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 GitHub by jare19
, 11 months ago
via GitHub by jare19
, 11 months ago
via GitHub by cbdmaul
, 1 year ago
This exception has no message.
via Eclipse Bugzilla by ujhelyiz, 2 years ago
via GitHub by KJ4IPS
, 2 years ago
This exception has no message.
via GitHub by tsegismont
, 2 years ago
This exception has no message.
java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)	at com.google.protobuf.AbstractMessageLite$Builder.checkForNullValues(AbstractMessageLite.java:379)	at com.google.protobuf.AbstractMessageLite$Builder.addAll(AbstractMessageLite.java:366)	at com.google.pubsub.v1.AcknowledgeRequest$Builder.addAllAckIds(AcknowledgeRequest.java:621)	at com.google.pubsub.kafka.source.CloudPubSubSourceTask.ackMessages(CloudPubSubSourceTask.java:202)	at com.google.pubsub.kafka.source.CloudPubSubSourceTask.poll(CloudPubSubSourceTask.java:108)	at org.apache.kafka.connect.runtime.WorkerSourceTask.execute(WorkerSourceTask.java:162)	at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:139)	at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:182)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:748)