java.util.ConcurrentModificationException: This exception has no message.

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 Oracle Community by 3004, 1 year ago
This exception has no message.
via Google Groups by laurent, 2 years ago
via GitHub by ItsHarry
, 2 years ago
This exception has no message.
at java.util.HashMap$HashIterator.nextEntry(
at serp.util.LookaheadIterator.setNext(
at com.solarmetric.kodo.runtime.datacache.query.QueryCacheImpl.notifyChangedClasses(
at com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.commit(
at com.solarmetric.kodo.runtime.PersistenceManagerImpl.endTransaction(
at com.solarmetric.kodo.runtime.PersistenceManagerImpl.commit(
at com.ewarna.managers.JDOCallBackExecutor.execute(
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke(
at junit.framework.TestCase.runTest(
at junit.framework.TestCase.runBare(
at junit.framework.TestResult$1.protect(
at junit.framework.TestResult.runProtected(
at junit.framework.TestSuite.runTest(

Users with the same issue

Once, 1 month ago
Once, 2 months ago
Samebug visitor profile picture
Unknown user
Once, 3 months ago
Once, 4 months ago
Samebug visitor profile picture
Unknown user
Once, 11 months ago
28 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.