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 JIRA by Michael Stack, 1 year ago
java.lang.AssertionError: null is null: 146.145.120.3	at org.archive.crawler.frontier.BdbFrontier.put(BdbFrontier.java:374)	at org.archive.crawler.frontier.BdbFrontier.resurrectOneQueueState(BdbFrontier.java:354)	at org.archive.crawler.frontier.BdbFrontier.resurrectQueueState(BdbFrontier.java:329)	at org.archive.crawler.frontier.BdbFrontier.initQueue(BdbFrontier.java:272)	at org.archive.crawler.frontier.WorkQueueFrontier.initialize(WorkQueueFrontier.java:269)	at org.archive.crawler.frontier.BdbFrontier.initialize(BdbFrontier.java:467)	at org.archive.crawler.framework.CrawlController.setupCrawlModules(CrawlController.java:652)	at org.archive.crawler.framework.CrawlController.initialize(CrawlController.java:378)	at org.archive.crawler.admin.CrawlJob.startCrawling(CrawlJob.java:777)	at org.archive.crawler.admin.CrawlJobHandler.startNextJobInternal(CrawlJobHandler.java:1120)	at org.archive.crawler.admin.CrawlJobHandler$2.run(CrawlJobHandler.java:1103)	at java.lang.Thread.run(Thread.java:595)