR there is an attempt to get a logger:
private final Log logger = LogFactory.getLog(ContextLoader.class);
Thread dump:
[deadlocked thread] Thread-96:
-----------------------------
Thread 'Thread-96' is waiting to acquire lock '[EMAIL PROTECTED]' that is held
by thread 'Thread-102'
Stack trace:
------------
org.apache.commons.logging.impl.WeakHashtable.purge(WeakHashtable.java:323)
org.apache.commons.logging.impl.WeakHashtable.rehash(WeakHashtable.java:312)
java.util.Hashtable.put(Hashtable.java:414)
org.apache.commons.logging.impl.WeakHashtable.put(WeakHashtable.java:242)
org.apache.commons.logging.LogFactory.cacheFactory(LogFactory.java:1004)
org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:657)
org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685)
org.springframework.web.context.ContextLoader.<init>(ContextLoader.java:145)
[deadlocked thread] Thread-102:
------------------------------
Thread 'Thread-102' is waiting to acquire lock 'org.apache.commons.logging.impl.
[EMAIL PROTECTED]' that is held by thread 'Thread-96'
Stack trace:
------------
java.util.Hashtable.remove(Hashtable.java:437)
org.apache.commons.logging.impl.WeakHashtable.purgeOne(WeakHashtable.java:338)
org.apache.commons.logging.impl.WeakHashtable.put(WeakHashtable.java:238)
org.apache.commons.logging.LogFactory.cacheFactory(LogFactory.java:1004)
org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:657)
org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685)
org.springframework.web.context.ContextLoader.<init>(ContextLoader.java:145)
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