On 2/1/2007 we had a problem where many of our web app threads were waiting for org.apache.jcs.engine.memory.lru.LRUMemoryCache.verifyCache , See ThreadDumps below.
Any ideas on why this call would hang up most of our threads? Additionally how could we prevent it? Thanks Jeremy Runnable: daemon prio=5 tid=0x0084f280 nid=0xa9 runnable [7b5ff000..7b6019c0] at org.apache.jcs.engine.memory.lru.LRUMemoryCache.verifyCache(LRUMemoryCache.java:639) at org.apache.jcs.engine.memory.lru.LRUMemoryCache.get(LRUMemoryCache.java:305) - locked < 0x9f89b968> (a org.apache.jcs.engine.memory.lru.LRUMemoryCache) at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:452) at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:413) at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:195) All other threads: daemon prio=5 tid=0x0084fe70 nid=0xaa waiting for monitor entry [7b500000..7b5019c0] at org.apache.jcs.engine.memory.lru.LRUMemoryCache.get(LRUMemoryCache.java) - waiting to lock <0x9f89b968> (a org.apache.jcs.engine.memory.lru.LRUMemoryCache) at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:452) at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:413) at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:195) The information contained in this message and any accompanying attachments may contain privileged, private and/or confidential information protected by state and federal law. Penalties may be assessed for unauthorized use and/or disclosure. This message and any attachments are intended for the designated recipient only. If you have received this information in error, please notify the sender immediately and return or destroy the information. This e-mail transmission and any attachments are believed to have been sent free of any virus or other defect that might affect any computer system into which it is received and opened. It is, however, the recipient's responsibility to ensure that the e-mail transmission and any attachments are virus free, and the sender accepts no responsibility for any damage that may in any way arise from their use. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]