Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Vitali Lovich, 7 months ago
via Google Groups by Vitali Lovich, 7 months ago
via JIRA by Yannick Marcon, 2 years ago
via JIRA by Yannick Marcon, 1 year ago
java.util.ConcurrentModificationException: null	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:926)	at java.util.HashMap$KeyIterator.next(HashMap.java:960)	at org.hibernate.cache.redis.AbstractRedisRegionFactory$1.run(AbstractRedisRegionFactory.java:177)	at java.lang.Thread.run(Thread.java:744)