Freeze tomcat

[jeanchristophe.martin at orange.com]

Hi
We've recurent freeze on our shibboleth instance.

In the thread dump, we've a lot of    java.lang.Thread.State: BLOCKED (on object monitor)

"https-openssl-apr-8443-exec-193" #49381 daemon prio=5 os_prio=0 tid=0x00007f7c3c55b000 nid=0x29a1 waiting for monitor entry [0x00007f7c21928000]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at org.opensaml.storage.ReplayCache.check(ReplayCache.java:132)
        - waiting to lock <0x00000000c8942538> (a org.opensaml.storage.ReplayCache)

Could you help me ?
Thks
BR


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