NullPointerException in DnsRequestWorker #9

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opened 2026-03-04 00:02:41 -05:00 by deekerman · 1 comment

deekerman commented

2026-03-04 00:02:41 -05:00

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Originally created by @ameshkov on GitHub (Jul 27, 2016).

Originally assigned to: @nkartyshov on GitHub.

2016-07-26 12:25:14,389 ERROR server.DnsRequestWorker Error while processing DNS request
java.lang.NullPointerException  at 
java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)      at 
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)       at 
com.adguard.commons.concurrent.LockManager.getOrCreateObjectLock(LockManager.java:23)        
at com.adguard.commons.concurrent.LockManager.acquireExclusiveLock(LockManager.java:69) 
at com.adguard.filter.filters.SafebrowsingFilter.lookupDomain(SafebrowsingFilter.java:113)      at 
com.adguard.filter.filters.SafebrowsingFilter.filterHttpRequest(SafebrowsingFilter.java:82)  at 
com.adguard.dns.server.DnsFilter.isMalware(DnsFilter.java:137)       at 
com.adguard.dns.server.DnsFilter.filter(DnsFilter.java:92)   at 
com.adguard.dns.server.DnsRequestWorker.run(DnsRequestWorker.java:55)        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)      at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)      at 
java.lang.Thread.run(Thread.java:745)

Originally created by @ameshkov on GitHub (Jul 27, 2016). Originally assigned to: @nkartyshov on GitHub. ``` 2016-07-26 12:25:14,389 ERROR server.DnsRequestWorker Error while processing DNS request java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) at com.adguard.commons.concurrent.LockManager.getOrCreateObjectLock(LockManager.java:23) at com.adguard.commons.concurrent.LockManager.acquireExclusiveLock(LockManager.java:69) at com.adguard.filter.filters.SafebrowsingFilter.lookupDomain(SafebrowsingFilter.java:113) at com.adguard.filter.filters.SafebrowsingFilter.filterHttpRequest(SafebrowsingFilter.java:82) at com.adguard.dns.server.DnsFilter.isMalware(DnsFilter.java:137) at com.adguard.dns.server.DnsFilter.filter(DnsFilter.java:92) at com.adguard.dns.server.DnsRequestWorker.run(DnsRequestWorker.java:55) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) ```